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SOT-223-5 VOLTAGE REGULATOR
EVALUATION BOARD USER ’S GUIDE
Chapter 1. Product Overview
1.1
1.2
INTRODUCTION
The SOT-223-5 Voltage Regulator Evaluation Board is designed to provide functional
evaluation of Microchip Voltage Regulators that utilize the SOT223-5 package and the
following device pinout:
Pin 1 = SHDN
Pin 2 = V IN
Pin 3 = GND
Pin 4 = V OUT
Pin 5 = PWRGD / ADJ
The SOT-223-5 Voltage Regulator Evaluation Board does not come with a voltage
regulator soldered onto the board. This allows the users to attach the voltage regulator
of their choosing to the board and perform quiescent current, ground current, PSRR,
and other desired tests.
The SOT-223-5 Voltage Regulator Evaluation Board is based upon a modulare concept
that will allow the user to plug in additional boards to increase the test capability of the
voltage regulator. Planned additional modulare plugin boards currently consist of an
Input Voltage Linestep Board, Output Voltage Loadstep Board, and several other
device packages.
WHAT IS THE SOT-223-5 VOLTAGE REGULATOR EVALUATION BOARD?
The SOT-223-5 Voltage Regulator Evaluation Board is designed to evaluate and test
voltage regulators. By soldering the desired device to the evaluation board, the user
can easily validate several parameters of the device.
1.2.1
Functional Blocks
The SOT-223-5 Voltage Regulator Evaluation Board can be broken up into 6 functional
blocks. The blocks are:
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Input Capacitance
Shutdown Control
Ground Current Measurement
Voltage Adjust
Power Good
Load Resistor
1.2.2
Input Capacitance
Jumper JP1 connects the input capacitance to the circuit. The input capacitor is
disconnected when performing Power Supply Ripple Rejection tests. By default, C 1 is
populated with a 1 μF, 50V, XR7 ceramic capacitor.
? 2008 Microchip Technology Inc.
DS51751A-page 5
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相关代理商/技术参数
SOT223B 制造商:WILLOW 制造商全称:Willow Technologies Ltd 功能描述:SMT-Precision-R-Networks
SOT223D 制造商:WILLOW 制造商全称:Willow Technologies Ltd 功能描述:SMT-Precision-R-Networks
SOT223L 制造商:WILLOW 制造商全称:Willow Technologies Ltd 功能描述:SMT-Precision-R-Networks
SOT223N 制造商:WILLOW 制造商全称:Willow Technologies Ltd 功能描述:SMT-Precision-R-Networks
SOT-227 制造商:COMSET 制造商全称:Comset Semiconductor 功能描述:BACK TO BACK SCR MODULE
SOT23 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:LOW VOLTAGE 4ohm SPDT SWITCH
SOT-23 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Zener Voltage Regulator Didoes
SOT23_07 制造商:ZETEX 制造商全称:ZETEX 功能描述:Surface mounted, 3 pin package