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TS2576CZ5 数据表(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

部件名 TS2576CZ5
功能描述  3A / 52KHz Buck Switching Regulator
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制造商  TSC [Taiwan Semiconductor Company, Ltd]
网页  http://www.taiwansemi.com
标志 TSC - Taiwan Semiconductor Company, Ltd

TS2576CZ5 数据表(HTML) 1 Page - Taiwan Semiconductor Company, Ltd

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TS2576
3A / 52KHz Buck Switching Regulator
1/8
Version: A07
TO-220-5L
TO-263-5L
(D
2PAK)
General Description
TS2576 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
adjustable output version.
TS2576 series operates at a switching frequency of 52kHz thus allowing smaller sized filter components than what
would be needed with lower frequency switching regulators. It substantially not only reduces the area of board size
but also the size of heat sink, and in some cases no heat sink is required. The ±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.
Ordering Information
Part No.
Package
Packing
TS2576CZ5xx C0
TO-220-5L
50pcs / Tube
TS2576CM5xx RN
TO-263-5L
800pcs / 13” Reel
Note: Where xx denotes voltage option, available are
50= 5.0V
33= 3.3V
Leave blank for adjustable version
Features
Output Voltage: 3.3V, 5V & Adjustable version
Adjustable Output Voltage Range 1.23V~37V ±4%
52kHz fixed switching frequency
Voltage Mode Non-synchronous PWM control
Thermal Shutdown and Current Limit Protection
ON/OFF Shutdown Control Input
High Efficiency
Short Circuit Protect (SCP)
Operating Voltage Can be up to 40V
Output Load Current 3A
Low Power Standby Mode
P+ Product Enhancement Tested
Application
Simple High-efficiency Step down Regulator
On-Card Switching Regulators
Positive to Negative Converter
Absolute Maximum Rating
Parameter
Symbol
Limit
Unit
Maximum Supply Voltage
VCC
+45
V
Recommend Operating Supply Voltage
VOP
4.5 to 40
V
SW, EN Pin Input Voltage
VSW, VEN
-0.3 to +25
V
Feedback Pin Voltage
VFB
-0.3 to +25
V
Power Dissipation
PD
Internally Limited
W
Output Voltage to Ground
VOUT
-1
V
Storage Temperature Range
TST
-65 to +150
oC
Operating Temperature Range
TOP
-40 to +125
oC
ESD Susceptibility (HBM)
2
kV
Pin Definition:
1. Input
2. SW Output
3. Ground
4. Feedback
5. Enable


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