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1a variable/fixed output ldo regulatorsrohm的二次ldo稳压器系列能够使正在追求小型化、节能化的各种装置充分地发挥其性能，构成低噪声而又稳定工作的电源电路。用于局部电源的1a固定输出二次ldo稳压器系列，是输出电压精度为±2%、最大可提供1.0a输出电流的低饱和型稳压器。利用多种输出电压、表面贴装（to252）和插入式（to220fp/cp）两种封装形式、输出电压是否可调（adj）及1.5v～10v的输出电压相互组合，形成了类型丰富的产品阵容。可广泛应用于tv、hdd、pc、dvd等等。本系列产品内置有防止输出短路等原因损毁ic的过流保护电路、防止过负荷状态等产生的热破坏ic的温度保护电路。
本产品不建议使用于车载设备。
主要规格
特性：
ch
1
withstand voltage (max.)[v]
18
vin(min.)[v]
4.3
vin(max.)[v]
16
iout(max.)[a]
1
vout type
fixed
vout accuracy
±2.0% (ta=25℃)
circuit current[ma]
0.5
dropout voltage (typ.)[v]
0.3(io=0.2a)
ripple rejection [db]
55
load regulation[mv]
35(io=0 to 1a)
output capacitor[µf]
22
shutdown function
no
thermal shut-down
yes
over current protection
yes
over voltage protection
no
under voltage lock out
no
discharge function
no
soft start
no
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
105
特点：
・最大输出电流1a・输出电压精度±2%
・pnp输出低饱和电压型
reference design / application evaluation kit
-
- reference design - refpdt001
- integrating battery charging algorithm, 2.5kw llc dcdc converter
the refpdt001 evk is a digital design platform for 2.5kw dc/dc convertor based on full bridge llc topology with an output 55v/ 45a with an input dc bus volatge of 380v. the evk supports battery charging alogrithm with constant voltage and constant curnt operation to be used with 48v lithum ion battery.
- constant current operation
- constant voltage operation
- output over voltage protection
- output over current protection
- reverse battery protection
- can communication
- rs485 communication
- lcd interface
