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参数资料
| 型号： | AP1512-12K5L-U |
| 厂商： | Diodes Inc |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 12V 2A TO263-5 |
| 产品变化通告： | End Of Life 10/June/2010 |
| 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： | 12V |
| 输入电压： | 4.5 V ~ 60 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 50kHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°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 |
AP1512/A
50KHz, 2A/3A PWM BUCK DC/DC CONVERTER
Electrical Characteristics
(All Output Voltage Versions)
Unless otherwise specified, V IN = 30V for all version. I LOAD = 0.5A
Specifications with boldface type are for full operating temperature range, the other type are for T A = 25oC.
Symbol
Parameter
Conditions
Min
Typ.
Max
Unit
I B
F OSC
Feedback Bias Current
Oscillator Frequency
V FB = 1.3V
(Adjustable version only)
42.5
40
5
50
8
10
57.5
60
μ A
KHz
I OUT = 2A
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
4.5
I CL
Current Limit for AP1512 no outside circuit
V FB = 0V force driver on
2.5
3
5.5
A
peak current
5
I CL
Current Limit for AP1512A no outside circuit
V FB = 0V force driver on
3.2
4
6
A
I L
Output = 0
Output
leakage
no outside circuit
V FB = 12V force driver off
-250
uA
Output = -1 current
V IN = 60V
-2
-60
mA
I Q
I STBY
Quiescent Current
Standby Quiescent
Current
V FB = 12V force driver off
ON/OFF pin = 5V
V IN = 60V
5
350
10
450
500
mA
uA
V IL
V IH
I H
ON/OFF pin logic input
threshold voltage
ON/OFF pin logic
input current
Low (regulator ON)
High (regulator OFF)
V LOGIC = 2.5V (OFF)
-
2.0
1.3
0
0.6
-
-5
V
uA
I L
ON/OFF pin input current V LOGIC = 0.5V (ON)
-0.8
-10
C/W
θ JC
Thermal Resistance
TO263-5L
Junction to case
2.5
3.5
o
Thermal Resistance
28
C/W
θ JA
With copper area of
approximately 3 in 2
TO263-5L
Junction to ambient
23
o
AP1512/A Rev. 4
4 of 12
www.diodes.com
MAY 2008
? Diodes Incorporated
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