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TS2596S Schematic ( PDF Datasheet ) - Taiwan Semiconductor Company

Teilenummer TS2596S
Beschreibung 2A / 150KHz Buck Dc-Dc Converter
Hersteller Taiwan Semiconductor Company
Logo Taiwan Semiconductor Company Logo 




Gesamt 10 Seiten
TS2596S Datasheet, Funktion
TS2596S
2A / 150KHz Buck Dcww-Dw.DcataCShoeent4vU.ecormter
TO-252-5L
(PPAK)
Pin Definition:
1. Input
2. SW Output
3. Ground
4. Feedback
5. Enable
SOP-8
Pin Definition:
1. Input
2. SW Output
3. Feedback
4. Enable
5. 6. 7. 8. Ground
General Description
TS2596S Series are step-down switching regulators with all required active functions. It is capable of driving 2A load
with excellent line and load regulations. These devices are available in fixed output voltages of 3.3V, 5V, and an
adjustable output version.
TS2596S 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 70µA (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~19.5V
±4%
150KHz ±15% fixed switching frequency
Voltage Mode Non-synchronous PWM control
Thermal Shutdown and Current Limit Protection
ON/OFF Shutdown Control Input
Soft-start (SS) Function
Short Circuit Protect (SCP)
Operating Voltage Can be up to 24V
Output Load Current 2A
Low Power Standby Mode
Absolute Maximum Rating
Parameter
Supply Voltage
Operating Voltage Range
SW, EN Pin Input Voltage
Feedback Pin Voltage
Power Dissipation
Output Voltage to Ground
Storage Temperature Range
Operating Temperature Range
Ordering Information
Part No.
Package
Packing
TS2596SCP5xx RO TO-252-5L 2.5Kpcs / 13” Reel
TS2596SCSxx RL
SOP-8 2.5Kpcs / 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
Symbol
VCC
VOP
VSW, VEN
VFB
PD
VOUT
TST
TOP
Limit
+28
+4.5 to +24
-0.3 to VCC
-0.3 to VCC
Internally Limited
-1
-65 to +150
-40 to +125
Unit
V
V
V
V
W
V
oC
oC
1/10 Version: A07






TS2596S Datasheet, Funktion
Electrical Characteristics Curve
TS2596S
2A / 150KHz Buck Dcww-Dw.DcataCShoeent4vU.ecormter
Figure 1 – Vout vs. Vin
Figure 2 – Quiescent Current vs. Vin
Figure 3 – Frequency vs. Vin
Figure 4 – Frequency vs. Temperature
Figure 5 – Feedback Voltage vs. Temperature
Figure 6 – Quiescent Current vs. Temperature
6/10 Version: A07

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