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AP3583

Single Phase Synchronous Buck PWM Controller With Reference Input

BCD Semiconductor 

Data Sheet

Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A

Electrical Characteristics

VCC=12V, TA=25°C, unless otherwise specified.

Parameter

SUPPLY INPUT

Supply Voltage

Supply Current

Symbol

VCC

ICC

Quiescent Supply Current

Power Input Voltage

POWER ON RESET

VCC Rising Threshold

VCC Threshold Hysteresis

OSCILLATOR

ICC_Q

VIN

VPOR

VPOR_HYS

Oscillator Frequency

fOSC

Ramp Amplitude

∆VOSC

PWM CONTROLLER GATE DRIVERS

Upper Gate Source Current

IUG_SRC

Upper Gate Sink Current

IUG_SNK

Upper Gate Sink Resistance

Lower Gate Source Current

Lower Gate Sink Current

Lower Gate Sink Resistance

PHASE Falling to LGATE

Rising Delay

LGATE Falling to UGATE

Rising Delay

Minimum Duty Cycle

Maximum Duty Cycle

REFERENCE VOLTAGE

Feedback Voltage

RUGATE

ILG_SRC

ILG_SNK

RLGATE

VFB

Conditions

Min Typ Max

4.5

UGATE1and1LGATE

Pin1Open;

VCC=12V,1Switching

VFB=VREF+0.1V,

No Switching

3.0

13.2

3

2

13.2

VCC Rising

4.0 4.2 4.4

300

AP3583

AP3583A

VCC=12V

180 200 220

270 300 330

1.0

VBOOT-VPHASE=12V,

-1

VBOOT-VUGATE=6V

VBOOT-VPHASE=12V,

1.5

VBOOT-VUGATE=6V

50mA Sink Current

VBOOT-VPHASE=12V

1.6 3.2

VCC-VLGATE=6V

VLGATE=6V

VCC=12V,

50mA Source Current

-1

1.5

1

2

VPHASE<1.2V

to

50

VLGATE>1.2V

VLGATE<1.2V

to

50

(VUGATE-VPHASE)>1.2V

0

75 80 85

Stand-alone Mode

0.591 0.6 0.609

Unit

V

mA

mA

V

V

mV

kHz

V

A

A

Ω

A

A

Ω

ns

ns

%

%

V

Dec. 2011 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

5

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