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TJ1051

Features: CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROL LOW VOLTAGE OPERATION PRECISION INTERNAL COMPONENT COUNT CURRENT SINK OUTPUT STAGE EASY COMPENSATION LOW AC MAINS VOLTAGE REJECTIONApplication BATTERY CHARGERS ADAPTERSPinoutSpecifications Symbol Parameter Value Unit Vcc DC S...

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SeekIC No. : 004519586 Detail

TJ1051: Features: CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROL LOW VOLTAGE OPERATION PRECISION INTERNAL COMPONENT COUNT CURRENT SINK OUTPUT STAGE EASY COMPENSATION LOW AC MAINS VOLTAGE REJECTIONApplicatio...

TJ1051 Data Sheet

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Part Number:
TJ1051
Supply Ability:
5000

Price Break

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

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Upload time: 2024/4/27

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Product Details

Description



Features:

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROL
LOW VOLTAGE OPERATION
PRECISION INTERNAL COMPONENT COUNT
CURRENT SINK OUTPUT STAGE
EASY COMPENSATION
LOW AC MAINS VOLTAGE REJECTION




Application

BATTERY CHARGERS
ADAPTERS




Pinout

Connection Diagram




Specifications

Symbol Parameter
Value
Unit
Vcc DC Supply Voltage
14
V
Vi Input Voltage
-0.3 to Vcc
V
Top Operating Free Air Temperature Range
0 to 85
Tj Maximum Junction Temperature
150





Description

TJ1051 is a highly integrated solution for SMPS applications requiring constant voltage and constant current mode. TJ1051 integrates one voltage reference, two operational amplifiers (with ORed ouputs - common collectors), and current sensing circuit.

The TJ1051 voltage reference combined with one operational amplifiers makes it an ideal voltage controller, and the other low voltage reference combined with the other operational amplifier makes it an ideal current limiter for output low side current sensing.

The TJ1051 current threshold is fixed and precise.The only external components are :

A resistor brideg to be connected to the outpu of the power supply (adaptor, battery charger) to set the voltage regulation by dividing the desired output voltage to match the internal voltage reference value.
A sense resistor having a value and allowable dissipation power which need to be chosen according to the internal vlotage threshold.
Optional compensation components (R and C).






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