NCP4330
NCP4330 is Post Regulation Driver manufactured by onsemi.
Features
- Undervoltage Lockout
- Thermal Shutdown for Overtemperature Protection
- PWM Operation Synchronized to the Converter Frequency
- High Gate Drive Capability
- Bootstrap for N- MOSFET High- Side Drive
- Over- Lap Management for Soft Switching
- High Efficiency Post- Regulation
- Ideal for Frequencies up to 400 k Hz
- This is a Pb- Free Device http://onsemi.
MARKING DIAGRAM
8 1
SO- 8 D SUFFIX CASE 751
4330D ALYW
G 1
4330D = Device Number A = Assembly Location L = Wafer Lot Y = Year W = Work Week
G = Pb- Free Package
Typical Applications
- ATX 3V3 Post- Regulation
- Offline SMPS with MAGAMP Post- Regulation
- Multi- Outputs DC- DC Converters
VDD RST
Vref, UVDth
VDD Band- Gap
AR2
VDD Undervoltage Detection (UVD high if VDD < 4.9 V)
UVD HS_DRV and LS_DRV low
RESET Block
Level Shifter
Buffer
U1 INVERTER
BST HS_DRV
PIN CONNECTIONS
HS_DRV 1 BST 2 RST 3
C_ramp 4
8 GND 7 LS_DRV 6 VDD 5 I_ramp
(Top View)
ORDERING INFORMATION
Device...
