NCP4672 Datasheet, PDF (1/8 Pages) ON Semiconductor – Dual Linear Voltage Regulators with Vin and Vout Voltage Detector

NCP4672
Dual Linear Voltage
Regulators with V_in and V_out
Voltage Detector
The NCP4672 is a dual linear voltage regulator with input voltage
and output voltage detectors. This part is useful in systems where
multiple voltages are required such as for core and I/O. The NCP4672
is very accurate at 2% over full input voltage and full load current. The
NCP4672 eliminates the need for external voltage supervision due to
the two built in voltage detectors. The voltage detector on the input is
set to 7.0 V. The output voltage detector is for channel 1 and is set to
2.9 V. An external capacitor is used to set the duration of this reset
signal. Other features include short circuit protection and thermal
shutdown protection. The NCP4672 has been designed to work with a
4.7 mF output capacitor having an ESR between 0.1 W and 5.0 W.
8
1
http://onsemi.com
SOIC−8
NB SUFFIX
CASE 751
MARKING
DIAGRAM
8
4672G
ALYW
1
Features
• Accuracy: 2% at Full Voltage and Load
• Excellent Ripple Rejection: 70 dB @ 1 kHz
• Voltage Detector for Input Voltage
• Voltage Detector for Output Voltage
• Programmable Delay of Reset Signal
• Thermal Short Circuit Protection
• This is a Pb−Free Device
Typical Application
• Small Core and I/O Power
• Consumer Equipment
• Measurement Equipment
• Industrial Equipment
4672G = Specific Device Code
A
= Assembly Location
L
= Wafer Lot
YW = Date Code
PIN CONFIGURATION
V_in Rst 1
V_out Rst 2
C_D 3
V_in 4
8 ^Vout1
7 GND1
6 GND2
5 V_out2
(Top View)
V_in RST
10 KW
V_in
V_in Rst V_out1
V_out Rst GND1
10 nF
C_D
GND2
V_in
V_out2
V_out2
V_in
C_in
0.1 mF
C_out2
4.7 mF
ORDERING INFORMATION
V_out1
C_out2
4.7 mF
Device
NCP4672DR2G
Package
SOIC−8
(Pb−Free)
Shipping^†
2500 Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Figure 1. Typical Application Circuit
© Semiconductor Components Industries, LLC, 2004
1
February, 2004 − Rev. 4
Publication Order Number:
NCP4672/D