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参数资料
| 型号： | FPF2702MX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC LOAD SWITCH 0.4-2A OCP 8SOIC |
| 标准包装： | 2,500 |
| 系列： | AccuPower™ |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 114 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 可调 |
| 输入电压： | 2.8 V ~ 36 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
Typical Operation Characteristics of FPF2700 and FPF2701
When V OUT <2 V, the current limit is set to 75% of I LIM .
5V
V ON
0V
V IN
V OUT
2V
0V
Slew rate limited turn-on
t RISE = 7.5ms
I OUT
I LIM
Turn-on delay
t DON = 2.7ms
Figure 23. Normal Startup to 0.5X I LIM
V IN
V IN
2V
V OUT
2V
0V
12A
Switch turned off due to the
0V
12A
Current limited
expiration of t BLANK (FPF2700,
operation at
down is not shown
I OUT
I LIM
0.75x I LIM
OUT shorted to GND
Current limited
FPF2701) or due to over-heating
0.75xI LIM
NOTE: Auto-restart after
t RESTART (FPF2700) or
t BLANK or restart after cooling
Thermal Shutdown
Switch turns back ON and enters current
I OUT
I LIM
Load
demanding
operation at I SET
t BLANK or
Thermal
Shutdown
NOTE: Auto-restart after
t RESTART (FPF2700) or
restart after cooling down
is not shown
(75% of I SET )
and switch immediately
turned OFF
limited operation at short circuit current limit
Turn-on delay is similar
1.5X I SET
Switch turned off due to the
expiration of t BLANK (FPF2700,
to normal t DON ~ 2.7ms
FLAGB
Figure 24. OUT Shorted to GND, Short Condition
Persists (SOA Protection Followed by Current-Limited
Operation)
V IN
FPF2701) or due to over-heating
FLAGB
Figure 25. OUT Overloaded with 1.5X I LIM
(Long-Duration Overload)
V OUT
2V
0V
12A
Rise time t R ~
7.5ms
Turn-on delay is
V OUT
V IN
2V
0V
12A
similar to normal
t DON ~ 2.7ms
I OUT
I SET
Normal operation
I OUT
I SET
Normal operation
OUT shorted to GND
and switch immediately
turned OFF
Switch turns back ON
and enters normal
operation
Output Load current
demanding 1.5X I SET
Load demanding I=1.5X I SET
removed from OUT before the
expiration of t BLANK (FPF2700,
FPF2701) or before over-heating
FLAGB
Figure 26. OUT Shorted to GND, Short Condition
Removed (SOA Protection Followed by
Normal Operation)
? 2010 Fairchild Semiconductor Corporation
FPF2700 / FPF2701 / FPF2702 ? Rev. 1.0.3
8
FLAGB
Figure 27. OUT Overloaded with 1.5X I LIM
(Transient Overload)
www.fairchildsemi.com
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