参数资料
| 型号： | AP1509-SL-U |
| 厂商： | Diodes Inc |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A 8SOIC |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 18 V |
| 输入电压： | 4.5 V ~ 22 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 150kHz |
| 电流 - 输出： | 2A |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOP |
AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
Electrical Characteristics
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 = 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
-10
150
-50
-100
173
173
nA
KHz
F SCP
Oscillator Frequency of
Short Circuit Protect
When current limit occurred
and V FB < 0.5V, T a = 25 o C
10
30
50
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
1.25
100
0
1.5
V
%
Peak current
I CL
Current Limit
No outside circuit
3
A
V FB = 0V force driver on
I L
Output = 0
Output = -1
Output
Leakage
Current
No outside circuit
V FB = 12V force driver off
V IN = 22V
-5
-200
uA
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
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
0.6
-
-0.01
V
uA
I L
ON/OFF Pin Input Current V LOGIC = 0.5V (ON)
-0.1
-1
C/W
θ JA
Thermal Resistance SOP-8L
Junction to
case
15
o
approximately 3 in
C/W
θ JC
Thermal Resistance
with a copper area of
2
SOP-8L
Junction to
ambient
70
o
AP1509
Document number: DS31016 Rev. 4 - 2
5 of 13
June 2010
? Diodes Incorporated
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