S1F81100D0E1000 datasheet, PDF

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S1F81100D0E1000: Description1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, UUC74, DIE-74; CategoryPower/power management The power supply circuit; File Size1MB，80 Pages; ManufacturerSeiko Epson Corporation

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S1F81100D0E1000 Overview

1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, UUC74, DIE-74

S1F81100D0E1000 Parametric

Parameter Name	Attribute value
Maker	Seiko Epson Corporation
Parts packaging code	DIE
package instruction	DIE,
Contacts	74
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	ALSO CONTAINS THREE SERIES REGULATOR
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	5.5 V
Minimum input voltage	3.3 V
Nominal input voltage	4 V
JESD-30 code	R-XUUC-N74
Number of functions	3
Number of terminals	74
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	1 A
Package body material	UNSPECIFIED
encapsulated code	DIE
Package shape	RECTANGULAR
Package form	UNCASED CHIP
Certification status	Not Qualified
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	1200 kHz
Temperature level	INDUSTRIAL
Terminal form	NO LEAD
Terminal location	UPPER
Base Number Matches	1

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MF1521-03

Power Supply IC

S1F81100

Technical Manual

CONTENTS

1. DESCRIPTION.................................................................................................................................... 1

1.1 Features ..................................................................................................................................... 1

1.2 Block Diagram............................................................................................................................ 2

1.3 Package Dimensions and Pin Assignment................................................................................ 4

1.4 Pin Descriptions ......................................................................................................................... 6

1.5 Mask Options ............................................................................................................................. 8

2. INPUT VOLTAGE AND INITIAL RESET............................................................................................ 9

2.1 Input Voltage .............................................................................................................................. 9

2.1.1 Main Battery <V

>....................................................................................................... 9

2.1.2 Sub-Battery <V

BAK

> ..................................................................................................... 9

2.1.3 Constant Voltage for Internal Circuits <V

> ............................................................... 9

2.1.4 Reference Voltage for Internal Circuits <V

REF

>......................................................... 10

2.1.5 Voltage for External Interface Pins <BATT_V

>...................................................... 10

2.2 Initial Reset............................................................................................................................... 12

2.2.1 Reset Input Pin <XRST>............................................................................................ 12

2.2.2 Reset Output Pin <nRESET> .................................................................................... 12

2.3 Test Pin <XTEST0>.................................................................................................................. 12

3. REGULATOR AND OPERATION .................................................................................................... 13

3.1 CH-1 (V

CC1

) Output Voltage..................................................................................................... 14

3.1.1 Main Regulator (PWM Controller).............................................................................. 14

3.1.2 Sub-Regulator (Backup Regulator)............................................................................ 14

3.1.3 Light-Load Mode Function ......................................................................................... 15

3.1.4 Soft Start Function ..................................................................................................... 16

3.1.5 Output Voltage Setting Function ................................................................................ 16

3.1.6 Power OFF Function .................................................................................................. 19

3.1.7 Power Good Function ................................................................................................ 20

3.1.8 CH-1 (V

CC1

) Mask Options of Output Voltage ........................................................... 20

3.1.9 CH-1 (V

CC1

) Output Voltage Proof Function.............................................................. 20

3.2 CH-2 (V

CC2

) Output Voltage..................................................................................................... 21

3.2.1 Main Regulator (PWM Controller).............................................................................. 21

3.2.2 Sub-Regulator (Backup Regulator)............................................................................ 21

3.2.3 Light-Load Mode Function ......................................................................................... 22

3.2.4 Soft Start Function ..................................................................................................... 23

3.2.5 Short-Circuit Proof Function....................................................................................... 23

3.2.6 Power OFF Function .................................................................................................. 23

3.2.7 Power Good Function ................................................................................................ 24

3.2.8 CH-2 (V

CC2

) Mask Options Concerning Output Voltage............................................ 24

3.3 CH-3 (V

CC3

) Output Voltage..................................................................................................... 25

3.3.1 Main Regulator (PWM Controller).............................................................................. 25

3.3.2 Sub-Regulator (Backup Regulator)............................................................................ 25

3.3.3 Light-Load Mode Function ......................................................................................... 26

3.3.4 Soft Start Function ..................................................................................................... 27

3.3.5 Short-Circuit Proof Function....................................................................................... 27

3.3.6 Power OFF Function .................................................................................................. 27

3.3.7 Power Good Function ................................................................................................ 28

3.3.8 CH-3 (V

CC3

) Mask Options Concerning Output Voltage............................................ 28

Rev.1.4

EPSON

3.4

3.5

CH-4 (V

CC4

) Output Voltage..................................................................................................... 29

3.4.1 Main Regulator (Series Regulator) ............................................................................ 29

3.4.2 Power OFF Function .................................................................................................. 29

Output Timing of Regulator on Initial Startup........................................................................... 30

4. OPERATION MODES....................................................................................................................... 31

4.1 Description of Each Operation Mode....................................................................................... 31

4.2 Sleep Mode .............................................................................................................................. 31

