Product Information

BD8621EFV-E2

BD8621EFV-E2 electronic component of ROHM

Datasheet
Voltage Regulators - Switching Regulators POWER SUPPLY IC
Manufacturer: ROHM
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Price (USD)

2500: USD 6.6166 ea
Line Total: USD 16541.5

0 - Global Stock
MOQ: 2500  Multiples: 2500
Pack Size: 2500

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Ships to you between Fri. 10 May to Thu. 16 May

MOQ : 2500
Multiples : 2500
2500 : USD 6.6166

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RoHS - XON
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Additional Infomation About Product

System Power Supply for TV Series FET Controller Type 3ch System Power Supply ICs No.09034EAT03 BD8621EFV Description BD8621EFV has realized the high performance and reliability required as a power supply for thin-screen TV. With built-in FET 1ch current mode control, the DC/DC Converter series has the advantage of high-speed load response and wide phase margin. Due to the high-speed load response, it is most suitable for TV-purpose processors with increasingly high performance, and due to the wide phase margin it leaves a good margin for board pattern & constant setting and so facilitates its application design. As a high-reliability design, it has various built-in protection circuits (overcurrent protection, output voltage abnormal protection, thermal protection, and off-latch function at the time of abnormality etc.), therefore as an advantage it does not easily damage in every possible abnormal condition such as all-pin short circuit test etc. and hence most suitable for thin-screen TV which requires the high reliability. Features 1) 3A output current 2) Low RDS(ON) internal switches (PchMOS:75mNchMOS:55m ) 3) 1% reference voltage accuracy 4) Programmable frequency : 250kHz-1MHz 5) (Frequency in programmable by adjusting RT resistance or synchronizing with SYNCLK terminal.) 6) Terminal RT OPEN/SHORT detecting function 7) Over current protection function 8) Output over voltage/low voltage protection function (over : FB > VREF +60mV , low : FB < VREF -60mV) 9) Timer off latch function in abnormal circumstances 10) Thermal shutdown function 11) Under voltage protection 12) Soft start/start delay circuit 13) Soft start time out function 14) Protecting BUS function with terminal PDET 15) HTSSOP-B20 package www.rohm.com 2009.05 - Rev.A 1/14 2009 ROHM Co., Ltd. All rights reserved. Technical Note BD8621EFV Electrical characteristics (Unless otherwise noted Ta=25, VIN=3.3V, GND=0V) Specification value Parameter Symbol UNIT Condition MIN TYP MAX VIN supply current (operating) I - 220 350 A V = 0.83V, V = 1V Q active FB FC VIN supply current (standby) I - 0 1 A V = 0V Q stby EN Reference voltage (VREF) V 0.792 0.8 0.808 V REF 60 mV Monitoring FB Output rise detection voltage V 30 90 OVP terminal -60 mV Monitoring FB Output decrease detection voltage V -90 -30 LVP terminal Terminal PDET output current I 0.4 - - mA V < 0.3V PDET PDET Oscillation frequency f 500 550 600 kHz R = 220k OSC RT Pch FET ON resistance R - 75 110 m I = 1A PFET SW Nch FET ON resistance R - 55 90 m I = 1A NFET SW UVLO voltage V 2.35 2.50 2.65 V UVLO SW leak current I - 0 1 A V = 0V, V = 5.5V LSW EN IN EN terminal H threshold voltage V 1.1 - - V ENH EN terminal L threshold voltage V - - 0.4 V ENL FC sink current I 10 20 - A FCSI FC source current I - -20 -10 A FCSO SS/DELAY terminal source current I 2 4 6 A SSSO Terminal PDET pull-up resistor R 100 170 250 k PDET V :FB terminal voltage, V :EN terminal voltage, V :FC terminal voltage, V : PDET terminal voltage FB EN FC PDET Current capability should not exceed Pd. www.rohm.com 2009.05 - Rev.A 2/14 2009 ROHM Co., Ltd. All rights reserved.

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

ROHM may also be referenced as

LAPIS Semiconductor
RHE
RHM
ROHM Semicon
ROHM Semiconductor

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