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LTC3400-1

Features: Up to 92% Efficiency Generates 3.3V at 100mA from a Single AA Cell Low Start-Up Voltage: 0.85V VOUT Connected to VIN in Shutdown Internal Synchronous Rectifier 2.5V to 5V Output Range Automatic Burst Mode® Operation Logic Controlled Shutdown (<1µA) Antiringing Control Minim...

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SeekIC No. : 004402194 Detail

LTC3400-1: Features: Up to 92% Efficiency Generates 3.3V at 100mA from a Single AA Cell Low Start-Up Voltage: 0.85V VOUT Connected to VIN in Shutdown Internal Synchronous Rectifier 2.5V to 5V Output Range Aut...

LTC3400-1 Data Sheet

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Part Number:
LTC3400-1
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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Upload time: 2024/11/21

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Product Details

Description



Features:

Up to 92% Efficiency
Generates 3.3V at 100mA from a Single AA Cell
Low Start-Up Voltage: 0.85V
VOUT Connected to VIN in Shutdown
Internal Synchronous Rectifier
2.5V to 5V Output Range
Automatic Burst Mode® Operation
Logic Controlled Shutdown (<1µA)
Antiringing Control Minimizes EMI
Tiny External Components
Low Profile (1mm) SOT-23 Package


Application

Pagers
MP3 Players
Digital Cameras
LCD Bias Supplies
Handheld Instruments
Wireless Handsets
GPS Receivers


Pinout

Connection Diagram


Specifications

VIN Voltage ...................................................... 0.3V to 6V
SW Voltage
DC ................................................................... 0.3V to 6V
Pulsed (<100ns) ................................................0.3V to 7V
SHDN, FB Voltage ............................................ 0.3V to 6V
VOUT ................................................................ 0.3V to 6V
Operating Temperature Range (Note 2) ... 30°C to 85°C
Storage Temperature Range ...................... 65°C to 125°
Lead Temperature (Soldering, 10 sec)...................... 300°C


Description

The LTC®3400-1 is a synchronous, fixed frequency, stepup DC/DC converter delivering high efficiency in a 6-lead ThinSOT™ package. Capable of supplying 3.3V at 100mA from a single AA cell input, the device contains an internal NMOS switch and PMOS synchronous rectifier.

A switching frequency of 1.2MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM design is internally compensated, reducing external parts count. The LTC3400-1 features automatic shifting to power saving Burst Mode operation at light loads. In shutdown, VOUT and VIN are connected, which allows the input battery to be used for backup power. The LTC3400-1 features low shutdown current of under 1µA.

The LTC3400-1 is offered in the low profile (1mm) SOT-23 package.




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