AP3003T-12TRE1 Ver la hoja de datos (PDF) - BCD Semiconductor

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AP3003T-12TRE1

150kHz 3A BUCK DC-DC CONVERTER

BCD Semiconductor 

Data Sheet

150kHz 3A BUCK DC-DC CONVERTER

AP3003

Electrical Characteristics (Continued)

For All Output Voltage Versions

Unless otherwise specified , VIN=12V for 3.3V, 5V and adjustable version, VIN=24V for 12V version,

ILOAD=500mA, TJ=25oC. Specifications with boldface type apply over Full Operating Junction Temperature

Range.

Parameter

Feedback Bias Current

Oscillator Frequency

Saturation Voltage

Maximum Duty Cycle

Minimum Duty Cycle

Current Limit

Output Leakage Current

Quiescent Current

Standby Quiescent Current

ON/OFF Pin Logic Input

Threshold Voltage

ON/OFF Pin Input Current

Symbol

IFB

f

Conditions

Adjustable Version Only,

VFB=1.3V

(Note 3)

Min Typ Max Unit

10

50

nA

100

127

150

173

kHz

110

173

VSAT

DMAX

DMIN

ILOAD=3A ( No output devices,

VFB=0V)

VFB=0V

VFB=1.3V

1.2

1.5

V

1.6

100

%

0

%

ICL

Peak Current , No output

devices, VFB=0V

3.6

4.5

6.9

A

3.4

7.5

ISWL

Output=0V, No output devices,

VFB=1.3V, VIN=32V

Output=-1V, No output devices,

VFB=1.3V, VIN=32V

50

µA

2

30

mA

IQ

ISTBY

VFB=1.3V

ON/OFF Pin=5V, VIN=18V

5

10

mA

80

200

250

µA

VIL

Regulator ON

VIH

Regulator OFF

0.6

V

2.0

IH

VPIN5=2.5V (Regulator OFF)

5

15

µA

IL

VPIN5=0.5V (Regulator ON)

0.02

5

µA

Note 3: The switching frequency is reduced when the second stage current limit is activated.

Note 4: The specifications with boldface are GBD (Guaranteed By Design ).

Feb. 2007 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

7

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