华润微电子,PT4115BE89E,PT4115BEESH,PT4115BE89E,36V/1.2A 降压高调光比 LED 恒流驱动器PT4115B(订购型号PT4115BE89E/PT4115BEESH),CRMICRO Brand PT4115BE89E

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36V/1.2A 降压高调光比 LED 恒流驱动器PT4115B(订购型号PT4115BE89E/PT4115BEESH)

Model：: PT4115BE89E

Brand：: 华润微电子

Batch No：: PT4115BE89E,PT4115BEESH

Desc：: CRMICRO Brand PT4115BE89E

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Stock：: 0 PCS

Delivery：: 现货

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Switching frequency :	1MHz
Current accuracy :	3%
Max. Output Current :	1.2A
Input voltage :	6~36V
Efficiency :	97%
Replacement models :	PAM2861，MT7201,CL6807,SN3350,BP1360,PT4115B89E,OC5265
Package :	SOT89-5,ESOP8
Topological :	降压恒流BUCK
LED serial number :	1~7颗
Dimming mode :	模拟/PWM
Mosfet :	内置0.4Ω 1.2A功率开关管
Max. power output :	10W
Output voltage :	3~32V
Typical applications :	MR16射灯，LED洗墙灯
:	PT4115BE89E,PT4115BEESH,CRMICRO,华润微，华润矽威

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36V/1.2A buck high dimming ratio LED constant current driver PT4115B(Order model：PT4115BE89E/PT4115BEESH)

Product Overview of PT4115BE89E/PT4115BEESH

PT4115BE89E/PT4115BEESH is a step-down constant current source with continuous inductor current conduction mode, used to drive one or more series connected LEDs.

PT4115BE89E/PT4115BEESH has an input voltage range from 6V to 36V (with a maximum withstand voltage of 40V) and an adjustable output current of up to 1.2A. According to different input voltages and external devices, PT4115BE89E/PT4115BEESH can drive LEDs up to tens of watts.

PT4115BE89E/PT4115BEESH has a built-in power switch and uses high-end current sampling to set the average LED current. It can accept analog dimming and a wide range of PWM dimming through the DIM pin. When the voltage of the DIM is low, the power switch is turned off, and PT4115BE89E/PT4115BEESH enters a standby state with extremely low working current.

Main features of PT4115BE89E/PT4115BEESH

⚫Very few external components

⚫Wide input voltage range: from 6V to 36V

⚫Up to 97% efficiency

⚫The maximum output current of the PT4115BE89E/PT4115BEESH chip is 1.2A

⚫Reuse DIM pins for LED switching, analog dimming, and PWM dimming

⚫Up to 1MHz switching frequency

⚫PT4115BE89E/PT4115BEESH step-down constant current drive chip with 3% output current accuracy

⚫PT4115BE89E/PT4115BEESH driver chip with built-in LED open circuit natural protection

⚫PT4115BE89E/PT4115BEESH constant current drive IC with built-in RCS open circuit protection

⚫PT4115BE89E/PT4115BEESH constant current drive chip adopts high-end current sampling detection

⚫PT4115BE89E/PT4115BEESH chip hysteresis control: no compensation required

⚫PT4115BE89E/PT4115BEESH Output Adjustable Constant Current Control Method

⚫PT4115BE89E/PT4115BEESH has temperature protection function

Typical applications of PT4115BE89E/PT4115BEESH

⚫Low voltage LED spotlights replace halogen lights

⚫Car LED lights

⚫LED backup light

⚫LED signal light

Pin arrangement of PT4115BE89E/PT4115BEESH

PT4115B,PT4115BE89E
Pin function of PT4115BE89E/PT4115BEESH

Pin number		Pin name	Function Description
SOT89-5	ESOP8	Pin name	Function Description
1	3	SW	Switch output SW is the drain terminal of the internal N-MOS
2	6，7	GND	Ground the signal and power supply directly to the ground plane
3	8	DIM	Logic level dimming input DIM is low, turn off the current and adjust the machine DIM is high, turn on the current regulator
4	1	CSN	Current sampling terminal, sampling resistor connected between CSN and VIN terminals
5	2	VIN	The power input terminal must be connected to a nearby bypass capacitor
-	4，5	NC	NC
-		Exposed PAD	Heat dissipation end, attached to the PCB board to reduce thermal resistance, this pad is connected to the GND on the PCB, and floating is prohibited

Typical application circuit diagram of PT4115BE89E/PT4115BEESH

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