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参数资料
| 型号： | ZXRD060FK-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 7/12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
ty
The following show some ypical applicat tion examples for the ZXRD D060. It is reco ommended to include the c ompensation
capacitor C2 to o guarantee st ability. C2 may y range in value e from 0.1μF to o 10μF depend ding on the app plication. The t time constant
formed by C2 and R3 should be greater tha an 1ms multipli ed by the feed back factor R2 2/(R1 + R2).
Both C1 and C2 should be as close to the ZXRD060 as possible and connected to it with the sho ortest possible track. In the
case of fig 9 an nd fig10, it mea ans the opto-co oupler will have e to be carefull y positioned to o enable this.
V IN ? V OUT
V OUT = V REF ? 1 +
?
V IN ? V OU
UT
V OU = V REF
R 3 =
I R 3
Fig.3 0.6V Shunt Regula ator
? R1 ?
? R 2 ?
R 3 =
I R 3
Fig.4 1.0V Shunt Regulator
V OUT = V REF ? 1 +
?
UT
V OU = V REF
?
?
R1 ?
R 2 ?
Fi ig.5 0.6V Ser ries LDO reg ulator
Design gui de
LD
Fig.6 1.0 0V Series DO regulator
1.
2.
Determin ne I OUT and cho oose a suitable e transistor taki ng power dissi ipation into con nsideration.
Determin ne I B from I B = I OUT (max)
( h FE (min) + 1 )
3.
Determin ne I R3 from
I R 3 ≥ I B + I KA (min) .
Th he design of th e ZXRD060 eff ffectively mean s there is no I K KA(min) limitation as in
conventi onal reference es. There is only an output lea akage current which is a maxi imum of 1μA. Nevertheless, it is
necessa ry to determine e an I KA(min) to e ensure that the device operat es within its lin ear range at al ll times. I KA(min) ≥ 10μA
should b be adequate for r this.
4.
5.
Determin ne R3 from R 3 = V IN ? ( V OUT + V B B E ) .
I R 3
Although h unlikely to be a problem, en sure that I R3 ≤ 15 mA.
ZXRD060
Document number r: DS35359 Rev. 4 - 2
7 of 12
August 2011
? Dio odes Incorporated
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