参数资料
| 型号： | AP2337SA-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC LOAD SWITCH INTEGRATED SOT23 |
| 标准包装： | 1 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 140 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 1A |
| 输入电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 标准包装 |
| 其它名称： | AP2337SA-7DIDKR |
AP2337
1.0A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
Recommended Operating Conditions
Symbol
V IN
I OUT
T A
Parameter
Input voltage
Output Current
Operating Ambient Temperature
Min
2.7
0
-40
Max
5.5
1.0
85
Units
V
A
° C
Electrical Characteristics (T A = 25 o C, V IN = +5.0V, unless otherwise stated)
Symbol
Parameter
Test Conditions (Note 3)
Min
Typ.
Max
Unit
V UVLO
I Q
I REV
R DS(ON)
Input UVLO
Input quiescent current
Reverse leakage current
Switch on-resistance
V IN rising
Above UVLO, I OUT = 0
V IN = 0V, V OUT = 5V, I REV at V IN
V IN = 5V, I OUT = 1A
2.00
65
0.01
110
2.65
110
0.1
140
V
μ A
μ A
m ?
V IN = 3.3V, I OUT = 1A
140
170
I LIMIT
I OS
Over-load current limit
Short-circuit current
V IN = 5V, V OUT = 4V, C L =10 μ F
OUT connected to ground, C L =10 μ F
1.1
0.2
1.5
0.6
1.9
1.0
A
A
T SHORT Short-circuit response time
From V OUT < 0.6V to I OUT = 0A (OUT shorted to
GND) (See Figure. 1)(Note 7)
5
μ s
I ROCP
Reverse current limit
Above UVLO
0.3
0.5
0.7
A
T Trig
Deglitch time from reverse current
trigger to MOSFET turn off
0.6
ms
V OVP
T OVP
T ON
T DIS
T SHDN
T HYS
Output over-voltage trip point
Debounce time from output over-
voltage to MOSFET turn off
Output turn-on time (Note 5)
Discharge time
Thermal shutdown threshold
Thermal shutdown hysteresis
Above UVLO (Note 4)
C L = 1 μ F, R load = 5 ? (UVLO to 90% V OUT-NOM )
C L = 1 μ F, from UVLO to V OUT < 0.3V
110%
1
15
500
150
20
120%
4
V IN
μ s
ms
μ s
° C
° C
θ JA
Thermal Resistance Junction-to-
Ambient
(Note 6)
180
o
C/W
Notes:
3. Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
4. During output over-voltage protection, the output draws approximately 60μA current.
5. Since the output turn-on slew rate is dependent on input supply slew rate, this limit is only applicable for input supply slew rate between 5V/0.2ms to
5V/1ms.
6. Device mounted on FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout.
7. Applicable for output voltage slew rate ≤ 5V/30 μ s.
Figure 1. Short Circuit Response Time
AP2337
Document number: DS35060 Rev. 2 - 2
3 of 10
October 2011
? Diodes Incorporated
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