SI9135_11 datasheet(3/16 Pages) VISHAY

No. de pieza	SI9135

Descripción Electrónicos	SMBus Multi-Output Power-Supply Controller

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Document Number: 70817

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

www.vishay.com

3

Vishay Siliconix

Si9135

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

Notes:

a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.

b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.

SPECIFICATIONS

Parameter

Specific Test Conditions

VIN = 15 V, IVL = IREF = 0 mA

TA = 0 °C to 90 °C, All Converters ON

Limits

Unit

Min.a

Typ.b

Max.a

Internal Regulator

VL Output

All Converters OFF, VIN > 5.5 V, 0 < IL < 30 mA

4.7

5.5

V

VL Fault Lockout Voltage

3.6

4.2

VL Fault Lockout Hysteresis

75

mV

VL /FB5 Switchover Voltage

4.2

4.7

V

VL /FB5 Switchover Hysteresis

75

mV

Reference

REF Output

No External Load

3.24

3.30

3.36

V

REF Load Regulation

0 to 1 mA

30

75

mV

Supply Current

Supply Current - Shutdown

All Converters OFF, No Load

35

60

µA

Supply Current - Operation

All Converters ON, No Load, FOCS = 200 kHz

1100

1800

Oscillator

Oscillator Frequency

SYNC tied to REF

270

300

330

kHz

SYNC tied to GND or VL

180

200

220

SYNC High-Pulse Width

200

nsec

SYNC Low-Pulse Width

200

SYNC Rise/Fall Range

200

SYNC VIL

0.8

V

SYNC VIH

VL - 0.5

Oscillator SYNC Range

250

400

kHz

Maximum Duty Cycle

SYNC tied to GND or VL

92

95

%

SYNC tied to REF

89

92

Outputs

Gate Driver Sink/Source Current (Buck)

DL3, DH3, DL5, DH5 Forced to 2 V

1

A

Gate Driver On-Resistance (Buck)

High or Low

2

7



Gate Driver Sink/Source Current (Flyback)

DHFY, DLFY Forced to 2 V

0.2

A

Gate Driver On-Resistance (Flyback)

High or Low

15



SCL, SDA

VIL

0.6

V

VIH

1.4

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