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SC1408IMS.TR

Low Voltage, Boost DC-DC Controller

Semtech Corporation 

SC1408

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: VOUT = 5V; ILOAD = 0mA; TA = +25°C

Parameter

Sym

Conditions

Min Typ Max Units

FB Trip Point Voltage

VFB

FB Input Current

IFM

SHDN Input High Voltage

VIN

SHDN Input Low Voltage

VIL

SHDN Input Current

Current Limit Trip Level

VCS

ISENSE Input Current

GATE Rise Time

GATE Fall Time

GATE On Resistance

TA = 25oC

TA = -40oC to +85oC

1.200

V

1.176

1.224

TA = 25oC

TA = -40oC to +85oC

-4

nA

±40

VOUT = 2.7V to 16.5V

1.6

V

VOUT = 2.7V to 16.5V

0.4 V

VOUT = 16.5V, SHDN = 0V or 5V

±1 µA

VOUT = 3V to 16.5V

TA = 25oC

85

TA = -40oC to +85oC 80

100 115 mV

120

0.01 ±1 µA

VOUT = 5V, InF from GATE to GND

VOUT = 5V, InF from GATE to GND

GATE = high or low

50

ns

50

15 30

Ω

NOTE:

(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.

 2005 Semtech Corp.

3

www.semtech.com

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