4.2.1 Transitioning to and Canceling the Sleep Mode ........................................................ 31

4.2.2 Transitioning to and Canceling the Sleep Mode When CH-1 Voltage Change

is Made ....................................................................................................................... 32

4.2.3 Transitioning to and Canceling the Sleep Mode When CH-1 Voltage Change

is not Made................................................................................................................. 33

4.2.4 Mask Options Associated with the Sleep Mode ........................................................ 34

4.3 Deep Sleep Mode .................................................................................................................... 36

4.3.1 Transitioning to and Canceling the Deep Sleep Mode .............................................. 36

4.3.2 Mask Options Associated with the Deep Sleep Mode............................................... 37

4.4 Ultra-Power-Saving Mode........................................................................................................ 38

5. I

C CONTROLLER ........................................................................................................................... 39

5.1 Description ............................................................................................................................... 39

5.1.1 Basic Specifications ................................................................................................... 39

5.1.2 Start and Stop Conditions .......................................................................................... 39

5.1.3 Data Transfer (command format)............................................................................... 40

5.1.4 Behavior During Malfunction Conditions.................................................................... 41

5.2 Control Address & Control Data List........................................................................................ 42

6. AUXILIARY FUNCTIONS AND OPERATIONS............................................................................... 46

6.1 Oscillator Circuit/Clock Selecting Function .............................................................................. 46

6.2 Output Voltage Determining Function...................................................................................... 47

6.3 Input Voltage Determining Function.........................................................................................48

6.4 General-Purpose I/O Ports ...................................................................................................... 49

6.4.1 Description ................................................................................................................. 49

6.4.2 Mask Options Associated with the General-Purpose I/O Ports................................. 50

7. BASIC EXTERNAL CONNECTION DIAGRAMS ............................................................................ 51

8. ELECTRICAL CHARACTERISTICS ............................................................................................... 53

9. PACKAGE ........................................................................................................................................ 66

10. PAD LAYOUT ................................................................................................................................... 68

11. TERMINAL EQUIVALENT CIRCUIT................................................................................................ 70

APPENDIX SELECTION OF PWM CONTROLLER’S EXTERNAL COMPONENTS ........................ 72

EPSON

Rev.1.4

S1F81100D0E1000 Related Products

	S1F81100D0E1000	S1F81100F0F0000	S1F81100D0F0000	S1F81100F5E1000	S1F81100F0E1000	S1F81100F5F0000
Description	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, UUC74, DIE-74	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, PQFP48, QFP-48	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, UUC74, DIE-74	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, QCC48, QFN-48	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, PQFP48, QFP-48	1A SWITCHING CONTROLLER, 1200kHz SWITCHING FREQ-MAX, QCC48, QFN-48
Maker	Seiko Epson Corporation	Seiko Epson Corporation	Seiko Epson Corporation	Seiko Epson Corporation	Seiko Epson Corporation	Seiko Epson Corporation
Parts packaging code	DIE	QFP	DIE	QFN	QFP	QFN
package instruction	DIE,	QFF,	DIE,	HVQCCN,	QFF,	HVQCCN,
Contacts	74	48	74	48	48	48
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	ALSO CONTAINS THREE SERIES REGULATOR	ALSO CONTAINS THREE SERIES REGULATOR	ALSO CONTAINS THREE SERIES REGULATOR	ALSO CONTAINS THREE SERIES REGULATOR	ALSO CONTAINS THREE SERIES REGULATOR	ALSO CONTAINS THREE SERIES REGULATOR
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum input voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
Nominal input voltage	4 V	4 V	4 V	4 V	4 V	4 V
JESD-30 code	R-XUUC-N74	S-PQFP-F48	R-XUUC-N74	S-XQCC-N48	S-PQFP-F48	S-XQCC-N48
Number of functions	3	3	3	3	3	3
Number of terminals	74	48	74	48	48	48
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Maximum output current	1 A	1 A	1 A	1 A	1 A	1 A
Package body material	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED
encapsulated code	DIE	QFF	DIE	HVQCCN	QFF	HVQCCN
Package shape	RECTANGULAR	SQUARE	RECTANGULAR	SQUARE	SQUARE	SQUARE
Package form	UNCASED CHIP	FLATPACK	UNCASED CHIP	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	FLATPACK	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
surface mount	YES	YES	YES	YES	YES	YES
Switch configuration	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL
Maximum switching frequency	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	NO LEAD	FLAT	NO LEAD	NO LEAD	FLAT	NO LEAD
Terminal location	UPPER	QUAD	UPPER	QUAD	QUAD	QUAD
Base Number Matches	1	1	1	1	1	1
length	-	7 mm	-	7 mm	7 mm	7 mm
Maximum seat height	-	1.7 mm	-	1 mm	1.7 mm	1 mm
Terminal pitch	-	0.5 mm	-	0.5 mm	0.5 mm	0.5 mm
width	-	7 mm	-	7 mm	7 mm	7 mm

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