SI9130 datasheet(3/15 Pages) VISHAY

3 / 15 page

Document Number: 70190

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

www.vishay.com

Vishay Siliconix

Si9130

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.

c. The main switching outputs track the reference voltage. Loading the reference reduces the main outputs slightly according to the closed-loop

gain (AVCL) and the reference voltage load-regulation error. AVCL for the 3.3 V supply is unity gain. AVCL for the 5 V supply is 1.54.

d. Since the reference uses VL as its supply, its V+ line regulation error is insignificant.

SPECIFICATIONS

Parameter

Specific Test Conditions

V+ = 15 V, IVL = IREF = 0 mA, SHDN = ON3 = ON5 = 5 V

Other Digital Input Levels 0 V or 5 V, TA = TMIN to TMAX

Limits

Unit

Min.a

Typ.b

Max.a

Internal Regulator and Reference

VL/FB5 Switchover Voltage

Rising Edge of FB5, Hysteresis = 1 %

4.2

4.7

REF Output Voltage

No External Loadc

3.24

3.36

REF Fault Lockout Voltage

Falling Edge

2.4

3.2

REF Load Regulation

0 mA < IL < 5 mA

V+ Shutdown Current

SHDN = ON3 = ON5 = 0 V, V+ = 30 V

µA

V+ Standby Current

ON3 = ON5 = 0 V, V+ = 30 V

110

Quiescent Power Consumption

(both PWM controllers on)

FB5 = CS5 = 5.25 V

FB3 = CS3 = 3.5 V

5.5

8.6

V+ Off Current

FB5 = CS5 = 5.25 V, VL Switched Over to FB5

µA

Oscillator and Inputs/Outputs

Oscillator Frequency

SYNC = 3.3 V

270

300

330

kHz

SYNC = 0 V, 5 V

170

200

230

SYNC High Pulse Width

200

SYNC Low Pulse Width

200

SYNC Rise/Fall Time

Not Tested

200

Oscillator SYNC Range

240

350

kHz

Maximum Duty Cycle

SYNC = 3.3 V

SYNC = 0 V, 5 V

Input Low Voltage

SHDN, ON3, ON5 SYNC

0.8

Input High Voltage

SHDN, ON3, ON5

2.4

SYNC

VL - 0.5

Input Current

SHDN, ON3, ON5, VIN = 0 V, 5 V

± 1

µA

DL3/DL5 Sink/Source Current

VOUT = 2 V

DH3/DH5 Sink/Source Current

BST3 - LX3 = BST5 - LX5 = 4.5 V, VOUT = 2 V

DL3/DL5 On-Resistance

High or Low



DH3/DH5 On-Resistance

High or Low

BST3 - LX3 = BST5 - LX5 = 4.5 V

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