Copyright

© ANPEC Electronics Corp.

Rev. A.5 - Sep., 2011

APW7083

www.anpec.com.tw

4

Electrical Characteristics

APW7083

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY CURRENT

VIN Supply Current

-

1.0

2.0

mA

VIN Shutdown Supply Current

-

-

5

µA

VCC Supply Current

-

0.7

-

mA

VCC Shutdown Supply Current

-

-

1

µA

VCC 4.2V LINEAR REGULATOR

Output Voltage

4.0

4.2

4.5

V

Load Regulation

-60

-40

0

mV

Current-Limit

8

-

30

mA

VIN-TO-UGND 5.5V LINEAR REGULATOR

5.3

5.5

5.7

V

Load Regulation

-80

-60

0

mV

Current-Limit

10

-

30

mA

POWER-ON-RESET (POR) AND LOCKOUT VOLTAGE THRESHOLDS

VCC POR Voltage Threshold

3.7

3.9

4.1

V

VCC POR Hysteresis

-

0.15

-

V

EN Lockout Voltage Threshold

2.4

2.5

2.6

V

EN Lockout Hysteresis

-

0.2

-

V

VIN-to-UGND Lockout Voltage

Threshold

-

3.5

-

V

VIN-to-UGND Lockout Hysteresis

-

0.2

-

V

REFERENCE VOLTAGE

Reference Voltage

-

0.8

-

V

-1

-

+1

Output Voltage Accuracy

-2.5

-

+2.5

%

Line Regulation

-

0.1

-

%

-

-0.3

-

Load Regulation

-

-0.53

-

%/A

OSCILLATOR AND DUTY

Oscillator Running Frequency

340

380

420

kHz

Foldback Frequency

-

80

-

kHz

Maximum Converter’s Duty Cycle

-

93

-

%

Minimum Pulse Width of LX

-

200

-

ns

CURRENT-MODE PWM CONVERTER

Gm

Error Amplifier Transconductance

-

400

-

µA/V

Error Amplifier DC Gain

COMP = Open

60

80

-

dB

Refer to the typical application circuits. These specifications apply over V

otherwise specified. V