654
123
(TOP VIEW)
5
4
NCP694
HSON−6
SOT−89−5
456
3 21
(BOTTOM VIEW)
4
5
1
2
3
(TOP VIEW)
Figure 1. Pin Description
3
21
(BOTTOM VIEW)
PIN FUNCTION DESCRIPTION FOR SOT−89−5 PACKAGE
Pin No.
Pin Name
Description
1
ADJ/NC
Adjust pin for NCP694DADJHT1G and NCP694HADJHT1G / No connection
2
GND
Power supply ground
3
CE
This input is used to place the device into low−power standby. When this input is pulled low, the
device is disabled. If this function is not used, Enable should be connected to Vin.
4
Vin
Positive power supply input voltage.
5
Vout
Regulated output voltage.
PIN FUNCTION DESCRIPTION FOR HSON−6 PACKAGE
Pin No.
Pin Name
Description
1
Vout
Regulated output voltage
2
Vout
Regulated output voltage
3
ADJ / NC
Adjust pin for NCP694DSANADJT1G and NCP694HSANADJT1G / No connection
4
GND
Power supply ground
5
CE
This input is used to place the device into low power standby. When this input is pulled low, the
device is disabled. If this function is not used, Enable should be connected to Vin.
6
Vin
Positive power supply input voltage
Vin
Vout Vin
Vin
Vout Vin
Vout
Vout
Vref
Current Limit&
CE
Thermal Shutdown
CE
GND
Vref
Current Limit&
Thermal Shutdown
GND
Version H (NCP694HxxxxT1G)
Version D (NCP694DxxxxT1G)
Figure 2. Internal Block Diagram
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2