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Schematic for the NCP692, 1A, Adjustable Output Voltage LDO Demonstration Board
06-MAY-09
NCP692, 1A, Adjustable Output Voltage LDO Schematic View
06-MAY-09
www.BDTIC.com/ON/
Page 1 of 2
www.onsemi.com
Schematic for the NCP692, 1A, Adjustable Output Voltage LDO Demonstration Board
The table below shows the example values of R1, R2 resistors for some typical Output Voltages:
Desired Output
Voltage [V]
1.50
1.80
2.50
2.70
3.30
3.60
5.00
Feedback Resistors Set Output
Output Voltage Resistor Divider
R1 [kΩ] R2 [kΩ] Voltage [V] Error [mV]
Current IDIV [µA]
2
10
1.5000
125
0
1.6
3.6
1.8055
347
+ 5.5
9.1
9.1
2.5000
137
0
3.9
3.3
2.7300
378
+ 27.3
15
9.1
3.3104
137
+ 10.4
6.8
3.6
3.6111
347
+ 11.1
30
10
5.0000
125
0
Please also note that the feedback resistors should be chosen to satisfy the minimum output current requirement,
which is 100µA.
06-MAY-09
www.BDTIC.com/ON/
Page 2 of 2
www.onsemi.com
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