Epson Power Supply IC S1F70000 Technical Manual

Text of Epson Power Supply IC S1F70000 User Guide:

• Epson Power Supply IC S1F70000, 6–2EPSONS1F70000 Series Technical Manual Appendix Symbol Parameter I OPR2 Stabilization circuit power dissipation I Q Quiescent current I R Reverse current I SWQ Switching transistor leakage current K I Output voltage temperature gradient P D Power dissipation P eff Voltage multiplication efficiency R BSON Backup switch ON resistance R L Load resistance R O Output impedance R ON ON resistance R OSC Oscillator network resistor R RV Stabilization voltage sensing resistor R RVn Reference voltage R SAT Stabilization output saturation resistance R SWON Switching transistor ON resistance T

• Epson Power Supply IC S1F70000, S1F76300 Series S1F70000 Series EPSON 4–15 Technical Manual S1F76300 Series Output voltage response compensation The S1F76380 series are provided with a response com- pensation input. A response compensation capacitor is connected between V CONT and VO, allowing the ripple voltage generated by the boosted output voltage to be suppressed to a minimum. Standby mode and battery backup The S1F76310 series are equipped with a standby mode, initiated by connecting PS to GND. TYPICAL APPLICATIONS Example Circuits The output current, IO, and power conversion effi- ciency

• S1F78100Y Series S1F70000 Series EPSON 3–1 Technical Manual S1F78100Y Series DESCRIPTION SCI78100Y Series is a fixed type positive voltage regu- lator developed by using the CMOS silicon gate process and is composed of a low current consumption refer- ence voltage circuit, a differential amplifier, an output control transistor and a voltage setting resistor. The output voltage is fixed in

• Epson Power Supply IC S1F70000, 6–6EPSONS1F70000 Series Technical Manual Appendix TAPING INFORMATION The emboss carrier taping standard is shown in the following table and figure. This standard conforms to Dimension code Dimensions/angles (mm/°) A 5.0 B 4.6 D 1.5 +0.1, –0.05 E 1.50 ±0.1 F 5.65 ±0.05 P1 8.0 ±0.1 P0 4.0 ±0.1 Dimension code Dimensions/angles (mm/°) P2 2.0 ±0.05 T 0.3 T2 2.3 W 12.0 ±0.2 W1 9.5 θ 30°Max. There are no joints in either the cover or carrier tapes. Less than 0.2% of the total device count is comprised of non-sequential blanks. There are no sequential blanks. This does not apply to the tape leader and trailer. Note The tape thickness is 0.1 mm Max. the EIAJ RCI00B electronic par

• S1F71200 Series 4–50 EPSON S1F70000 Series Technical Manual S1F71200M0B0 (Output : 3.3V) DC Characteristics Unless otherwise specified, Ta = 25°C. Min. 2.5 — — — 3.15 — — — — — –0.6 1.0 — — 0.8VDD1 — Max. 12.0 12.0 — — 3.45 250 30 200 40 1.0 — — — — — 0.2VDD1 Typ. — — 4.3 3.8 3.3 150 15 100 20 — 50 50 — — Rating Parameter Input su

• Epson Power Supply IC S1F70000, S1F76610 Series S1F70000 Series EPSON 2–9 Technical Manual S1F76610 Series 1 10 100 1000 f OSC [kHz] 100 90 80 70 60 50 Peff [%] I O = 0.5mA I O = 1.0mA I O = 2.0mA I O = 4.0mA Ta = 25°C V I = – 3.0V V O = –15V –7.850 –7.900 –7.950 –8.000 0.0001 0.0010 0.0100 0.1000 Ta = 25°C V REG [V] I O [V] (13) Multiplication efficiency vs. Clock frequency (14) Output voltage vs. Output current –5.850 –5.900 –5.950 –6.000 0.0001 0.0010 0.0100 0.1000 V REG [V] I O [V] V O = –9V Ta = 25°C –2.850 –2.900 –2.950 –3.000 V REG [V] 0.0001 0.0010 0.0100 0.100

• Epson Power Supply IC S1F70000, S1F77200Y Series 5–8EPSONS1F70000 Series Technical Manual S1F77210Y1F0 (Ta = –30°C to +85°C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage VDD 1.50 — 12.0 V Detection voltage VDET Ta = 25°C 2.60 2.65 2.70 V Hysteresis width VHYS VHYS = VREL – VDET 0.05 0.10 0.15 V Operating current IDD VDD = 3.0V — 2.00 5.00 µA Detection voltage ∆VDET –300 –100 +100 ppm/°C temperature characteristics V DET High level output current IOH VDD = 3.0V — –1.00 –0.25 mA OUT = 2.7V Low level output current IOL VDD = 2.0V 0.20 1.00 — mA

