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SOT-223-5 VOLTAGE REGULATOR
EVALUATION BOARD USER ’S GUIDE
Chapter 2. Installation and Operation
2.1
2.2
INTRODUCTION
The SOT-223-5 Voltage Regulator Evaluation Board is designed to be used to facilitate
the evaluation of Microchip’s voltage regulators or to be used as a standalone voltage
regulator board. Jumpers have been placed on the board to facilitate testing of specific
voltage regulator parameters. The jumpers may also be used to select pull-up and
pull-down voltage levels.
The SOT-223-5 Voltage Regulator Evaluation Board kit comes with a 1 uF ceramic
input and output capacitor soldered to the board. A 10 k Ω resistor in series with the
SHDN pin is also populated on the board. The PWRGD/ADJ pin has a 69.8 k Ω resistor
soldered to the board. The board has four more unpopulated resistor locations that may
be used for loads and voltage adjustments.
FEATURES
The SOT-223-5 Voltage Regulator Evaluation Board has the following features:
? Input and Output headers for future connection to Line Step and Load Step
modules
? Ample testpoints to attach multimeters, power supplies, and loads
? Jumper to select ground current measurement
? Jumper to select input capacitor
? Jumper to select two different load resistors
? Jumper to select shutdown pin input: V DD , GND, or use test point
? Jumper to connect input capacitor to circuit
? SMT0805 PCB footprints for user Power-Good pull-up resistor
? SMT0805 PCB footprints for user Adjustable Voltage resistor divider
? SMT0805 PCB footprints for user Bypass Capacitor
? 2008 Microchip Technology Inc.
DS51751A-page 7
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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