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PDF TS3420CX6 Data sheet ( Hoja de datos )
| Número de pieza | TS3420CX6 | |
| Descripción | 2A 1.25MHz Synchronous Buck Converter | |
| Fabricantes | Taiwan Semiconductor | |
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TS3420
2A, 1.25MHz Synchronous Buck Converter
SOT-26
Pin Definition:
1. EN
2. Ground
3. Switching Output
4. Input
5. Ground
6. Feedback
General Description
TS3420 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode
architecture. The device is available in an adjustable version. Supply current with no load is 200uA and drops to
<1uA in shutdown. The 2.8V to 5.5V input voltage range makes TS3420 ideally suited for single Li-Ion, two to
three AA battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in
portable systems. Switching frequency is internally set at 1.25MHz, allowing the use of small surface mount
inductors and capacitors. The internal synchronous switch increases efficiency and decreases need of an external
schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage.
Features
● High Efficiency: Up to 96%
● 2.8V to 5.5V Input Voltage Range
● Output Voltage from 0.6V to VIN
● Short Circuit Protection (SCP)
● Build in Soft-Start Function
● 1.25MHz Constant Frequency Operation
● Up to 2A Output Current
● No Schottky Diode Required in Application
● ≤1uA Shutdown Current
● Current Mode Operation for Excellent Line and
Load Transient Response
Ordering Information
Part No.
Package
Packing
TS3420CX6 RFG SOT-26 3Kpcs/ 7” Reel
Note: “G” denote for Halogen Free Product
Application
● Cellular Phones
● Digital Still Cameras
● Portable Electronics
● USB Devices
Pin Description
Name
EN
GND
SW
VCC
FB
Description
Power-off pin
H：normal operation
L：Step-down operation stopped
Ground pin
Switch output pin. Connect external inductor
here. Minimize trace area at this pin to
reduce EMI.
IC power supply pin
Output Feedback pin
Application Circuit
1/9 Version: A12
1 page  
TS3420
2A, 1.25MHz Synchronous Buck Converter
Electrical Characteristics Curve
Figure 1. Output Voltage vs. Input Voltage
Figure 2. Load Regulation (VOUT=3.3V)
Figure 3. Quiescent Current vs. Input Voltage Figure 4. Switching Frequency vs. Input Voltage
Figure 5. Output Voltage vs. Temperature
Figure 6. Quiescent Current vs. Temperature
5/9 Version: A12
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TS3420CX6.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TS3420CX6 | 2A 1.25MHz Synchronous Buck Converter | Taiwan Semiconductor |
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