SIC402DB(2012) データシートの表示（PDF） - Vishay Semiconductors

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SIC402DB
(Rev.:2012)

10 A microBUCK® SiC402A/B Integrated Buck Regulator with Programmable LDO

Vishay Semiconductors 

SiC402A, SiC402BCD

Vishay Siliconix

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Power Good

Power Good Threshold Voltage

Start-Up Delay Time

(between PWM enable and PGOOD high)

Fault (noise-immunity) Delay Timeb

Leakage Current

Power Good On-Resistance

Fault Protection

PG_VTH_UPPER

PG_VTH_LOWER

PG_Td

PG_ICC

PG_ILK

PG_RDS-ON

Vally Current Limitc

ILIM

ILIM Source Current

ILIM Comparator Offset Voltage

Output Under-Voltage Fault

Smart Power-Save Protection

Thresholdb

Over-Voltage Protection Threshold

Over-Voltage Fault Delayb

Over Temperature Shutdownb

Logic Inputs/Outputs

Logic Input High Voltage

Logic Input Low Voltage

EN/PSV Input for PSAVE Operationb

EN/PSV Input for Forced Continuous

Operationb

EN/PSV Input for Disabling Switcher

EN/PSV Input Bias Current

ENL Input Bias Current

FBL, FB Input Bias Current

VILM-LK

VOUV_Fault

PSAVE_VTH

tOV-Delay

TShut

VIH

VIL

IEN

FBL_ILK

Test Conditions Unless Specified

VIN = 12 V, TA = + 25 °C for typ.,

- 40 °C to + 85 °C for min. and max.,

TJ = < 125 °C, VDD = + 5 V,

typical application circuit

Upper limit, VFB > internal 600 mV

reference

Lower limit, VFB < internal 600 mV

reference

VDD = 5 V, Css = 10 nF

VDD = 3 V, Css = 10 nF

VDD = 5 V, RILIM = 4460,

TJ = 0 °C to + 125 °C

VDD = 3 V, RILIM = 4460

With respect to AGND

VFB with respect to Internal 600 mV

reference, 8 consecutive clocks

VFB with respect to internal 600 mV

reference

VFB with respect to internal 600 mV

reference

10 °C hysteresis

VDD = 5 V

EN/PSV = VDD or AGND

ENL = VIN = 28 V

FBL, FB = VDD or AGND

Limits

Unit

Min. Typ. Max.

+ 20

%

- 10

12

ms

7

5

µs

1

µA

10



8.5

10 11.5

A

8.5

10

µA

- 10

0

+ 10 mV

- 25

+ 10

%

+ 20

5

µs

150

°C

1

0.4

2.2

5

V

1

2

0

0.4

- 10

+ 10

10

18 µA

-1

+1

Document Number: 63729

For technical questions, contact: powerictechsupport@vishay.com

www.vishay.com

S12-2109-Rev. B, 03-Sep-12

5

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

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