参数资料
型号: ZXRD060FK-7
厂商: Diodes Inc
文件页数: 8/12页
文件大小: 0K
描述: IC VREF SHUNT PREC 10-DFN2626P
标准包装: 1
基准类型: 旁路,可调节,精度
输出电压: 0.2 V ~ 18 V
容差: ±1%
输入电压: 2 V ~ 18 V
通道数: 2
电流 - 阴极: 300µA
电流 - 输出: 15mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-UFDFN 裸露焊盘
供应商设备封装: 10-DFN2626P
包装: 标准包装
其它名称: ZXRD060FK-7DKR
A Product Li ine of
Dio odes Incorpo orated
SH
ZXRD060
0.6V DUA L ADJUSTA ABLE PRE CISION HUNT REG GULATOR
Applicatio ons Informa ation (cont. .)
V OUT = V REF ? 1 +
?
?
?
R1 ?
R 2 ?
( V OUT ≥ 0 . 2 V + V BE )
Fig.7 1V Cur rrent-Booste ed Shunt Reg gulator
Design gu ide
R 3 =
V I N ? VOUT
I R 3
1.
2.
Determi ine I OUT and ch hoose a suitable e transistor tak king power diss sipation into co nsideration.
Determi ine I B from I B = I OUT (max)
( h FE (min) + 1 )
3.
Determi ine I R3 from
I R 3 = I OUT (max)
4.
Determi ine R3 from
R 3 =
VIN ? VOUT
I R 3
5.
6.
st nt
It is bes to let the ZXR RD060 supply as much curren as it can bef fore bringing Q 1 into conducti ion. Not only do oes this
<15mA for this current t, I R4 .
Calculat te R4 from R 4 = VBE
I R 4
minimis e the strain on Q1, it also gua arantees the most stable ope ration. Choose a nominal val ue between 10 0mA and
V OUT goes low and LED1 is lit when monitored supply
V M > V REF ? 1 +
?
?
?
R1 ?
R 2 ?
R 3 =
VIN ? ( VF + 0 . 2 )
I R 3
15 mA ≥ I R 3 ≤ I F ( MAX )
V F and I F are fo orward voltage dr rop and current o of LED1.
Fig. 8 1.15V Over r-Voltage Ind dicator
ZXRD060
Document number r: DS35359 Rev. 4 - 2
8 of 12
August 2011
? Dio odes Incorporated
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