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Epson S1F77B01 Technical Manual

Power supply ic.
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Power Supply IC
S1F77B01
Technical Manual
SEIKO EPSON CORPORATION
Rev.1.3

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   Summary of Contents for Epson S1F77B01

  • Page 1

    Power Supply IC S1F77B01 Technical Manual SEIKO EPSON CORPORATION Rev.1.3...

  • Page 2

    Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice. 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 representation that this material is applicable to products requiring high level reliability, such as, medical products.

  • Page 3

    Configuration of product number DEVICES 77B01 0C00 Packing specifications Specifications Shape (B:WCSP, Y:SOT) Model number Model name (F : Power Supply) Product classification (S1:Semiconductors)

  • Page 4: Table Of Contents

    11. ABSOLUTE MAXIMUM RATINGS ... 6 12. TIMING CHARTS AND RECOMMENDED CIRCUIT DIAGRAMS... 7 13. ELECTRICAL CHARACTERISTICS, DELAY CIRCUIT BUILT-IN PRODUCTS... 8 14. CHARACTERISTIC MEASURING CIRCUITS ... 9 15. DIMENSIONS... 12 16. CHARACTERISTIC EXAMPLE ...14 S1F77B01 Technical Manual (Rev.1.3) EPSON...

  • Page 5: Description, Features, Package, Application

    1. DESCRIPTION The S1F77B01 is a CMOS detector that runs at superlow consumption current 350nA (Typ.). The detecting voltage can be selected in the range from 1.5V to 4.6V which is set to high accuracy ±2.0% in 0.1V steps. The power voltage is allowable in the range of low voltage 0.9 to 5.5V.

  • Page 6: Block Diagram

    5. BLOCK DIAGRAM 5. BLOCK DIAGRAM CMOS output Nch open drain output Note: SOT23 package product only; otherwise, a product with DS pin set to NC The DS pin must be fixed to “LOW” outside the IC. S1F77B01 Technical Manual (Rev.1.3) EPSON...

  • Page 7: Selection Guide, Pin Assignment

    6. SELECTION GUIDE S1F77B01 * * * * 0 * * For CMOS output, delay 50ms For CMOS output, delay 100ms For CMOS output, delay 200ms For Nch open drain output, delay 50ms For Nch open drain output, delay 100ms For Nch open drain output, delay 200ms 7.

  • Page 8: Marking

    3.7V 3.8V 3.9V 4.0V 4.1V 4.2V 4.3V 4.4V 4.5V 4.6V : Product code : Lot code Delay time 50ms Delay time 100ms Delay time 200ms EPSON WCSP 4PIN Top View : Product code : Lot code S1F77B01 Technical Manual (Rev.1.3)

  • Page 9

    3.8V 3.9V 4.0V 4.1V 4.2V 4.3V 4.4V 4.5V 4.6V S1F77B01 Technical Manual (Rev.1.3) : Product code : Lot code Delay time 50ms Delay time 100ms Delay time 200ms EPSON 9. MARKING WCSP 4PIN Top View : Product code : Lot code...

  • Page 10: Pin Description, Absolute Maximum Ratings

    Note: To stabilize the IC, insert the decoupling capacitor between V Function Function =25°C RL=∞ unless otherwise specified) Symbol Rating -0.3V to 7.0 -0.3V to V SOT23 WCSP -40 to +85 -40 to +125 and V S1F77B01 Technical Manual (Rev.1.3) EPSON Unit +0.3V °C °C...

  • Page 11: Timing Charts And Recommended Circuit Diagrams

    Release voltage Power Detecting voltage voltage Min. operating voltage Output voltage Nch open drain Release voltage Power Detecting voltage voltage Min. operating voltage Output voltage S1F77B01 Technical Manual (Rev.1.3) Hysteresis width Hysteresis width EPSON Recommended circuit diagram Recommended circuit diagram 470kΩ...

