CM2576CN220 CHAMP [Champion Microelectronic Corp.], CM2576CN220 Datasheet
CM2576CN220
Manufacturer Part Number
CM2576CN220
Description
3A STEP DOWN VOLTAGE REGULATOR
Manufacturer
CHAMP [Champion Microelectronic Corp.]
Datasheet
1.CM2576CN220.pdf
(12 pages)
GENERAL DESCRIPTION
The CM2576 series are step-down switching regulators with
all required active functions. It is capable of driving 3A load
with excellent line and load regulations. These devices are
available in fixed output voltages of 3.3V, 5V, and an
adjustable output version.
The CM2576 series offers a high-efficiency replacement for
popular three-terminal linear regulators. Also it requires a
minimum number of external components. It substantially not
only reduces the area of board size but also the size of the
heat sink, and in some cases no heat sink is required.
±4% tolerance on output voltage within specified input
voltages and output load conditions is guaranteed. Also, the
oscillator frequency accuracy is within ±10%. External
shutdown is included, featuring 70µA (typical) standby current.
The output switch includes cycle-by-cycle current limiting, as
well as thermal shutdown for full protection under fault
conditions.
APPLICATIONS
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ORDERING INFORMATION
2003/08/07
LCD Monitors
ADD-ON Cards Switching Regulators
High Efficiency Step-Down Regulators
Efficient Pre-regulator for Linear Regulators
CM2576ZJCN220
CM2576SCN220
CM2576CN220
TO-220
Preliminary
Package Type
Rev. 1.1
CM2576ZJCN263
CM2576SCN263
CM2576CN263
TO-263
Champion Microelectronic Corporation
3A S
FEATURES
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Guaranteed 3A output current
3.3V, 5V, and adjustable versions
Wide input voltage range, up to 40V
Internal oscillator of 52KHz fixed frequency
Wide adjustable version output voltage range, from
1.23V to 37V±4% max over line and load conditions
Low standby current, typ. 70µA, at shutdown mode
Requires only 4 external components
Thermal shutdown and current limit protection
P+ product enhancement tested
TEP
Temperature Range
-40℃ ~ +125℃
-40℃ ~ +125℃
-40℃ ~ +125℃
D
OWN
V
OLTAGE
Output Voltage
R
ADJ.
CM2576
3.3V
5.0V
EGULATOR
Page 1
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