MP4012 datasheet(5/17 Pages) MPS

tên linh kiện	MP4012

Giải thích chi tiết về linh kiện	High-Brightness, High-Current Accuracy WLED Controller

PDF	17 Pages

Scroll/Zoom	100%

nhà sản xuất	MPS [Monolithic Power Systems]

Trang chủ	http://www.monolithicpower.com

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5 / 17 page

MP4012 ─ HIGH-VOLTAGE, HIGH-CURRENT ACCURACY WLED CONTROLLER

MP4012 Rev. 1.12

www.MonolithicPower.com

10/12/2013

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued)

VIN =24V, TA = +25°C, unless otherwise noted.

Parameters

Symbol Condition

Min

Typ

Max Units

Output Short Circuit Protection

Gain for Short Circuit Comparator

GSC

1.8

2.0

2.2

Propagation time for short circuit

detection

TOFF

ISET=200mV, FB=450mV,

FAULT goes form high to low

250

Fault Output Rise Time

TRISE

330pF capacitor at FAULT pin

300

Fault Output Fall Time

TFALL

330pF capacitor at FAULT pin

200

Short Circuit Detecting Blanking Time

TSC_BT

500

950

Current Source/Sink at COMP Pin for

Hiccup Mode Protection

IHICCUP

5.0

μA

Thermal Shutdown

(5)

150

°C

Notes:

5) Guaranteed by design

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