CONT
SD1
V
FB
V
OUT
STEP-UP
VD1
VD1
OUT
SENSE
VD2
VD2
OUT
V
SS
Low Current PWM Step-Up Switching Regulator
Features Two Independent Voltage Detectors!
(Only $1.18 @ 1K...Immediate Delivery from Stock!)
V
FB
V
IN
V
OUT
(see table)
S-8310
Sense
On/Off Shutdown
s
VD1
OUT
VD2
OUT
Model
S-8310AFE-T2
S-8310CFE-T2
S-8310DFE-T2
V
OUT
3.0V
3.0V
2.7V
VD1
2.2V
2.2V
2.2V
VD2
0.9V
1.1V
1.0V
s
s
s
s
s
s
s
s
s
s
s
s
s
s
Low current consumption:
Operation = 23 microamps (no load)
Shutdown = 2 microamps
Wide input voltage range: 0.9V
to 10.0V
Output voltage regulation ±2.4%
Output current up to 50mA
Two voltage detectors
PWM circuit @ 50kHz
Shutdown function to extend
battery life
Internal current limiting circuit
Toper = -40˚C to +85˚C
8 pin SOP pkg. = 5.2 x 4.4 x 1.5mm
Only $1.18 @ 1K!
The S-8310 PWM switching regulator
s
consists of a reference voltage source,
For longer battery life in your design,
a RC oscillator, and two independent
visit us at
www.seiko-usa-ecd.com
voltage detectors. VD1 monitors the
output voltage, and VD2 can detect
Immediate delivery from stock!
any voltage by connecting the Sense
Order your S-8310 today:
terminal. The power of the voltage
ALL AMERICAN 800-573-ASAP
detectors is supplied by V
OUT
. When
REPTRON
800-800-5441
V
OUT
is below VD1 and VD2, the
SCHUSTER
800-877-6875
voltage detectors are not in operation.
STERLING
800-745-5500
Also, the two voltage detectors
operate independently of the on/off
shutdown function.
Pager and cell phone
Portable data terminal
Power for portable equipment
IC voltage supply from 1.5V
battery
H/PC = Handheld PC
Seiko Instruments Is #1 In Low Current Consumption.
Seiko Instruments USA Inc.
Electronic Components Division
2990 West Lomita Blvd., Torrance, CA 90505
Phone: (310) 517-7771 FAX: (310) 517-7792