Datasheet > PT4115E

PT4115E

更新时间： 2024-03-03 10:09:14

品牌	Logo	应用领域
华润微 - CRMICRO		驱动
页数	文件大小	规格书
11页	506K
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PT4115E 数据手册

PT4115E

50V/1.5A Step-down High Brightness

LED Driver

GENERAL DESCRIPTION

FEATURES



Simple low parts count

Wide input voltage range: 6V to 50V

High efficiency (up to 97%)

Up to 1.5A output current

Single pin on/off and brightness control using DC

voltage or PWM

Up to 1MHz switching frequency

Typical 3% output current accuracy

Inherent open-circuit LED protection

Inherent Rcs open protection

High-Side Current Sense

Hysteretic Control: No need compensation

Adjustable Constant LED Current

Thermal shutdown

The PT4115E is a continuous conduction mode

inductive step-down converter, designed for driving

single or multiple series connected LED efficiently

from a voltage source higher than the total LED chain

voltage. The device operates from an input supply

between 6V and 50V and provides an externally

adjustable output current of up to 1.5A.

The PT4115E includes the power switch and a

high-side output current sensing circuit, which uses an

external resistor to set the nominal average output

current, and a dedicated DIM input accepts either a DC

voltage or a wide range of pulsed dimming. Applying a

voltage of 0.3V or lower to the DIM pin turns the

output off and switches the device into a low current

standby state.



APPLICATIONS



Low voltage halogen replacement LEDs

Automotive lighting

Low voltage industrial lighting

LED back-up lighting

Illuminated signs

The PT4115E is available in SOT89-5 package.

SELV lighting

LCD TV backlighting

ORDERING INFORMATION

TEMPERATURE ORDERING PART

TRANSPORT

MEDIA

PACKAGE

MARKING

RANGE

NUMBER

PT4115E

xxxxxX

Tape and Reel

1000 units

SOT89-5

-40 ^oC to 85 ^oC

PT4115EE89E

Note:

xxxxxX

Assembly Factory Code

Lot Number

TYPICAL APPLICATION CIRCUIT

R_S

DC6-50V

V_IN

LED

C_IN

AC12-24V

VIN

CSN

DIM

PT4115E

GND

CR POWTECH (SHANGHAI) CO., LTD.

PT4115E_DS_Rev EN 1.0

WWW.CRPOWTECH.COM

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