LV5026M-TLM-H ON Semiconductor, LV5026M-TLM-H Datasheet
LV5026M-TLM-H
Specifications of LV5026M-TLM-H
Related parts for LV5026M-TLM-H
LV5026M-TLM-H Summary of contents
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... 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 ...
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... VACS OUT2 sink current OUT2 source current current UVLO mode V IN current I CC OFF Normal mode V IN current LV5026M 25C 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 ] ...
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... 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 ...
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... LV5026M TYPICAL CHARACTARISTICS No.A1950-4/18 ...
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... LV5026M TYPICAL CHARACTARISTICS No.A1950-5/18 ...
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... 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 ...
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... Package Dimensions unit: mm (typ) 3086B Pin Assignment LV5026M No.A1950-7/18 ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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) ...
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... (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 ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ...