3/22
BD2046AFJ BD2056AFJ
Datasheet
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
TSZ02201-0E3E0H300140-1-2
11.Mar.2013 Rev.001
●Absolute Maximum Ratings
Parameter Symbol Ratings Unit
Supply voltage VIN -0.3 to 6.0 V
Enable voltage VEN, V/EN -0.3 to 6.0 V
/OC voltage V/OC -0.3 to 6.0 V
/OC current IS/OC 10 mA
OUT voltage VOUT -0.3 to 6.0 V
Storage temperature TSTG -55 to 150 °C
Power dissipation Pd 560
*1
mW
*1 In the case of exceeding Ta = 25°C, 4.48mW should be reduced per 1°C.
●Recommended Operating Range
Parameter Symbol Ratings Unit
Operating voltage VIN 2.7 to 5.5 V
Operating temperature TOPR -40 to 85 °C
Continuous output current ILO 0 to 250 mA
●Electrical Characteristics
○BD2046AFJ (Unless otherwise specified, V
IN = 5.0V, Ta = 25°C)
Parameter Symbol
Limits
Unit Condition
Min. Typ. Max.
Operating Current IDD - 110 140 μA V/EN = 0V, OUT = OPEN
Standby Current ISTB - 0.01 1 μA V/EN = 5V, OUT = OPEN
/EN input voltage V/EN
2.0 - - V High input
- - 0.8 V Low input
- - 0.4 V Low input 2.7V≤ VIN ≤4.5V
/EN input current I/EN -1.0 0.01 1.0 μA V/EN = 0V or V/EN = 5V
/OC output LOW voltage V/OC - - 0.5 V I/OC = 5mA
/OC output leak current IL/OC - 0.01 1 μA V/OC = 5V
ON resistance RON - 100 130 mΩ IOUT = 250mA
Over-current Threshold ITH 0.3 0.5 0.9 A
Output current at short ISC 0.3 0.5 0.7 A
V
IN = 5V, VOUT = 0V,
C
L = 100μF (RMS)
Output rise time TON1 - 1.8 10 ms
R
L = 20Ω , CL = OPEN
Output turn on time TON2 - 2.1 20 ms
Output fall time TOFF1 - 1 20 μs
Output turn off time TOFF2 - 3 40 μs
UVLO threshold
VTUVH 2.1 2.3 2.5 V Increasing VIN
VTUVL 2.0 2.2 2.4 V Decreasing VIN