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参数资料
| 型号： | AP1501-50K5L-U |
| 厂商： | Diodes Inc |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 3A TO263-5 |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 4.5 V ~ 40 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 150kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 包装： | 管件 |
| 供应商设备封装： | TO-263-5 |
| 其它名称： | AP1501-50K5L-U-ND AP1501-50K5L-UDI |
AP1501
150KHz, 3A PWM BUCK DC/DC CONVERTER
Recommended Operating Conditions
Symbol
V OP
Operating Voltage
Parameter
Rating
4.5 to 40
Units
V
T A
Operating Ambient Temperature
-20 to 85
o
C
Electrical Characteristics
(All Output Voltage Versions)
Unless otherwise specified, V IN = 12V for 3.3V, 5V, adjustable version and V IN = 24V for the 12V version. I LOAD = 0.5A
Specifications with boldface type are for full operating temperature range, the other type are for T J = 25oC.
Symbol
Parameter
Conditions
Min
Typ.
Max
Unit
I FB
F OSC
Feedback Bias Current
Oscillator Frequency
V FB = 1.3V
(Adjustable version only)
127
110
40
150
60
100
173
173
nA
KHZ
I OUT = 3A
1.4
V SAT
DC
Saturation Voltage
Max. Duty Cycle(ON)
Min. Duty cycle(OFF)
No outside circuit
V FB = 0V force driver on
V FB = 0V force driver on
V FB = 12V force driver off
1.3
100
0
1.5
V
%
Peak current
5.5
I CL
I L
Current Limit
Output = 0
Output
Leakage
no outside circuit
V FB = 0V force driver on
No outside circuit
V FB = 12V force driver off (Note 3)
3.6
4.0
6.5
200
A
uA
Output = -1 Current
V IN = 40V
2
60
mA
I Q
I STBY
Quiescent Current
Standby Quiescent
Current
V FB = 12V force driver off
ON/OFF pin = 5V
V IN = 40V
5
150
10
250
350
mA
uA
V IL
V IH
I H
I L
θ JA
θ JC
ON/OFF pin Logic Input
Threshold Voltage
ON/OFF Pin Logic
Input Current
ON/OFF Pin Input
Current
Thermal Resistance
unction to Ambient
Thermal Resistance
Junction to Case
Low (regulator ON)
High (regulator OFF)
V LOGIC = 2.5V (OFF)
V LOGIC = 0.5V (ON)
TO263-5L (Note 4)
TO220-5L(R) (Note 4)
TO263-5L (Note 4)
TO220-5L(R) (Note 4)
2.0
1.3
15
0.02
37
31
6
5
0.6
25
5
o
o
V
uA
C/W
C/W
Notes:
3. Feedback pin removed from output and connected to 0V to force the output transistor switch ON. Feedback pin removed from output and
connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor switch OFF.
4. Test condition: Device mounted with copper area of approximately 3 in 2 ,1oz, no air flow.
AP1501 Rev. 11
4 of 12
www.diodes.com
JANUARY 2009
? Diodes Incorporated
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