ADPL74101 datasheet(5/49 Pages) AD

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Data Sheet

ADPL74101

analog.com

Rev. 0

5 of 49

SPECIFICATIONS

Table 1. Electrical Characteristics

(Specifications are at TJ = -40°C to +125°C for the minimum and maximum values, TA = 25°C for the typical values,

VIN = 12V, RUN = 12V, VPRG = Floating, EXTVCC = 0V, DRVSET = 0V, DRVUV = 0V, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

Input Supply

Operating Range

VIN

100

Total Input Supply

Current in Regulation

IIN

48V to 5V, No Load1

14V to 3.3V, No Load1

µA

Controller Operation

Regulated Output

Voltage Set Point

VOUT

0.8

Regulated Feedback

Voltage2

VFB

VIN = 4V to 100V,

ITH Voltage = 0.6V to 1.2V

VPRG = Floating, TA = 25°C

VPRG = Floating

VPRG = 0V

VPRG = INTVCC

0.792

0.788

4.925

11.82

0.8

5.0

0.808

0.812

5.075

12.18

Feedback Current2

VPRG = Floating, TA = 25°C

VPRG = 0V or INTVCC, TA = 25°C

-50

+50

µA

Feedback Overvoltage

Threshold

Relative to VFB, TA = 25°C

Transconductance

Amplifier2

ITH = 1.2V,

Sink and Source Current = 5µA

1.8

mMho

Maximum Current

Sense Threshold

VSENSE(MAX)

VFB = 0.7V, SENSE- = 3.3V

ILIM = 0V

ILIM = Floating

ILIM = INTVCC

SENSE+ Pin Current

ISENSE+

SENSE+ = 3.3V, TA = 25°C

-1

µA

SENSE- Pin Current

ISENSE-

SENSE- < 3V

3.2V ≤ SENSE- < INTVCC – 0.5V

SENSE- > INTVCC + 0.5V

725

µA

Soft-Start Charge

Current

TRACK/SS = 0V

9.5

14.5

µA

RUN Pin ON Threshold

RUN Rising

1.15

1.20

1.25

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