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参数资料
| 型号： | TS3410CX5RF |
| 元件分类： | 稳压器 |
| 英文描述： | 1.4 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | ROHS COMPLIANT, SOT-25, 5 PIN |
| 文件页数： | 1/10页 |
| 文件大小： | 457K |
| 代理商： | TS3410CX5RF |
TS3410
1A / 1.4MHz Synchronous Buck Converter
1/10
Version: C08
SOT-25
General Description
TS3410 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 250uA and drops to
<1uA in shutdown. The 2.5V to 6V input voltage range makes TS3410 ideally suited for single Li-Ion, two to four
AA battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in
portable systems. PWM pulse skipping mode operation provides very low output ripple voltage for noise sensitive
applications. Switching frequency is internally set at 1.4MHz, 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%
●
2.5V to 6V Input Voltage Range
●
Output Voltage from 0.6V to VIN
●
Short Circuit Protection (SCP)
●
Build in Soft-Start Function
●
1.4MHz Constant Frequency Operation
●
Up to 1A Output Current
●
Low Quiescent Current: 250uA (Typ.)
●
No Schottky Diode Required in Application
●
≤1uA Shutdown Current
●
Current Mode Operation for Excellent Line and
Load Transient Response
Application
●
Cellular Phones
●
Digital Still Cameras
●
Portable Electronics
●
USB Devices
Pin Description
Name
Description
EN
Power-off pin
H：normal operation
L：Step-down operation stopped
(All circuits deactivated)
GND
Ground pin
SW
Switch output pin. Connect external inductor
here. Minimize trace area at this pin to
reduce EMI.
VCC
IC power supply pin
FB
Output Feedback pin
Ordering Information
Part No.
Package
Packing
TS3410CX5 RF
SOT-25
3Kpcs/ 7” Reel
Application Circuit
VOUT = 0.6 * (1+R1/R2)
R2
300K
C1
4.7u
C2
10u
VOUT=1.8V
R2=100K~330K
L1
2.7uH
R1
600K
U1
AX3513
VIN
EN
GND
SW
FB
C3
15p
VIN=2.5V~6V
Pin Definition:
1. EN
2. Ground
3. Switching Output
4. Input
5. Feedback
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