参数资料
| 型号： | KA378R33TU |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V 3A TO-220F-4 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 35V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 工作温度： | -20°C ~ 80°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-4 整包 |
| 供应商设备封装： | TO-220FL |
| 包装： | 管件 |
www.fairchildsemi.com
KA378R33
Low Dropout Voltage Regulator
Features
Description
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?
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3A / 3.3V Output low dropout voltage regulator
TO220 Full-Mold package (4PIN)
Overcurrent protection, Thermal shutdown
Overvoltage protection, Short-Circuit protection
With output disable function
The KA378R33 is a low-dropout voltage regulator suitable
for various electronic equipments. It provide constant volt-
age power source with TO-220 4 lead full mold package.
Dropout voltage of KA378R33 is below 0.5V in full rated
current(3A). This regulator has various function such as
peak current protection, thermal shut down, overvoltage pro-
tection and output disable function.
TO-220F-4L
1
1. Vin 2. Vo 3. GND 4. Vdis
Internal Block Diagram
Vin
1
THERMAL SHUTDOWN
BANDGAP REFERENCE
-
OVERVOLTAGE
PROTECTION
2
Vo
+
R1
SOA PROTECTION
HIGH / LOW
OUTPUT
Vdis
4
-
ON / OFF
+
SHORT-CIRCUIT
1.4V
SHORTCIRCUIT
PROTECTION
R2
3
Rev. 1.0.1
?2001 Fairchild Semiconductor Corporation
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