• Epson Power Supply IC S1F70000, S1F76620 Series S1F70000 Series EPSON 1–19 Technical Manual S1F76620 Series (9) Step-up power conversion efficiency vs. Output current 1 Input current vs. Output current 1 (11) Step-up power conversion efficiency vs. Output current 3 Input current vs. Output current 3 . (12) Step-up power conversion efficiency vs. Oscillation frequency 1 100 90 80 70 60 50 40 30 20 10 0 100 90 80 70 60 50 40 30 20 10 0 0 5 10 15 20 I O [mA] Peff[%] I DD[mA] Ta=25°C V DD=3V C1=C2=10µF 100 90 80 70 60 50 40 30 20 10 0 150 120 90 60 30 0 0 102030 I O [mA] Peff[%] I DD[mA] Ta=25°C V DD=5V C1=C2=10µF 100 90 80 70 60 50 40 30 2

• Epson Power Supply IC S1F70000, S1F76620 Series S1F70000 Series EPSON 1–17 Technical Manual S1F76620 Series Characteristics Graph (1) Oscillation frequency vs. External resistance for oscillation (2) Oscillation frequency vs. Temperature (3) Step-up circuit current consumption vs. Input current (4) Output voltage (V O) vs. Output current 1 –40 –20 0 20 40 60 80 100 30 28 26 24 22 20 18 16 14 12 10 f OSC [kHz] Ta[°C] V DD =5V V DD =2V V DD =3V 10 100 1000 10000 Ta=25°C V DD =5V V DD =3V V DD =2V R OSC [kΩ] f OSC [kHz] 1000 100 10 1 0 5 10 15 20 25 30 10 9 8 7 6 5 4 3 2 1 0 V O [V] I O [mA] Ta=25°C V DD =5V C 1 =C 2 =10µF 012345

• Epson Power Supply IC S1F70000, S1F70000 SeriesEPSON5–13 Technical Manual S1F77200Y Series S1F77200Y Series S1F77210Y1L0 (Ta = –30°C to +85°C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage VDD 1.50 — 12.0 V Detection voltage VDET Ta = 25°C 4.90 5.00 5.10 V Hysteresis width VHYS VHYS = VREL – VDET 0.13 0.20 0.27 V Operating current IDD VDD = 6.0V — 2.00 5.00 µA Detection voltage ∆VDET –300 –100 +100 ppm/°C temperature characteristics V DET High level output current IOH VDD = 6.0V — –2.40 –0.60 mA OUT

• Epson Power Supply IC S1F70000, Contents S1F70000 Series EPSON i Technical Manual Introduction .......................................................................................................................................................................... 1 Selection Guide.................................................................................................................................................................... 2 1. DC/DC Converter S1F76600 Series DESCRIPTION .......................................................................................................................................................... 1–1 FEATURES ....................................................

• Epson Power Supply IC S1F70000, S1F70000 SeriesEPSON 6–7 Technical Manual Appendix Appendix Dimension code Dimensions (mm) A 178 ±2.0 B 80 ±1.0 C 13.0 ±0.5 D 21.0 ±1.0 E 2.0 ±0.5 W 14.0 (See note.) W1 1.5 ±0.1 W2 17 (See note.) r 1.0 REEL SPECIFICATIONS The reel specifications are shown in the following table and figure. The reel is made of paperboard. Note W and W2 are measured at the reel core. DEVICE POSITIONING Small molded power IC devices are positioned as shown in the following figure. 120˚ 120˚ E C D r W W 1 W 2 BA T

• Epson Power Supply IC S1F70000, S1F76540 Series S1F70000 Series EPSON 2–21 Technical Manual S1F76540 Series Parameter Symbol Characteristics Min. Typ. Max. Unit Regulated output load V RI = –20 V, VREG = –15 V, variation ∆V O (*3) Ta = 25°C setup 30 50 mV 0 < I REG < 20 mA VREF0 TC1 = VDD, TC2 = VDD –1.55 –1.50 –1.45 V Reference voltage V REF1 TC1 = VDD, TC2 = VI –1.70 –1.50 –1.30 V (Ta = 25°C) V REF2 TC1 = VI, TC2 = VDD –1.90 –1.50 –1.10 V VREF3 TC1 = VI, TC2 = VI –2.15 –1.50 –0.85 V Referen

