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LTC3406-1.2

Features: High Efficiency: Up to 90% Very Low Quiescent Current: Only 20µA 600mA Output Current at VIN = 3V 2.5V to 5.5V Input Voltage Range 1.5MHz Constant Frequency Operation No Schottky Diode Required Shutdown Mode Draws < 1µA Supply Current Current Mode Operation for Excellent ...

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SeekIC No. : 004402210 Detail

LTC3406-1.2: Features: High Efficiency: Up to 90% Very Low Quiescent Current: Only 20µA 600mA Output Current at VIN = 3V 2.5V to 5.5V Input Voltage Range 1.5MHz Constant Frequency Operation No Schottky Di...

LTC3406-1.2 Data Sheet

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Part Number:
LTC3406-1.2
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

High Efficiency: Up to 90%
Very Low Quiescent Current: Only 20µA
600mA Output Current at VIN = 3V
2.5V to 5.5V Input Voltage Range
1.5MHz Constant Frequency Operation
No Schottky Diode Required
Shutdown Mode Draws < 1µA Supply Current
Current Mode Operation for Excellent Line and Load Transient Response
Overtemperature Protected
Low Profile (1mm) ThinSOTTM Package


Application

Cellular Telephones
Personal Information Appliances
Wireless and DSL Modems
Digital Still Cameras
MP3 Players
Portable Instruments


Pinout

Connection Diagram


Specifications

Input Supply Voltage ...................................... 0.3V to 6V
RUN, VOUT Voltages....................................... 0.3V to VIN
SW Voltage (DC) .............................. 0.3V to (VIN + 0.3V)
P-Channel Switch Source Current (DC) .................... 800mA
N-Channel Switch Sink Current (DC) ........................ 800mA
Peak SW Sink and Source Current (VIN = 3V)............... 1.3A
Operating Temperature Range (Note 2) .. 40°C to 85°C
Junction Temperature (Notes 3, 5) .......................... 125°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................... 300°C


Description

The LTC®3406-1.2 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supply current during operation with only 20µA drops <1µA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3406-1.2 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Automatic Burst Mode operation further increases efficiency at light loads.

Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. The LTC3406-1.2 is available in a low profile (1mm) ThinSOT package.




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