SI9136LG datasheet(1/16 Pages) VISHAY

No de pièce	SI9136LG

Description	Multi-Output Power-Supply Controller

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Fabricant	VISHAY [Vishay Siliconix]

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Vishay Siliconix

Si9136

Document Number: 70818

S11-0975-Rev. D, 16-May-11

www.vishay.com

1

Not recommended for new designs, please refer to Si9138

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

Multi-Output Power-Supply Controller

FEATURES

•

Up to 95 % Efficiency

•

3 % Total Regulation (Each Controller)

•

5.5 V to 30 V Input Voltage Range

•

3.3 V, 5 V, and 12 V Outputs

•

200 kHz Low-Noise Fixed Frequency Operation

•

Precision 3.3 V Reference Output

•

30 mA Linear Regulator Output

•

High Efficiency Pulse Skipping Mode Operation at

Light Load

•

Only Three Inductors Required - No Transformer

•

LITTLE FOOT® Optimized Output Drivers

•

Internal Soft-Start

•

Minimal External Control Components

•

28-Pin SSOP Package

DESCRIPTION

The Si9136 is a current-mode PWM and PSM converter

controller, with two synchronous buck converters (3.3 V and

5 V) and a flyback (non-isolated buck-boost) converter

(12 V). Designed for portable devices, it offers a total five

power outputs (three tightly regulated dc/dc converter

outputs, a precision 3.3 V reference and a 5 V LDO output).

It requires minimum external components and is capable of

achieving conversion efficiencies approaching 95 %.

The Si9136 is available in a 28-pin SSOP package and

specified to operate over the extended commercial (0 °C to

90 °C) temperature range.

FUNCTIONAL BLOCK DIAGRAM

5 V

Linear

Regulator

3.3 V

Voltage

Reference

3.3 V

SMPS

5 V

SMPS

12 V SMPS

Power-Up Control

VIN

+ 3.3 V

VL

(5.0 V)

Control

Inputs

VREF

(+ 3.3 V)

+ 5 V

+ 12 V

Numéro de pièce similaire - SI9136LG

Fabricant	No de pièce	Fiches technique	Description
Vishay Siliconix	SI9136LG	178Kb / 14P	Multi-Output Power-Supply Controller Rev. C, 03-Apr-00

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Description similaire - SI9136LG

Fabricant	No de pièce	Fiches technique	Description
Vishay Siliconix	SI9136	178Kb / 14P	Multi-Output Power-Supply Controller Rev. C, 03-Apr-00
	SI9136	224Kb / 16P	Multi-Output Power-Supply Controller 01-Jan-2022
	SI9135	271Kb / 16P	SMBus Multi-Output Power-Supply Controller Rev. D, 16-May-11
	SI9135	453Kb / 14P	SMBus Multi-Output Power-Supply Controller Rev. B, 05-Apr-99
Motorola, Inc	MC33394	408Kb / 44P	MULTI OUTPUT POWER SUPPLY
Vishay Siliconix	SI9139	162Kb / 17P	Multi-Output, Individual On/Off Control Power-Supply Controller Rev. A, 16-Dec-02
Vishay Siliconix	SI9138	150Kb / 14P	Multi-Output, Individual On/Off Control Power-Supply Controller Rev. B, 13-May-02
Panasonic Semiconductor	AN8072N	39Kb / 4P	Multi Output Power Supply Regulator
Vishay Siliconix	SI9137	156Kb / 14P	Multi-Output, Sequence Selectable Power-Supply Controller for Mobile Applications Rev. B, 13-May-02
Semtech Corporation	SC1402	270Kb / 18P	Multi-Output, Low-Noise Power Supply Controller for Notebook Computers

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