AZ384XGPTR-E1 datasheet(5/10 Pages) ANALOGICTECH

Part #	AZ384XGPTR-E1

Description	GREEN MODE PWM CONTROLLER

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

Direct Link	http://www.analogictech.com

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5 / 10 page

GREEN MODE PWM CONTROLLER

AP384XG

Preliminary Datasheet

BCD Semiconductor Manufacturing Limited

(VCC=15V, RT=10kΩ CT=3.3nF, TA= -40 to 85oC, unless otherwise specified.)

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

REFERENCE SECTION

Reference Output Voltage

VREF

TJ=25oC, IREF=1mA

4.95

5.00

5.05

V

Total Output Variation

Line, Load, Temp.

4.9

5.10

V

Line Regulation

∆VREF

12V

≤ VCC ≤25V

4

15

mV

Load Regulation

∆VREF

1mA

≤ IREF ≤20mA

4

15

mV

Short Circuit Output Current

ISC

TA=25oC

-100

-180

mA

Temperature Stability

0.2

0.4

mV/oC

UNDER VOLTAGE LOCK OUT SECTION

Start-up Threshold

AP3842G/AP3844G

15

16

17

V

AP3843G/AP3845G

7.8

8.4

9.0

Minimum Operating Voltage

AP3842G/AP3844G

8.5

10

11.5

V

AP3843G/AP3845G

7.0

7.6

8.2

TOTAL STANDBY CURRENT SECTION

Start-up Current

VCC=14V

40

80

µA

Operating Current

VFB=0, VCS=0, CL=1nF

8

mA

Standby Operating Current

VFB=2.7V, VCS=0.5V

6

mA

Zener Voltage

ICC=25mA

30

34

V

PWM SECTION

Maximum Duty Cycle

AP3842G/AP3843G

94

96

%

AP3844G/AP3845G

46

48

50

Minimum Duty Cycle

0%

OSCILLATOR SECTION

Oscillation Frequency

f

TJ=25oC

47

52

57

KHz

Oscillator Amplitude

VOSC

Pin RT/CT, peak to peak

1.7

V

Temperature Stability

2

%

Voltage Stability

12V ≤ VCC ≤ 25V

0.2

1

%

Discharge Current

VRT/CT = 2V (Note 4)

8.5

9.5

10.5

mA

Note 4: This parameter is measured with RT=10kΩ to VREF, it contributes 0.3mA of current to the measured value.

So the total current flowing into the CT pin will be 0.3mA higher than the measured value approximately.

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