MP1519DQL

更新时间： 2024-01-13 16:26:18

品牌	Logo	应用领域
芯源 - MPS		驱动器泵
页数	文件大小	规格书
3页	175K
描述
1x, 1.5x, 2x High Efficiency Charge Pump 3 White LED Driver Evaluation Board

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中文翻译

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数据手册

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MP1519DQL 数据手册

EV1519DQL-00A

1x, 1.5x, 2x High Efficiency Charge Pump

3 White LED Driver Evaluation Board

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The EV1519DQL-00A is an evaluation board for

the MP1519, a fully automatic driver for

powering three white LEDs, with up to 4V

forward voltage, from a single Li-Ion or three

NiMH cells. The driver performs all of the

sensing and control to run the LEDs at an

optimum charge pump ratio for efficiency

without an expensive inductor. The driver

allows PWM operation to support brightness

control.

•

2% LED Current Matching

High Efficiency (>93%)

Current Source Outputs

No Ballast Resistors Required

1x, 1.5x and 2x Automatic Modes

Constant Frequency Operation

Automatic LED Detection

High and Low Frequency PWM Capability

2.5V to 5.5V Operation

Less than 1µA Leakage during Shutdown

Detects Changes in Battery Level

No External Schottky Diode Required

Soft-Start and Soft Switching Operation

The tiny 3mm x 3mm QFN16 package and

small external capacitors allow for the most

compact white LED solution available.

ELECTRICAL SPECIFICATIONS

APPLICATIONS

Parameter

Symbol

Value

Units

•

Cell Phones

PDA or Hand Held Computers

White LED Application at 3.6V Supply

# of WLEDs

Input Voltage

LED Current

V_IN

2.5 – 5.5

I_LED

“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic

Power Systems, Inc.

EV1519DQL-00A EVALUATION BOARD

Efficiency vs

Supply Voltage

= 3.23V @ 20mA

LED

100

=5mA

LED

=20mA

LED

=10mA

LED

Dimensions (2.3”X x 1.8”Y x 0.4”Z)

2.5

3.0

3.5

4.0

4.5

Board Number

MPS IC Number

SUPPLY VOLTAGE (V)

MP1519L_EC01

EV1519DQL-00A

MP1519DQL

EV1519DQL-00A Rev. 1.1

10/27/2005

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3

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