AMC3202DMF datasheet(3/6 Pages) TGS

3 / 6 page

AMC3202DMF

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

Characteristic

Symbol

Value

Unit

Input Voltage

Vcc

Switch Input Voltage,

Vsw

Maximum Operating Junction Temperature

150

°C

Storage Temperature

Tstg

-65～ +150

°C

Lead Temperature(Soldering,10seconds)

260

°C

* Exceeding these ratings could cause damage to the device. All voltages are with respect

to Ground. Currents are positive into, negative out of the specified terminal.

ELECTRICAL CHARACTERISTICS

(Unless otherwise noted: 2.7V<Vcc<30V,Ta=25℃ )

Characteristics

Test conditions

Min

Typ

Max

Unit

FB Reference Voltage

V COMP tied to FB;Measure at FB

1.246

1.276 1.300

FB Input Current

FB=VREF

-1.0

0.1

1.0

µA

Reference

Vo lt age

Line

Regulation

V COMP=FB, 2.7V<Vcc<30V

0.01

0.03

%/V

Error Amp Tr ansconductance

I VCOMP=±25µA

300

550

800

uMho

Error Amp Gain

200

500

V/V

V COMP Source Current

FB=1.0V, VCOMP=1.25V

µA

V COMP Sink Current

FB=1.5V, VCOMP=1.25V

200

625

1500

µA

V COMP High Clamp Voltage

FB=1.0V, VCOMP sources 25µA

1.5

1.7

1.9

V COMP Low Clamp Voltage

FB=1.5V, V COMP sinks 25µA

0.25

0.50

0.65

V COMP Threshold

Reduce VCOMP from 1.5V until

switching stops

0.75

1.05

1.30

Base Operating Frequency

FB=1V

230

280

310

kHZ

Reduced Operating Frequency

FB=0V

120

kHZ

Ma xi mi m Dut y Cy c l e

FB Frequency Shift Threshold

Frequency

drops

reduced

operating frequency

0.36

0.40

0.44

Sy nchronization range

320

500

kHZ

Sy nc hronization

Pulse

Tr ansition Threshold

Rise time=20ns

2.5

EN Bias Current

EN=0V

EN=3.0V

-15

-3.0

3.0

8.0

µA

Shutdown Threshold

0.50

0.85

1.20

Shutdown Delay

2.7V≤Vcc≤12V

12V≤Vcc≤30V

350

200

µS

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