SC4612MLTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4612MLTRT

Wide Input Range High Performance Synchronous Buck Switching Controller

Semtech Corporation 

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POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless otherwise specified:

VIN = VDD = 12V, FOSC = 600kHz, TA = TJ = -40°C to 125°C.

Parameter

Test Conditions

SS/EN

Disable Threshold Voltage

Soft Start Charge Current

Soft Start Discharge Current (1)

Disable Low to Shut Down (1)

Hiccup

Hiccup duty cycle

Gate Drive

CSS = 0.1,

current limit condition

Gate Drive On-Resistance (H)(2)

Gate Drive On-Resistance (L)(2)

DL Source/Sink Peak Current(2)

DH Source/Sink Peak Current(2)

Output Rise Time

Output Fall Time

Minimum Non-Overlap (1)

Minimum On Time(2)

ISOURCE = 100mA

ISINK = 100mA

COUT = 2000pF

COUT = 2000pF

COUT = 2000pF

COUT = 2000pF

Notes:

(1) Guaranteed by design.

(2) Guaranteed by characterization.

SC4612

Min

Typ

Max

Units

500

mV

25

µA

1

µA

50

ns

1

%

3

4

Ω

3

4

Ω

±1.4

1.7

A

±1.4

1.7

A

20

ns

20

ns

30

ns

110

ns

 2007 Semtech Corp.

4

www.semtech.com

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