SC4602A データシートの表示（PDF） - Semtech Corporation

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SC4602A

High Efficiency Synchronous, Step Down Controller

Semtech Corporation 

SC4602A/B

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless otherwise specified, VCC = 3.3V, TA = -40oC to 85oC, TA = TJ.

Parameter

Test Conditions

Min

Typ

Max

Unit

N-channel and P-Channel Driver Outputs (Cont.)

NDRV Output Rise Time (1)

NDRV Output Fall Time (1)

Deadtime Delay

(PDRV high to NDRV high) (1)

Vgs = 3.3V, COUT = 1.0nF

Vgs = 3.3V, COUT = 1.0nF

15

ns

15

ns

adaptive

Deadtime Delay

(NDRV low to PDRV low) (1)

50

ns

Notes:

(1) Guaranteed by design.

(2) Guaranteed by characterization.

(3) Dead time delay from PDRV high to NDRV high is adaptive. As the phase node voltage drops below 600mV due to PDRV

high, NDRV will start to turn high.

Marking Information

yyww = Date Code (Example: 0012)

xxxxxxxx = Semtech Lot No. (Example: E901

01-1)

 2006 Semtech Corp.

yyww = Date Code (Example: 0012)

xxxxxxxx = Semtech Lot No. (Example: E901

01-1)

4

www.semtech.com

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