AP4313KTR BCDSEMI [BCD Semiconductor Manufacturing Limited], AP4313KTR Datasheet

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AP4313KTR

Manufacturer Part Number
AP4313KTR
Description
CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER
Manufacturer
BCDSEMI [BCD Semiconductor Manufacturing Limited]
Datasheet

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General Description
The AP4313 is a highly integrated solution for a con-
stant voltage/constant current mode SMPS application.
The AP4313 contains one 1.21V voltage reference
with
operational amplifiers. Combining the voltage refer-
ence with one operational amplifier makes AP4313 an
ideal voltage controller for use in adapters and battery
chargers. The other low voltage reference combined
with the other operational amplifier makes it an ideal
current limiter for output low side current sensing.
The AP4313 is available in SOT-23-6 package.
Nov. 2005 Rev. 1. 0
CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER
±
1% accuracy, one current sensing circuit and two
Figure 1. Package Type of AP4313
SOT-23-6
1
·
·
·
·
·
·
Features
Applications
Constant Voltage and Constant Current Control
Precision Internal Voltage Reference
Few External Components
Easy Compensation
Adapters
Battery Chargers
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet
AP4313

Related parts for AP4313KTR

AP4313KTR Summary of contents

Page 1

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER General Description The AP4313 is a highly integrated solution for a con- stant voltage/constant current mode SMPS application. The AP4313 contains one 1.21V voltage reference ± with 1% accuracy, one current sensing circuit and ...

Page 2

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Pin Configuration Figure 2. Pin Configuration of AP4313 (Top View) Pin Description Pin Number Pin Name 1 V Input pin of the voltage control loop CTRL 2 GND Ground 3 V Output pin. Sinking ...

Page 3

... Nov. 2005 Rev CTRL SENSE Figure 3. Functional Block Diagram of AP4313 AP4313 - Part Number Lead Free Tin Lead AP4313KTR-E1 K6G BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet AP4313 3 V OUT 1 V CTRL 2 GND E1: Lead Free Blank: Tin Lead TR: Tape and Reel ...

Page 4

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Absolute Maximum Ratings (Note 1) Parameter Power Supply Voltage Input Voltage Junction Temperature Storage Temperature Lead Temperature (Soldering, 5sec) Package Thermal Resistance (Junction to Case) Note 1: Stresses greater than those listed under "Absolute ...

Page 5

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Electrical Characteristics o (V =5V, T =25 C, unless otherwise specified Parameter Symbol TOTAL CURRENT CONSUMPTION Total Supply Current Not Including the Output Sinking Current VOLTAGE CONTROL LOOP Transconduction Gain (V ). ...

Page 6

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Typical Performance Characteristics 1.225 1.220 1.215 1.210 1.205 1.200 1.195 -40 - Ambient Temperature ( Figure 4. V vs. Ambient Temperature REF -20 -40 -40 ...

Page 7

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Typical Performance Characteristics (Continued -40 - Ambient Temperature ( Figure 8. Output Short Circuit Current vs. Ambient Temperature Nov. 2005 Rev. 1. ...

Page 8

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Typical Application AP4313 1.210V 200mV I CTRL Nov. 2005 Rev primary OUT C2 470K 22pF V CTRL C3 2.2nF GND R5 22K V SENSE R6 500 R7 ...

Page 9

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Mechanical Dimensions 2.820(0.111) 3.020(0.119) 0.300(0.012) 0.400(0.016) 0.950(0.037)TYP 1.800(0.071) 2.000(0.079) Nov. 2005 Rev SOT-23-6 0.300(0.012) 0.600(0.024) 0.700(0.028)REF 0.000(0.000) 0.100(0.004) 1.050(0.041) 1.050(0.041) 1.250(0.049) 1.150(0.045) BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet AP4313 Unit: mm(inch) ...

Page 10

BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor ...

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