  • Page 12: Electrical Characteristics, Delay Circuit Built-in Products

    DET- -*0.03 -*0.05 42.5 57.5 ±100 =25°C RL=∞ unless otherwise specified) Min. Typ. Max. (S)×0.98 (S)×1.02 DET- DET- DET- DET- DET- DET- *0.03 *0.05 42.5 57.5 ±100 S1F77B01 Technical Manual (Rev.1.3) Unit -*0.07 µs ppm/°C Unit *0.07 µA µs ppm/°C...

  • Page 13: Characteristic Measuring Circuits

    14. CHARACTERISTIC MEASURING CIRCUITS -, V S1F77B01 Technical Manual (Rev.1.3) 14. CHARACTERISTIC MEASURING CIRCUITS 470kΩ Fig.1 Fig.2 EPSON Note: No pull-up resistor for CMOS output A: When fixed to DS=”LOW” B: When fixed to DS=”HIGH” , DS...

  • Page 14

    14. CHARACTERISTIC MEASURING CIRCUITS Nch, I LEAK , DS Fig.3 , DS Fig.4 EPSON S1F77B01 Technical Manual (Rev.1.3)

  • Page 15

    0.9V → (V applied to V , to a time when the output voltage reaches V The output pin is pulled up with 470kΩ resistance and V S1F77B01 Technical Manual (Rev.1.3) 14. CHARACTERISTIC MEASURING CIRCUITS -×1.05 (Typ.) power for measurement.

  • Page 16: Dimensions

    15. DIMENSIONS 15. DIMENSIONS ・SOT23 5PIN 5PIN 4PIN 1PIN 3PIN Symbol AMax. Dimention In Millmeters Min. Nom. 0.95 EPSON θ θ θ 2.40 1.00 θ 0.95 0.80 Max. 1.40 0.15 0.26 1 = 1mm S1F77B01 Technical Manual (Rev.1.3)

  • Page 17

    ・WCSP 4PIN Top View INDEX A1 CORNER Bottom View S1F77B01 Technical Manual (Rev.1.3) Symbol A1 CORNER EPSON 15. DIMENSIONS [Unit: mm] Dimention In Millmeters Min. Nom. Max. 0.82 0.92 1.02 0.82 0.92 1.02 0.67 0.18 0.21 0.24 0.40 0.50 0.50 0.71...

  • Page 18: Characteristic Example

    16. CHARACTERISTIC EXAMPLE 16. CHARACTERISTIC EXAMPLE (1) Detecting voltage S1F77B01Y27000R S1F77B01Y27000R S1F77B01Y27000R VDD[V] (3) Hysteresis width S1F77B01Y27000R S1F77B01Y27000R VDD[V] (4) Consumption current S1F77B01Y15000R S1F77B01Y15000R VDD [V] (2) Release voltage EPSON S1F77B01Y27000R S1F77B01Y27000R VDD[V] S1F77B01Y27000R S1F77B01Y27000R VDD [V] S1F77B01 Technical Manual (Rev.1.3)

  • Page 19

    (9) Characteristics between detecting voltage and ambient temperature S1F77B01M15000R S1F77B01M15000R 1.550 1.530 1.510 1.490 1.470 1.450 温度 Temperature[℃] Temperature[°C] =25°C unless otherwise specified S1F77B01 Technical Manual (Rev.1.3) (6) Pch output current V (8) Response time EPSON 16. CHARACTERISTIC EXAMPLE =0.5V (CMOS) S1F77B01Y27000R S1F77B01Y27000R 20.00 18.00 16.00 14.00 12.00...

  • Page 20

    EPSON Electronic Technology Development (Shenzhen) LTD. 12/F, Dawning Mansion, Keji South 12th Road, Hi- Tech Park, Shenzhen Phone: +86-755-2699-3828 FAX: +86-755-2699-3838 EPSON TAIWAN TECHNOLOGY & TRADING LTD. 14F, No. 7, Song Ren Road, Taipei 110 Phone: +886-2-8786-6688 FAX: +886-2-8786-6677 EPSON SINGAPORE PTE., LTD.

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