SC1405D 데이터 시트보기 (PDF) - Semtech Corporation

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SC1405D

High Speed Synchronous Power MOSFET Smart Driver

Semtech Corporation 

SC1405D

POWER MANAGEMENT

Electrical Characteristics - DC Operating Specifications

Parameter

Symbol

Conditions

DSPS_DR

High Level Output Voltage

VOH

VCC = 4.6V, Cload = 100pF

Low Level Output Voltage

VOL

VCC = 4.6V, Cload = 100pF

Under Voltage Lockout

Start Threshold

Hysteresis

Vhys

Logic Active Threshold

EN is low

Overvoltage Protection

Trip Threshold

Hysteresis

Trip Delay, 50mV Overdrive

Trip Delay, 100mV Overdrive

S_MOD

VTRIP

VhysOVP

TJ = 0 to 125oC

TJ = 0 to 125oC

High Level Input Voltage

VIH

Low Level Input Voltage

VIL

Enable

High Level Input Voltage

VIH

Low Level Input Voltage

VIL

CO

High Level Input Voltage

VIH

Low Level Input Voltage

VIL

Thermal Shutdown

Over Temperature Trip Point

Hysteresis

High-Side Driver

TOTP

THYST

Peak Output Current

Output Resistance

Low-Side Drive

IPKH

RsrcTG

RsinkTG

duty cycle < 2%, tpw < 100µs,

TJ = 125°C, VBST - VDRN = 4.5V,

VTG = 4.0V (src)+VDRN

or VTG = 0.5V (sink)+VDRN

Peak Output Current

Output Resistance

 2005 Semtech Corp.

IPKL

RsrcBG

RsinkBG

duty cycle < 2%, tpw < 100µs,

TJ = 125°C,

VV S = 4.6V,

VBG = 4V (src)

or VLOWDR = 0.5V (sink)

3

Min

Typ

Max

Units

4.15

V

0.05

V

4.2

4.4

4.6

V

0.05

V

1.5

V

1.17 1.225 1.28

V

0.8

V

300

470

800

ns

125

225

400

ns

2.0

V

0.8

V

2.0

V

0.8

V

2.0

V

0.8

V

165

oC

10

oC

3

A

1

Ω

.7

3

A

1.2

Ω

1.0

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