AIC1639-50CX datasheet(3/11 Pages) AIC

Part #	AIC1639-50CX

Description	3-PIN ONE-CELL STEP-UP DC/DC CONVERTER

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Manufacturer	AIC [Analog Intergrations Corporation]

Direct Link	http://www.analog.com.tw

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AIC1639

3-PIN ONE-CELL STEP-UP DC/DC CONVERTER

SPEC NO: DS-1639-00 05/26/00

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

n ELECTRICAL CHARACTERISTICS (AIC1639 Ta=25°C, IO=10mA, Unless otherwise

specified)

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Output Voltage

VIN=1.8V

VIN=2.0V

VIN=3.0V

VOUT

2.633

2.925

3.218

4.875

2.700

3.000

3.300

5.000

2.767

3.075

3.382

5.125

V

Input Voltage

VIN

8

V

Start-Up Voltage

IOUT=1mA, VIN:0→2V

VSTART

0.8

0.9

V

Hold-on Voltage

IOUT=1mA, VIN:2→0V

VHOLD

0.6

V

No-Load Input Current

IOUT=0mA

IIN

18

µA

Supply Current 1

EXT at no load, VIN=VOUT x 0.5

Measurement of the IC input cur-

rent

IDD1

45

50

60

80

µA

Supply Current 2

EXT at no load, VIN=VOUT + 0.5

Measurement of the IC input cur-

rent

IDD2

7

µA

EXT “H” On-Resistance

VEXT=VOUT – 0.4V

REXTH

300

200

185

130

Ω

EXT “L” On-Resistance

VEXT= 0.4V

REXTL

110

80

70

60

Ω

Oscillator Duty Cycle

VIN=VOUT x 0.95

Measurement of the IC input cur-

rent

DUTY

65

75

85

%

Max. Oscillator Freq.

VIN=VOUT x 0.95

Measurement of the IC input cur-

rent

FOSC

80

105

130

KHz

Efficiency

η

80

%

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