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参数资料
| 型号： | AP1507-12D5L-U |
| 厂商： | Diodes Inc |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 12V 3A TO2522-5 |
| 标准包装： | 80 |
| 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 ~ 22 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-252-6，DPak（5 引线 + 接片） |
| 包装： | 管件 |
| 供应商设备封装： | TO-252-5 |
AP1507
150KHz, 3A PWM BUCK DC/DC CONVERTER
Electrical Characteristics (All Output Voltage Versions)
Unless otherwise specified, V IN = 12V for 3.3V, 5V, adjustable version and V IN = 18V 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 = 25°C.
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
-10
150
-50
-100
173
173
nA
KHz
V FB < 0.5V, T A = 25 C
F SCP
Oscillator Frequency of Short
Circuit Protect
When current limit Occurred and
o
10
30
50
KHz
I OUT = 3A
1.6
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
1.4
100
0
1.7
V
%
Peak Current
5.5
I CL
Current Limit
No Outside Circuit
3.6
4.5
A
V FB = 0V Force Driver On
6.5
I LEAK
Output = 0V
Output = -1V
Output
leakage
current
No Outside Circuit
V FB =12V Force Driver Off
V IN = 22V
-5
-200
μA
mA
I Q
I STBY
Quiescent Current
Standby Quiescent
Current
V FB = 12V Force Driver Off
ON/OFF Pin = 5V
V IN = 22V
5
70
10
150
200
mA
μA
V IL
V IH
ON/OFF Pin Logic Input Threshold Low (Regulator ON)
Voltage High (Regulator OFF)
-
2.0
1.3
0.6
-
V
I H
I L
ON/OFF Pin Logic Input Current
ON/OFF Pin Input Current
V LOGIC = 2.5V (OFF)
V LOGIC = 0.5V (ON)
-0.1
-0.01
-1
μA
C/W
θ JA
Thermal Resistance
TO252-5L
Junction to Case
10
o
C/W
θ JC
Thermal Resistance
with copper area of approximately TO252-5L
2cm ×2cm
Junction to
Ambient
50
o
AP1507
Document number: DS31067 Rev. 3 - 2
5 of 12
May 2012
? Diodes Incorporated
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| AP1507-33D5-13 | 功能描述:Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-252-6, DPak (5 Leads + Tab) 制造商:diodes incorporated 系列:- 包装:带卷（TR） 零件状态:有效 功能:降压 输出配置:正 拓扑:降压 输出类型:固定 输出数:1 电压 - 输入（最小值）:4.5V 电压 - 输入（最大值）:22V 电压 - 输出（最小值/固定）:3.3V 电压 - 输出（最大值）:- 电流 - 输出:3A 频率 - 开关:150kHz 同步整流器:无 工作温度:-20°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:TO-252-6，DPak（5 引线 + 接片） 供应商器件封装:TO-252-5 标准包装:2,500 |
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