BD8641EFV Datasheet, PDF (1/5 Pages) Rohm – Synchronous rectification with built-in FET type DC/DC converter IC

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STRUCTURE ：
PRODUCT NAME ：
MODEL NAME：
Silicon Monolithic Integrated Circuit
Synchronous rectification with built-in FET type DC/DC converter IC
BD8641EFV
FEATURES ：
・Synchronous rectification with built-in FET type DC/DC converter
・Reference voltage accuracy FB 0.8V±1%
・Switching frequency 250kHz～2.3MHz（Synchronizable with external clock.）
・Over current protection circuit
・Thermal shutdown
・Output voltage watch （VDET） function
・Input low voltage detection （UVLO） function
・Soft start / Start delay circuit
◎ABSOLUTE MAXIMUM RATING （Ta=25℃）
Parameter
Input supply voltage
Input terminal voltage
Output terminal voltage
Output current
Power dissipation
Operating temperature
Storage temperature
Symbol
PV_IN, SV_IN
V_INP*1
V_OUT*^２
I_OUT
Pd
Topr
Tstg
Limits
Unit
7
V
V_IN
V
V_IN
V
4
A
3.2^*３
ï¼·
-40 ～ 85
℃
-55 ～ 150
℃
＊1 V_INP Application terminal： SYNCLK, EN, SS/DELAY, FB
＊2 V_OUT Application terminal：SW, VDET, FC, RT
＊3 (70mm×70mm, thickness 1.6mm, and four layer glass epoxy substrates)When mounting substrate and the package
back exposure part are connected with solder.
Operating at higher than Ta=25℃, 25.6mW shall be reduced per 1
◎Operation condition
Parameter
Symbol
MIN
TYP
Input supply voltage
V_IN
Output current
I_OUT
3.0
-
-
-
This product is not designed for protection against radioactive rays.
Status of this document
The Japanese version of this document is the formal specification.
A customer may use this translation version only for a reference to help reading the formal version.
If there are any differences in translation version of this document, formal version takes priority.
MAX Unit
5.5 Ｖ
3
A
Be careful to handle because the content of the description of this material might correspond to the labor
(technology in the design, manufacturing, and use) in foreign country exchange and Foreign Trade Control Law.
REV. C