• Epson Power Supply IC S1F70000, S1F76620 Series 1–12 EPSON S1F70000 Series Technical Manual Pad Center Coordinates (S1F76620D0A0) Chip External Shape Y X + (0,0) 2.60mm 2.30mm Pad Assignment Pad aperture : 100µm × 100µm Chip thickness : 400µm Note Do not bond the NC pad. Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Pad name (NC) (NC) POFF (NC) (NC) (NC) GND (VSS) OSC1 OSC2 VDD CAP1– CAP1+ (NC) VO (NC) (NC) (NC) Pad center coordinates X ( µm) –984 984 Pad center coordinates Y ( µm) 1096 788 580 390 96 –218 –510 –802 –1094 –1134 –892 –514 182 372 750 942 1134 Description — — Input pin for power off control — —

• Epson Power Supply IC S1F70000, S1F76610 Series 2–6 EPSON S1F70000 Series Technical Manual Typical Performance Characteristics 1000 100 10 1 10 100 1000 10000 R OSC [kΩ] f OSC [kHz] V I = –5V V I = –3V V I = –2V Ta = 25°C 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 –40 –20 0 20 40 60 80 100 Ta [°C] f OSC [kHz] V I = –5.0V V I = –3.0V V I = –2.0V (1) Clock frequency vs. External resistance (2) Clock frequency vs. Ambient temperature 150 100 50 0 –7 –6 –5 –4 –3 –2 –1 0 V I [V] IOPR [µA] fOSC = 40kHz fOSC = 20kHz f OSC = 10kHz Ta = 25°C 0 –5 –10 –15 0 10203040

• Epson Power Supply IC S1F70000, NOTICE No part of this material may be reproduced or duplicated in any from or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notics. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circuit and, further, there is no repersesnation that this material is applicable to products requiring high level reliability, such as, medical products. Moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty

• Epson Power Supply IC S1F70000, S1F76300 Series S1F70000 Series EPSON 4–33 Technical Manual S1F76300 Series Output voltage adjustment To ensure stable output, any circuit that adjusts the out- put voltage must contain C1, R A and RB. To stop switching current from affecting V O, the circuit must also satisfy the condition I O < IR. The following figure summarizes the relevant circuits inside an S1F70000 series chip. V O is connected to the level shift and buffer circuit, which provide the gate bias for the switching transistor driving the inductor. The current drain I O1, varies with the load and is typically 10µA. The current, I O2, through the internal resis

• Epson Power Supply IC S1F70000, S1F76540 Series S1F70000 Series EPSON 2–37 Technical Manual S1F76540 Series ◊ Setup conditions of Figure 2.16 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON • Thermistor resistor : RT ◊ Power-off procedure • Set the P OFF1 pin to low (VI) to turn off all circuits. ◊ Regulator temperature coefficient • For the regulator setup and notes, see the “voltage regulator circuit” section of the function. • The thermistor resistor (RT) has the non-linear temperature characteristics. To correct them to the linear char- a

• Epson Power Supply IC S1F70000, S1F76540 Series 2–34 EPSON S1F70000 Series Technical Manual ◊ Setup conditions of Figure 2.12 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON (if C T = –0.04%/°C) ◊ Power-off procedure • Set the P OFF1 pin to low (VI) to turn off all circuits. ◊ Output voltages • When diodes are used for voltage boosting, the characteristics of diodes directly affect on the voltage boosting characteristics. The forward voltage drop (V F) of diodes can reduce the booster output voltage. As the example of Figure 2.12 uses two diodes, the drop of “V F” voltage multiplied by two

• S1F76600 Series 1–6 EPSON S1F70000 Series Technical Manual 100 90 80 70 60 50 40 30 20 10 0 1 10 100 1000 Peff [%] fOSC [kHz] I O = 2mA I O = 5mA I O = 10mA I O = 20mA I O = 30mA V I = –5.0V 100 90 80 70 60 50 40 30 20 10 0 1 10 100 1000 Peff [%] f OSC [kHz] I O = 0.5mA I O = 1.0mA I O = 2.0mA I O = 4.0mA V I = –3.0V (9) Multiplication efficiency vs. (10) Multiplication ef

• Epson Power Supply IC S1F70000, S1F71100 Series S1F70000 Series EPSON 4–37 Technical Manual S1F71100 Series Power Off Function S1F71100 can control circuit operations according to external signal control. When the POFFX pin is con- nected to the V SS level, all circuits stop their operations and their powers are turned off. The current consump- tion at the power off state is less than 1µA. When the power is off, the SWO pin is at the V DD level and turns off the voltage transistor. The voltage at the SSCAP pin ABSOLUTE MAXIMUM RATINGS Parameter Symbol Applicable Pin Rated Value Unit Input voltage VDD VDD 15.0 V Voltage at VO pin VO VO VSS–0.3 to VDD+0.3 V V

