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AP1506 bảng dữ liệu(PDF) 5 Page - Diodes Incorporated

tên linh kiện AP1506
Giải thích chi tiết về linh kiện  150KHz, 3A PWM BUCK DC/DC CONVERTER
PDF  14 Pages
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AP1506 bảng dữ liệu(HTML) 5 Page - Diodes Incorporated

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AP1506
150KHz, 3A PWM BUCK DC/DC CONVERTER
AP1506
Document number: DS31015 Rev. 7 - 2
5 of 14
www.diodes.com
June 2010
© Diodes Incorporated
Electrical Characteristics (All Output Voltage Versions)
Unless otherwise specified, VIN = 12V for 3.3V, 5V, adjustable version and VIN = 18V for the 12V version. ILOAD = 0.5A
Specifications with boldface type are for full operating temperature range, the other type are for TJ = 25ºC.
Symbol
Parameter
Conditions
Min
Typ.
Max
Unit
IFB
Feedback Bias Current
VFB = 1.3V
(Adjustable version only)
-
-10
-50
nA
-100
FOSC
Oscillator Frequency
127
150
173
KHz
110
-
173
FSCP
Oscillator Frequency of
Short Circuit Protect
When current limit occurred
and VFB < 0.5V, Ta = 25
oC
10
30
50
KHz
VSAT
Saturation Voltage
IOUT = 3A
No outside circuit
VFB = 0V force driver on
-
1.4
1.6
V
1.7
DC
Max. Duty Cycle (ON)
VFB = 0V force driver on
-
100
-
%
Min. Duty Cycle (OFF)
VFB = 12V force driver off
-
0
-
ICL
Current Limit
Peak current
No outside circuit
VFB = 0 force driver on
3.6
4.5
5.5
A
6.5
IL
Output = 0V
Output
Leakage
Current
No outside circuit
VFB = 12 force driver off
-
-
-200
µA
Output = -1V
VIN = 22V
-
-5
-
mA
IQ
Quiescent Current
VFB = 12 force driver off
-
5
10
mA
ISTBY
Standby Quiescent
Current
ON/OFF pin = 5V
VIN = 22V
-
70
150
µA
200
VIL
ON/OFF Pin Logic Input
Threshold Voltage
Low (regulator ON)
-
1.3
0.6
V
VIH
High (regulator OFF)
2.0
-
IH
ON/OFF Pin Logic
Input Current
VLOGIC = 2.5V (OFF)
-
-
-0.01
µA
IL
ON/OFF Pin Input
Current
VLOGIC = 0.5V (ON)
-
-0.1
-1
θ
JA
Thermal Resistance
Junction to Ambient
TO263-5L (Note 3)
37
-
oC/W
TO220-5L(R) (Note 3)
31
-
θ
JC
Thermal Resistance
Junction to Case
TO263-5L (Note 3)
6
-
oC/W
TO220-5L(R) (Note 3)
5
-
Notes:
3. Test condition: Device mounted with copper area of approximately 3 in
2
, no air flow.



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