L88MS33T 데이터 시트보기 (PDF) - SANYO -> Panasonic

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L88MS33T

3.3 V, 0.5 A Low Dropout Voltage Regulator with On/Off Function

SANYO -> Panasonic 

Equivalent Circuit Block Diagram

L88MS33T

Error

amp

ON/OFF

Control

Short circuit

protector

Thermal

protector

Test Circuit

Notes: 1. To ensure operational stability, CIN, COUT, and Cn should be placed as close to the IC as possible.

2. Because the output capacitor COUT is set at over 100 µF to prevent oscillation at low temperatures, a capacitor that

exhibits little change in capacity with temperature variations should be used (such as a tantalum capacitor).

3. Adding capacitor Cn enables external noise suppression and ripple rejection to be improved. However, attention should

be given to system stability (phase margin).

4. When the strobe (STB) pin is open, output is turned on by internal bias. When the strobe function is not used, the STB

pin should be connected to GND to complete strobe operation.

5. When VIN is minus (–) and GND is plus (+) (reversed connection), excessive current flow will occur.

No.5516-3/7

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