SS6729
400mA Low-dropout Linear Voltage Regulator
with Voltage Detector Function
FEATURES
DESCRIPTION
Including MOSFET for V
, LDO for V
,
OUT1
OUT2
The SS6729 is a low dropout linear regulator
with voltage detection function.
voltage detector and shutdown control
Low dropout voltage of 550mV (typ.) at 400mA
output current (V
)
It can be divided into four main functional
blocks, including a MOSFET for VOUT1, an LDO
OUT2
Guaranteed 700mA output current for V
OUT1
and 400mA for V
OUT2
for VOUT2, a voltage detector and two shutdown
controls.
Low ground current of 120mA
Output voltage accuracy of 2% for V
Current limit function
OUT2
The voltage detector can be used to detect V
.
CC
The detecting voltage of the voltage detector
is from 3.0V to 4.6V in 0.1V steps, and the
Built-in voltage detector
Shutdown control for V
and V
OUT2
OUT1
output (D
) of the VCC voltage detection
OUT
has an adjustable delay time before indicating
. The user only needs to add one external
APPLICATIONS
V
CC
Volyage Regulator for DVD-ROM and CD-ROM
capacitor to implement it. When Vcc is below
the set detection voltage, DOUT is at logic-low.
Drives
Voltage Regulator for HDD and Floppy Drives
Voltage Regulator for circuits with Stepping
Motors or Servo Motors
VOUT1 is controlled by the SD1 pin. When SD1
is logic-high, the internal MOSFET for V
is
OUT1
switched off, and vice versa.
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Rev.2.02 3/21/2004
www.SiliconStandard.com
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