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AP3583MPTR-G1

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 (Continued)

VCC=12V, TA=25℃, unless otherwise specified.

Parameter

Output Voltage Accuracy

REFIN Enable Threshold

PROTECTION

Under Voltage Protection

Over Current Source

Soft-start Interval

Thermal Shutdown

Thermal Shutdown Hysteresis

Symbol

VREFIN

Conditions

│VFB-VREFIN│,1VREFIN

=0.4V to 1.0V,

Tracking Mode

│VFB-VREFIN│/VREFIN,

VREFIN=1.0V to 3.0V,

Tracking Mode

Min

Typ Max

15

1.5

0.3 0.35

Unit

mV

%

V

VFB_UVP

IOPS

0.3 0.4 0.5

V

30 40 50 µA

AP3583,1Stand-alone

2.6

Mode

tSS

AP3583A,1Stand-alone

ms

2.0

Mode

TOTSD

160

ºC

THYS

20

ºC

Typical Performance Characteristics

0.4

0.3

0.2

0.1

0.0

-0.1

-0.2

V =1.2V, I =10A

OUT

OUT

-0.3

4

5

6

7

8

9 10 11 12 13 14

Input Voltage (V)

Figure 4. Line Regulation

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

V =12V, V =1.2V

IN

OUT

-3.5

-4.0

0 2 4 6 8 10 12 14 16 18 20 22

Output Current (A)

Figure 5. Load Regulation

Dec. 2011 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

6

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