ST763 STMICROELECTRONICS [STMicroelectronics], ST763 Datasheet
ST763
Manufacturer Part Number
ST763
Description
3.3V STEP DOWN CURRENT MODE PWM DC-DC CONVERTERS
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST763.pdf
(10 pages)
Available stocks
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Quantity
Price
Part Number:
ST763
Manufacturer:
ST
Quantity:
20 000
Part Number:
ST763ABD-TR
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
ST763ACD
Manufacturer:
ST
Quantity:
5 510
Company:
Part Number:
ST763ACD
Manufacturer:
AD
Quantity:
5 510
Part Number:
ST763ACD-TR
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
ST763ACDTR
Manufacturer:
IMI
Quantity:
6 245
DESCRIPTION
The ST763A is a step-down switching regulator . It
operates from 3.3V to 11V giving a fixed 3.3V
output voltage, delivering up to 500mA. The
mainly features are typical efficiency of 90%,
quiescent current of 0.6mA, and only 0.2 A in
shut-down.
The PWM current mode control provides precise
output regulation
response. Output voltage accuracy is guaranteed
to be
variations. A minimum number of external
SCHEMATIC DIAGRAM
November 2000
OUTPUT VOLTAGE 3.3V
SUPPLY VOLTAGE RANGE FROM 3.3V TO
11V
TYPICAL OPERATION FREQUENCY:
200KHz
VERY LOW QUIESCENT CURRENT: 0.6mA
ON MODE 0.2 A OFF MODE
SWITCH ON/OFF CONTROL
TYPICAL EFFICENCY: 90%
OPERATING TEMPERATURE RANGE:
-40°C TO 85°C
AVAILABLE IN SO-8 AND DIP-8 PACKAGES
GUARANTEED OUTPUT CURRENT: 500mA
5% over line, load and temperature
and
CURRENT MODE PWM DC-DC CONVERTERS
very
good
transient
components is used and the fixed frequency
switching allows easy filtering of output ripple and
noise.
Other features of this ddevice are cycle-by-clicle
current limiting, overcurrent limiting, under voltage
lockout and programmable soft-start protection.
A 22 H inductor works in most applications, so no
sophisticated design is necessary.
Typical application are in 5V to 3.3V converters,
cellular phones, portable instruments, hand-held
computers, and peripherals.
Package available are SO-8 and DIP-8.
DIP-8
3.3V STEP DOWN
ST763A
SERIES
SO-8
1/10
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