AIC1594

1A STEP-DOWN PWM REGULATOR

SPEC NO: DS-1594-P1 03/23/00

ANALOG INTEGRATIONS CORPORATION

www.analog.com.tw

4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.

TEL: (8863)577-2500 FAX:(8863)577-2510

3

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

Input Voltage

4.5

36

V

2.5

V

3.3

V

5.0

V

Fixed Output Voltage

12.0

V

Feedback Voltage

AIC1594 Adjustable

1.25

V

Output Voltage Regulation

4

%

Quiescent Current

Internal switch off

1

5

mA

Shutdown Quiescent Current

SHDN = 5V (OFF)

80

µA

Logic Input High

(Regulator OFF)

2

V

Logic Input Low

(Regulator ON )

0.8

V

Oscillator Frequency

AIC1594A series

150

Oscillator Frequency

AIC1594B series

300

KHz

Output Current Limit

1.0

1.5

A

Over Voltage Protection

120

%

Maximum Duty Cycle

100

%

Efficiency

Vo=5V , Io=2A

90

%