English
Language : 

BD93941EFV Datasheet, PDF (4/30 Pages) Rohm – LED pin rating 60V
BD93941EFV BD93941FP
Datasheet
Electrical Characteristics (Unless otherwise noted, Ta = 25oC, VCC=24V)
Parameter
Symbol
Min.
Limit
Typ.
[DC/DC Protection Block]
Overvoltage protection detection
voltage
VOVP
2.7
3.00
Overvoltage protection detection
hysteresis voltage
VOVP_HYS
50
100
Short circuit protection detection
voltage
VSCP
0.04
0.10
[LED Driver Block]
LED pin current accuracy 1
dILED1
-2
-
Max.
3.3
200
0.25
2
LED pin current accuracy 2
dILED2
-3.2
-
3.2
LED pin current accuracy 3
dILED3
-4.6
-
4.6
LED pin current accuracy 4
dILED4
-8
-
8
LED pin current accuracy 5
dILED5
-3
-
3
LED pin Leakage Current
ILLED
-2.5
-
2.5
LED open detection voltage
VOPEN
0.05
0.2
0.285
LED short detection voltage
ADIM pin Input Current
VSHORT
4
5
6
ILADIM
-2.5
-
2.5
[STB Block]
STB pin high-level voltage
STBH
2
-
35
STB pin low-level voltage
STBL
-0.3
-
0.8
STB pin pull-down resistance
RSTB
500
1000 1500
[PWM Block]
PWM pin high-level voltage
PWMH
2
-
35
PWM pin low-level voltage
PWML
-0.3
-
0.8
PWM pin pull-down resistance
RPWM
180
300
420
[Failure Indication Block (Open Drain)]
AUTO pin source current
IAUTO
-2
-1
-0.5
AUTO pin Detection Voltage
VAUTO
3.6
4.0
4.4
Abnormal Detection Timer
tCP
20
Unit
Condition
V OVP=SWEEP UP
mV OVP=SWEEP DOWN
V OVP=SWEEP DOWN
%
ILED=100mA,
(ADIM=2.5V,ISET=75kΩ)
%
ILED=70mA,
(ADIM=1.75V,ISET=75kΩ)
ILED=50mA,
% (ADIM=1.25V,ISET=75kΩ)
ILED=30mA,
% (ADIM=0.75V,ISET=75kΩ)
%
ILED=100mA,
(ADIM=7V,ISET=75kΩ)
μA LED=60V
V LED=SWEEP DOWN
V LED=SWEEP UP
μA ADIM=3V
V STB=SWEEP UP
V STB=SWEEP DOWN
kΩ STB=3.0V
V PWM=SWEEP UP
V PWM= SWEEP DOWN
kΩ PWM=3.0V
μA AUTO=2V
V AUTO=SWEEP UP
ms RT=75kΩ
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
4/27
TSZ02201-0F1F0C100270-1-2
10.Oct.2013 Rev.001