NCP1402_06 ONSEMI [ON Semiconductor], NCP1402_06 Datasheet - Page 2

• Manufacturer Part Number: NCP1402_06
• Description: 200 mA, PFM Step−Up Micropower Switching Regulator
• Manufacturer: ONSEMI [ON Semiconductor]

PIN FUNCTION DESCRIPTIONS
Pin #
1
2
3
4
5
GND
OUT
NC
2
3
4
Symbol
GND
OUT
CE
NC
LX
REFERENCE
VOLTAGE
V
Figure 1. Typical Step−Up Converter Application
Chip Enable pin
(1) The chip is enabled if a voltage which is equal to or greater than 0.9 V is applied
(2) The chip is disabled if a voltage which is less than 0.3 V is applied
(3) The chip will be enabled if it is left floating
Output voltage monitor pin, also the power supply pin of the device
No internal connection to this pin
Ground pin
External inductor connection pin to power switch drain
in
−
+
Figure 2. Representative Block Diagram
COMPARATOR
1 CE
OUT
PFM
NC
CE
2
1
3
SOFT−START
http://onsemi.com
NCP1402
NCP1402
2
GND
LX
V
5
4
LX
LIMITER
CONTROLLER
OSCILLATOR
PFM
PFM
DRIVER
Pin Description
V
OUT
SWITCH
POWER
LX
5