BD4221NUX Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
PRODUCT SERIES
Silicon Monolithic Integrated Circuit
Strobe Charge Control IC
TYPE
ＢＤ４２２1NUX
Functions
1. Built-in Low Vth DMOS 45V
2. Adjustable transformer primary-side peak current by RADJ pin
3. Standby mode switching with the START pin.
4. Includes charge complete signal output (FULL) pin.
Includes charge voltage detection (VC) pin (can be set externally).
5. Built-in thermal shutdown circuit (TSD).
Built-in under voltage looked out (UVLO).
6. Built-in transformer secondary-side OPEN, SHORT protection.
7. SON 10pin package VSONO10X3020(3.0mm×2.0mm×0.6mm)
○ Absolute maximum ratings(Ta=25℃)
Parameter
Symbol
Limit
Unit
VCC pin
VCC
-0.3 to 7
V
SW pin
VSW
45
V
VC pin
VC
-0.3 to 7
V
START pin
FULL pin
START
-0.3 to 7
V
FULL
-0.3 to 7
V
IGBT_IN pin
IGBT_IN
-0.3 to 7
V
Operating temperature
Topr
−35 to 85
℃
Storage temperature range
Tstg
−55 to 150
℃
Junction temperature
Tjmax
150
℃
Power dissipation
Pd
1540
mW
Reduced by 12.32 mW/°C over Ta = 25°C. (When mounted on 74.2 mm  74.2 mm  1.6 mm, glass epoxy)
○ Recommended operating ranges
Parameter
Symbol
Limit
Unit
VCC power supply input voltage range
VCC
2.5 to 5.5
V
VC pin input voltage range
VC
-0.3 to VCC
V
START pin input voltage range
VSTART
0 to VCC
V
IGBT_IN pin input voltage range
VIGBT_IN
0 to VCC
V
FULL pin input voltage range
VFULL
0 to 5.5
V
REV. B