NCP1573
NCP1573 is Low Voltage Synchronous Buck Controller manufactured by onsemi.
Features
- 0.980 V ± 1.0% Reference Voltage
- V2 Control Topology
- 200 ns Transient Response
- Power Good
- Programmable Power Good Delay
- 40 ns Gate Rise and Fall Times (3.3 n F Load)
- Adaptive FET Non- Overlap Time
- Fixed 200 k Hz Oscillator Frequency
- On/Off Control Through Use of the P Pin
- Overvoltage Protection through Synchronous MOSFETs
- Synchronous N- Channel Buck Design
- Dual Supply, 12 V Control, 2- 7 V Power Source http://onsemi.
8 1
SO- 8 D SUFFIX CASE 751
PIN CONNECTIONS AND MARKING DIAGRAM
1 VCC PWRGD PGDELAY P
1573 ALYW
8 GND
VFB GATE(L) GATE(H)
A = Assembly Location L = Wafer Lot Y = Year W = Work Week
ORDERING INFORMATION
Device
Package
Shipping
NCP1573D
SO- 8
98 Units/Rail
NCP1573DR2
SO- 8 2500 Tape & Reel
© Semiconductor ponents Industries, LLC, 2006
July, 2006
- Rev. 4
Publication Order Number NCP1573/D
12 V PWRGD VLOGIC
R1 50 k
C4
0.47...
