SI9118_11 datasheet(6/11 Pages) VISHAY

部件名	SI9118

功能描述	Programmable Duty Cycle Controller

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制造商	VISHAY [Vishay Siliconix]

网页	http://www.vishay.com

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Document Number: 70815

S11-0975–Rev. E, 16-May-11

Vishay Siliconix

Si9118, Si9119

This document is subject to change without notice.

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

PIN CONFIGURATIONS AND ORDERING INFORMATION

ORDERING INFORMATION

Part Number

Temperature Range

Package

Si9118DY

- 40 to 85 °C

SOIC-16

Si9118DY-T1

Si9118DY-T1-E3

Si9119DY

Si9119DY-T1

Si9119DY-T1-E3

PIN DESCRIPTION

Pin Number

Symbol

Description

1

+VIN

Input bus voltage ranging from 10 V to 200 V.

2

PWM/PSM

Connected to VREF forces the converter into PWM mode. Connected to -VIN forces the converter into PSM

mode.

3

VREF

4 V reference voltage. Decouple with 0.1 µF ceramic capacitor.

4

NI

Non-inverting input of an error amplifier.

5

FB

Inverting input of an error amplifier.

6

COMP

Error amplifier output for external compensation network.

7

SS/EN

Programmable soft-start with external capacitor or externally controlled disable mode.

8

COSC

External capacitor to determine the switching frequency.

9

ROSC

External resistor to determine the switching frequency.

10

ILIMIT

Pulse by pulse peak current limiting pin. When the current sense voltage exceeds the current limit threshold,

the gate drive signal is terminated. ILIMIT is also used to sense the current in pulse skipping mode.

11

ICS

Current sense input to control feedback response.

12

SYNC or VSC

Si9118: slope compensation pin. Si9119: clock synchronization pin. Logic high to low transition from external

signal synchronizes the internal clock frequency.

13

DMAX

Sets the maximum duty cycle. Internally, the maximum duty cycle is clamped to 80 %.

14

-VIN

Single point ground.

15

DR

Gate drive for the external MOSFET switch.

16

VCC

Supply voltage for the IC after the startup transition.

SOIC

Si9118DY

13

14

15

16

2

3

4

1

10

11

12

5

6

7

9

8

Top View

+VIN

VCC

ILIMIT

ICS

VREF

DR

NI

-V IN

FB

COMP

SS/EN

VSC

COSC

ROSC

DMAX

PWM/PSM

SOIC

Si9119DY

13

14

15

16

2

3

4

1

10

11

12

5

6

7

9

8

Top View

+VIN

VCC

ILIMIT

ICS

VREF

DR

NI

-V IN

FB

COMP

SS/EN

SYNC

COSC

ROSC

DMAX

PWM/PSM

类似零件编号 - SI9118_11

制造商	部件名	数据表	功能描述
Vishay Siliconix	SI9118DY	91Kb / 8P	Programmable Duty Cycle Controller Rev. B, 05 Apr-99
Vishay Siliconix	SI9118	187Kb / 11P	Programmable Duty Cycle Controller 01-Jan-2022

More results

类似说明 - SI9118_11

制造商	部件名	数据表	功能描述
Vishay Siliconix	SI9118	187Kb / 11P	Programmable Duty Cycle Controller 01-Jan-2022
Vishay Siliconix	SI9118	91Kb / 8P	Programmable Duty Cycle Controller Rev. B, 05 Apr-99
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