SC420AIMLTRT 데이터 시트보기 (PDF) - Semtech Corporation

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SC420AIMLTRT

High Speed, Combi-Sense™, Synchronous Power MOSFET Driver for Mobile Applications

Semtech Corporation 

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: -40oC < TJ < 125°C; VIN = 5V; 0V < VDRN < 25V

Parameter

Symbol

Under Voltage Lockout

Conditions

Start Threshold (ramping up)

Hysteresis

Under-Voltage Lockout

Time Delay

VIN ramping up (2)

VIN ramping down (2)

EN

VIN

Vhys

tpdhUVLO

tpdLUVLO

High Level Input Voltage

VIH

Low Level Input Voltage

VIL

CO

High Level Input Voltage

Low Level Input Voltage

Thermal Shutdown

Over Temperature Trip Point

(2)

Hysteresis (2)

High Side Driver (TG)

TOTP

THYST

Peak Output Current (3)

Output Resistance(3)

Rise Time (3)

Fall Time (3)

IPKH

RSRC_TG

R

SINK_TG

trTG

tfTG

I=

100mA

VBST-VDRN = 5V

VBST-VDRN = 5V

CL = 3nF,VBST - VDRN = 5V

SC420A

Min Typ Max

Units

4.1

4.3 4.55

V

100 200 350

mV

2

µs

2

µs

2.0

V

0.8

V

2.0

V

0.8

V

165

oC

10

oC

1.5

1.7 1.9

A

1.8

2.2 2.6

Ω

0.6

0.8 1.0

12

16

20

ns

10

14

18

ns

© 2004 Semtech Corp.

3

United States Patent No. 6,441,597

www.semtech.com

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