SC1185CSW.TR(2005) Ver la hoja de datos (PDF) - Semtech Corporation

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componentes Descripción

Fabricante

SC1185CSW.TR
(Rev.:2005)

Programmable Synchronous DC/DC Converter, Dual LDO Controller

Semtech Corporation 

SC1185 & SC1185A

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = VO; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; TA = 0 to 70°C

Parameter

Conditions

Min

Typ

Max

Units

Linear Sections

Quiescent current

LDOV = 12V

5

mA

Output Voltage LDO1

2.469 2.500

2.531

V

Output Voltage LDO2

1.481 1.500

1.519

V

Reference Voltage

Iref < 100µA

1.246 1.265

1.284

V

Gain (AOL)

Load Regulation

Line Regulation

LDOS (1, 2) to GATE (1, 2)

IO = 0 to 8A

90

dB

0.3

%

0.3

%

Output Impedance

VGATE = 6.5V

1

1.5

Ω

Gate Pulldown Impedance

GATE (1,2)-AGND; VCC=LDOV=OV

80

300

750

kΩ

VOSENSE Impedance

10

kΩ

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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