• Epson Power Supply IC S1F70000, S1F76300 Series 4–6 EPSON S1F70000 Series Technical Manual S1F76310M1K0 VSS = 0V, Ta = 25 ˚C unless otherwise noted Parameter Symbol Condition Rating Unit Min. Typ. Max. Input voltage V I1 VO > VI2 0.9 — 2.0 V VI2 0.9 — 2.0 V Output voltage VO Vl1 = 1.5V 3.40 3.50 3.60 V Detection voltage VDET 1.00 1.05 1.10 V Detection voltage hysteresis ratio ∆VDET —5—% Operating current IDDO VI1 = 1.5V, IO = 1.0mA — 8 40 µA Standby current IDDS VI1 = 1.5V — 3 10 µA Switching transistor ON resistance R SWON VI1 = 1.5V, VO = 3.5V, —612Ω VSW = 0.2V Switching transistor leakage current I SWQ VI1

• Epson Power Supply IC S1F70000, S1F76640 Series 2–44 EPSON S1F70000 Series Technical Manual Note 1 : At the 3 times step-up time, 2 times step-up output (–10V) cannot be taken out from the CAP2– pin. Note 2 : At the 4 times step-up time, 2 times step-up output (–10V) cannot be taken out from the CAP2– pin. Note 3 : At the 4 times step-up time, 3 times step-up output (–15V) cannot be taken out from the CAP3– pin. Reference Voltage Generator, Voltage Stabilization Circuit The reference voltage generator generates reference voltage necessary for operation of the voltage stabilization circuit and adds temperature gradient to reference voltage. Three temp

• S1F78100Y Series S1F70000 Series EPSON 3–7 Technical Manual S1F78100Y Series S1F78100Y2M0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (VSS=0.0V) Min. Typ. Max. Unit Input voltage VI — ——15 V Output voltage VO VDD=6.0V, IO=–10mA 4.40 4.50 4.60 V Ta=25˚C Current consumption IOPR VDD=4.5V to 15.0V, No l

• Epson Power Supply IC S1F70000, Selection Guide S1F70000 Series EPSON 3 Technical Manual Product Features Package • 3.00V positive output voltage regulator. S1F78100Y2D0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin • Input voltage stability (Typ. 0.1%/V). • 2.80V positive output voltage regulator. S1F78100Y2R0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin • Input voltage stability (Typ. 0.1%/V). • 2.60V positive output voltage regulator. S1F78100Y2L0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin • Input voltage stability (Typ. 0.1%/V). • 2.20V positive output voltage regulator. S1F78100Y2F0 • Low operatin

• Epson Power Supply IC S1F70000, S1F76620 Series 1–14 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings (Ta = –40 to +85°C) Note 1 Under the conditions exceeding the above absolute maximum ratings, the IC may result in a permanent destruction. An operation for a long period under the conditions of the above absolute maximum ratings may deteriorate the reliability remarkably. Note 2 All voltage values are based on GND being 0V. Max. 10.0 VDD + 0.5 20 VDD + 0.5 VO + 0.5 300 150 85 150 Min. –0.5 –0.5 — –0.5 –0.5 — –40 –65 Parameter Input supply voltage Input pin voltage Output voltage Output

• S1F77200Y Series 5–10EPSONS1F70000 Series Technical Manual S1F77210Y130 (Ta = –30°C to +85°C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage VDD 1.50 — 12.0 V Detection voltage VDET Ta = 25°C 3.43 3.50 3.57 V Hysteresis width VHYS VHYS = VREL – VDET 0.09 0.15 0.21 V Operati

• S1F76610 Series S1F70000 Series EPSON 2–3 Technical Manual S1F76610 Series SPECIFICATIONS Absolute Maximum Ratings Notes 1. Using the IC under conditions exceeding the aforementioned absolute maximum ratings may lead to permanent destruction of the IC. Also, if an IC is operated at the absolute maximum ratings for a longer period of time, its functional reliability may be substantially deterior

• Epson Power Supply IC S1F70000, S1F70000 SeriesEPSON 5–5 Technical Manual S1F77200Y Series S1F77200Y Series The following figures show the input and output characteristics of the S1F77200Y series. [S1F772 * 0Y1 * 0 Type] S1F772 * 0Y2 * 0 Type Note: The above input/output characteristics assumes that the pull up resistor is connected to the output pin for the S1F77200Y series. For the S1F77220 series, it assumes that the pull down resistor is connected between the OUT and VDD pins. If the input voltage that is applied between V DD and VSS terminals drops below the lower limit of voltage for IC operation, the out

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