LV5026M-TLM-H ON Semiconductor, LV5026M-TLM-H Datasheet

LV5026M-TLM-H

Manufacturer Part Number

LV5026M-TLM-H

Description

LED Lighting Drivers LED DRIVER IC

Manufacturer

ON Semiconductor

Datasheet

1.LV5026M-TLM-H.pdf (18 pages)

Specifications of LV5026M-TLM-H

Rohs

yes

Input Voltage

- 0.3 V to + 42 V

Maximum Supply Current

3 A

Maximum Operating Temperature

+ 125 C

Package / Case

MFP-10S

Minimum Operating Temperature

- 30 C

Power Dissipation

1 W

Current page: 1 of 18
Download datasheet (794Kb)

Ordering number : ENA1950

LV5026M

Overview

Functions

Specifications

Maximum Ratings at Ta = 25C

Maximum Input voltage

REF_OUT,

CS, PWM_D, ACS

OUT1 pin

OUT2 pin

Allowable power dissipation

Junction temperature

Operating temperature

Storage temperature

LV5026M is a High Voltage LED drive controller which drives LED current up to 3A with external MOSFET.

LV5026M is realized very simple LED circuits with a few external parts. It corresponds to various wide dimming

controls including the TRIAC dimming control.

 High Voltage LED Controller

 Various Dimming Control

 Soft Start function

 Built-in TRIAC stabilized function

 Built-in circuit of detection of overvoltage of CS pin.

 Selectable Switching frequency [50 kHz or 70 kHz, open: 50 kHz]

*Specified board: 58.0×54.0×1.6mm (glass epoxy board)

-TRIAC & Analog Input & PWM Input

Parameter

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be

intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace

instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety

equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case

of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee

thereof. If you should intend to use our products for applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our

customer shall be solely responsible for the use.

Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate

the performance, characteristics, and functions of the described products in the independent state, and are not

guarantees of the performance, characteristics, and functions of the described products as mounted in the

customer

device, the customer should always evaluate and test devices mounted in the customer

equipment.

REF_IN,

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

RT,

V IN max

V OUT _abs

V OUT 2_abs

Pd max

Topr

Tstg

Symbol

Bi-CMOS IC

LED Driver IC

With specified board*

Conditions

 Short Protection Circuit

 Selectable reference Voltage

 Low noise switching system

-Internal 0.605V & External Input Voltage

- 5 stages skip mode Frequency

- Soft driving

41311 SY 20110330-S00004 No.A1950-1/18

Ratings

s products or

-30 to +125

-40 to +150

-0.3 to 42

-0.3 to 7

150

1.0

Unit

C

Related parts for LV5026M-TLM-H

LV5026M-TLM-H Summary of contents

Page 1

... LV5026M Overview LV5026M is a High Voltage LED drive controller which drives LED current with external MOSFET. LV5026M is realized very simple LED circuits with a few external parts. It corresponds to various wide dimming controls including the TRIAC dimming control. Functions  High Voltage LED Controller  ...

Page 2

... VACS OUT2 sink current OUT2 source current current UVLO mode V IN current I CC OFF Normal mode V IN current LV5026M 25C Conditions Conditions 8.5 to 24V I REFOUT = 0.5mA RT = OPEN RT=REF_OUT *Design guarantee *Design guarantee OUT2=High [ less than right record ] ...

Page 3

... V IN Over Voltage Protection Circuit V IN over voltage protection V IN OVP voltage VIN Current at OVP IINOVP CS terminal abnormal sensing circuit Abnormal sensing voltage CSOCP *: Design guarantee (value guaranteed by design and not tested before shipment) LV5026M V IN =30V 0.7 1.0 1.5 mA 1.9 V No.A1950-3/18 ...

Page 4

... LV5026M TYPICAL CHARACTARISTICS No.A1950-4/18 ...

Page 5

... LV5026M TYPICAL CHARACTARISTICS No.A1950-5/18 ...

Page 6

... CS 5 PWM_D 1 RT GND 6 LV5026M TYPICAL CHARACTARISTICS Isolation INPUT RD0306 LED C13 NP 9pcs LV5026M U1 8 VCC 10 9 OUT2 ACS 　　　 OUT 2 REF_OUT 4 3 REF_IN CS 5 PWM_D GND 6 R3 No.A1950-6/18 ...

