參數(shù)資料
型號(hào): HA16121FPJ
廠商: Hitachi,Ltd.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁(yè)數(shù): 9/34頁(yè)
文件大?。?/td> 250K
代理商: HA16121FPJ
HA16116FP/FPJ, HA16121FP/FPJ
9
2. DC/DC Converter Output Voltage Setting and Error Amp Usage
2.1 Positive Voltage Booster (V
O
> V
IN
) or Step-Down (V
IN
> V
O
> Vref)
V
O
=
Use
R
1
+ R
2
R
2
Vref (V)
Booster output is possible only at channel 2 of HA16121. For step-down output, both channels of
HA16116 or channel 1 of HA16121 are used.
+
CH2
Vref
2.5 V
R
1
R
2
+
CH1
R
1
R
2
V
O
IN(+)1
IN(
)1
IN(
)2
Error amp.
Vref pin
(internal connection)
V
O
Figure 2.1
2.2 Negative Voltage (V
O
< Vref) for Inverting Output
V
O
=
Vref
R
3
+ R
4
R
3
R
1
R
1
+ R
2
1 (V)
Use
Channel 1 is used for inverting output on both ICs.
+
CH1
R3
R
4
V
O
IN(
)1
Error amp
IN(+)2
R
1
R
2
Vref pin
Vref 2.5 V
Figure 2.1 Inverting Output
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