NCP690, NCP691, NCP692
VIN
CIN
1 mF**
1,6
IN
OUT 4
3 EN* NCP692 SNS 5
GND
2, EPAD
VOUT
COUT
1 mF**
Note: * NCP692 device has EN active high
Note: ** Minimum value required for stability
Figure 1. NCP692 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
VIN
CIN
1 mF**
1,6
IN
4
OUT
3
NCP691
5
EN*
SNS
GND
2, EPAD
VOUT
COUT
1 mF**
Note: * NCP691 device has EN active low
Note: ** Minimum value required for stability
Figure 2. NCP691 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
VIN
CIN
1 mF*
1,6
IN
3
N/C
NCP690
GND
4
OUT
5
SNS
2, EPAD
VOUT
COUT
1 mF*
Note: * Minimum value required for stability
Figure 3. NCP690 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
VIN 3.3 V
VEN
CIN
1 mF**
1,6
IN
5
OUT
NCP691−ADJ/
NCP692−ADJ
3 EN*
4
ADJ
GND
2, EPAD
VOUT 2.5 V
R1
9.1 k
R2
9.1 k
COUT
1 mF**
Note: * NCP691−ADJ device has EN active low and
Note: * NCP692−ADJ device has EN active high
Note: ** Minimum value required for stability
Figure 4. NCP692 Typical Application Circuit for Adjustable Version
(Adjustable version for 1.25 V < VOUT ≤ 5.0 V)
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