Page 7

... Package Dimensions unit: mm (typ) 3086B Pin Assignment LV5026M No.A1950-7/18 ...

Page 8

... If this function isn’t used, please connect nothing LED current sensing in. If this terminal voltage exceeds VREF (Or REF_IN), external FET is OFF. And if the voltage of the terminal exceeds 1.9V, LV5026M turns to latch-off mode. 5 PWM_D PWM Dimming pin.L or open: normal operation, H: Stop operation. 6 GND GND pin ...

Page 9

... R1 CLK Q Vzd REF_IN RESET + - - CS VREF (0.605Vtyp) under drawing R2 VAC voltage is Low, OUT2 is High voltage. LV5026M FET current L a blockdiagram in outline OUT REF_IN Rcs FET Ton TRIAC dimmer,OFF  Vac  Ipk Ipk: peak inductor current Vf: LED forward voltage drop Vac: effective value,R.M.S value VREF: Built-in reference voltage (0 ...

Page 10

... L DutyI T  2 ILED Since LED and inductor are connected in serial in non-isolation mode, LED current flows only when AC voltage exceed VF. LV5026M Ip is proportion to REF pin voltage below VREF(0.605Vtyp) a blockdiagram in outline inductor current FET Rcs Ipk inductor current T_c ...

Page 11

... DutyAC 90 Since the period when the inductor current flows are limited by DutyAC, the formula (6) is represented as follows:  Vac Vf    L  2 ILED fosc VIN LV5026M Arcsin(Vf/√2Vrms) )  Vf   90 arcsin(    2 Vrms   2 DutyI  ...

Page 12

... To substitute the following to the formula below, Pout   ∵ (14) Pin   Vac Ton _ p fosc  ∴ Lp  2 Pout LV5026M a blockdiagram in outline Ip Vac (primary side current) Ls (Ns) FET Rcs Is (Secondary side current) Ipk_p Primary Ip=Vac/LpxTon_p Side FET_ON (Ton_p) T(1cycle) Ipk_s Secondary Side (Ton_s) (11) ...

Page 13

...  (24) L μ : relative magnetic permeability, μ r μ : vacuum magnetic permeability μ turn count [T] 2 Ae: core section area [ inductance [H] LV5026M   Lp VREF    Vac Don  Don _ s Ton  ...

Page 14

... Q Rd set hold current at Triac dimmer. Lp RESET OUT Bleeder current is set at Rd depending on Triac dimmer. a blockdiagram in outline R1 ACS OUT2 - + R2 Vz VACS (3Vtyp) off LV5026M R 2  blockdiagram in outline VAC voltage is Low, OUT2 is High voltage. Rd Vac ACS OUT2 off on off ...

Page 15

... LED from VAC and lets the VCC falls below the VCC reset voltage,UVLOOFF(7.3Vtyp)( B). Then VCC rise UVLOON(9Vtyp)(C),restart the switching. CS voltage A CSOCP(1.9Vtyp) VIN voltage tyop UVLOON(9Vtyp) UVLOFF(7.3Vtyp) outputstage on LV5026M monitor point VCC voltage CS voltage VCC voltage PN Junction temperature B VCC voltage ＶＣＣ time 2dd off ...

Page 16

... TSD(design target) outputstage on Skip frequency function LV5026M contains the skip frequency function for reduction of the peak value of conduction noise. This function changes the frequency as follows. … 0.9  1.1  1.05  1  0.95  0.9  1.1 … LV5026M ...

Page 17

... PWM_D pin, input voltage is, 2V avove – output OFF 0.6V below - output ON AC voltage PWMD OUT (FET gate) PWMD OUT (FET gate) FET current (CS voltage) LV5026M LED LED current vs PWM_D duty(outline)) current max 0 PWM_D Duty(High side) 〔%〕 0〔%〕 100〔%〕 PWMD outputage ...

Page 18

... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of March, 2011. Specifications and information herein are subject to change without notice. LV5026M PS No.A1950-18/18 ...

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