AIC1896 데이터 시트보기 (PDF) - Analog Intergrations

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AIC1896

1. 4MHz Thin Package Current-Mode Step-Up DC/DC Converter

Analog Intergrations 

AIC1896

ELECTRICAL CHARACTERISTICS

(VIN=V SHDN =3V, FB=GND, SS=Open, TA=25°C, unless otherwise specified) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Input Supply Range

Output Voltage Adjust Range

VIN Undervoltage Lockout

Quiescent Current

Shutdown Supply Current

VIN

VOUT

UVLO

IIN

VIN rising, 50mV hysteresis

VFB = 1.3V, not switching

VFB = 1.0V, switching

V SHDN = 0, TA = +25°C

V SHDN = 0

ERROR AMPLIFIER

Feedback Regulation Set Point VFB

FB Input Bias Current

IFB VFB = 1.24V

Line Regulation

OSCILLATOR

2.6V < VIN < 5.5V

Frequency

Maximum Duty Cycle

fOSC

DC

POWER SWITCH

Steady State Output Current

Io Refer to Fig. 13

On-Resistance

Leakage Current

SOFT-START

RDS(ON) Vin = 5V

ILX(OFF)

VLX = 30V, TA = +25°C

VLX = 30V

Reset Switch Resistance

Guaranteed By Design

Charge Current

CONTROL INPUT

VSS = 1.2V

Input Low Voltage

Input High Voltage

SHDN Input Current

VIL

VIH

I SHDN

V SHDN , VIN = 2.5V to 10V

V SHDN , VIN = 2.5V to 10V

V SHDN = 1.8V

V SHDN = 0

2.5

10 V

30 V

2.2

V

0.1 0.2

mA

1

5

0.01 0.5 µA

0.01 10 µA

1.205 1.23 1.255 V

21 80 nA

0.05 0.20 %/V

1000 1400 1800 KHz

82 86

%

A

1 1.4 Ω

0.1

1

µA

10

100 Ω

1.5

4

7.0 µA

0.3 V

1.0

V

25 50

µA

0.01 0.1

Note 1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating

temperature range are assured by design, characterization and correlation with Statistical Quality

Controls (SQC).

4

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