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TS2596 Schematic ( PDF Datasheet ) - Taiwan Semiconductor

Teilenummer TS2596
Beschreibung 3A Step Down Switching Voltage Regulator
Hersteller Taiwan Semiconductor
Logo Taiwan Semiconductor Logo 




Gesamt 9 Seiten
TS2596 Datasheet, Funktion
TO-220-5L
TS2596
3A / 150KHz Buck Dc-Dc Converter
TO-263-5L
(D2PAK)
Pin Definition:
1. Input
2. SW Output
3. Ground
4. Feedback
5. Enable
General Description
The TS2596 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 TS2596 series operates at a switching frequency of 150kHz 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 100µA (typical) standby current. The output
switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault
conditions.
Features
Output Voltage: 3.3V, 5V & Adjustable version
Adjustable Output Voltage Range 1.23V~38.5V
150KHz 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
Built-in switching transistor on chip
Ordering Information
Part No.
Package
Packing
TS2596CZ5xx C0 TO-220-5L
50pcs / Tube
TS2596CM5xx 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
Application
Simple High-efficiency Step down Regulator
On-Card Switching Regulators
Positive to Negative Converter
Absolute Maximum Rating
Parameter
Maximum Supply Voltage
Recommend Operating Supply Voltage
SW, EN Pin Input Voltage
Feedback Pin Voltage
Power Dissipation
Output Voltage to Ground
Storage Temperature Range
Operating Temperature Range
ESD Susceptibility (HBM)
Symbol
VCC
VOP
VSW, VEN
VFB
PD
VOUT
TST
TOP
Limit
+45
+4.5 to +40
-0.3 to +40
-0.3 to +12
Internally Limited
-1
-65 to +150
-40 to +125
2
Unit
V
V
V
V
W
V
oC
oC
kV
1/9 Version: E13






TS2596 Datasheet, Funktion
Electrical Characteristics Curve
TS2596
3A / 150KHz Buck Dc-Dc Converter
Figure 1. Output Ripple
(VIN=12V, VOUT=5V, IO=3A)
Figure 2. Power On Test Wave
(VIN=12V, VOUT=5V, IO=3A)
Figure 3. Load Transient Response
(VIN=12V, VOUT=5V, IO=0.2~3A)
Figure 4. EN On Test Wave
(VIN=12V, VOUT=5V, IO=3A)
Figure 5. Efficiency
6/9
Figure 6. Efficiency
Version: E13

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