AP1506 Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP1506 Datasheet PDF : 14 Pages
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AP1506
150KHz, 3A PWM BUCK DC/DC CONVERTER
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)
-50
-
-10
nA
-100
FOSC Oscillator Frequency
127
150
173
KHz
110
-
173
FSCP
Oscillator Frequency of When current limit occurred
Short Circuit Protect
and VFB < 0.5V, Ta = 25 oC
10
IOUT = 3A
VSAT Saturation Voltage
No outside circuit
-
VFB = 0V force driver on
DC
Max. Duty Cycle (ON)
VFB = 0V force driver on
-
Min. Duty Cycle (OFF) VFB = 12V force driver off
-
Peak current
ICL Current Limit
No outside circuit
3.6
VFB = 0 force driver on
IL
Output = 0V
Output
Leakage
No outside circuit
VFB = 12 force driver off
-
Output = -1V Current VIN = 22V
-
IQ
Quiescent Current
VFB = 12 force driver off
-
ISTBY
Standby Quiescent
Current
ON/OFF pin = 5V
VIN = 22V
-
VIL ON/OFF Pin Logic Input Low (regulator ON)
-
VIH Threshold Voltage
High (regulator OFF)
2.0
IH
ON/OFF Pin Logic
Input Current
VLOGIC = 2.5V (OFF)
-
IL
ON/OFF Pin Input
Current
VLOGIC = 0.5V (ON)
-
30
50
KHz
1.6
1.4
V
1.7
100
-
%
0
-
5.5
4.5
A
6.5
-
-200
µA
-5
-
mA
5
10
mA
150
70
200
µA
0.6
1.3
V
-
-
-0.01
µA
-0.1
-1
θJA
Thermal Resistance
Junction to Ambient
TO263-5L (Note 3)
TO220-5L(R) (Note 3)
37
-
oC/W
31
-
θJC
Thermal Resistance
Junction to Case
TO263-5L (Note 3)
TO220-5L(R) (Note 3)
6
-
oC/W
5
-
Notes: 3. Test condition: Device mounted with copper area of approximately 3 in2, no air flow.
AP1506
Document number: DS31015 Rev. 7 - 2
5 of 14
www.diodes.com
June 2010
© Diodes Incorporated
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