bd8372hfp-m ROHM Co. Ltd., bd8372hfp-m Datasheet - Page 8

• Manufacturer Part Number: bd8372hfp-m
• Description: Led Drivers For Automotive Light
• Manufacturer: ROHM Co. Ltd.

●Function description
BD8372HFP-M,BD8372EFJ-M
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
(Unless otherwise specified, VIN=13V, R
Table for operation
Protection mode operation voltage
The LED open function is masked with VIN≦8V. For the over voltage protection to operate in 18V≦VIN, and the output
current is derating to suppress the generation of heat rise of IC.
STIOP
5.5V<VIN≦8V
8V≦VIN
19V≦VIN
○：Protection mode effective
×：Protection mode invalidity
Iomax
L/H
L/H
200mA
H
H
H
L
L
L
10mA
VIN
2.V<VIOUT<12.3V
2.V<VIOUT<12.3V
2.V<VIOUT<11.8V
2V<VIOUT<11.8V
0V
12.8V≦VIOUT
VIOUT≦0.6V
VIOUT
-
-
13V
LED open
×
○
○
19V
10kΩV≦RISETL
10kΩV≦RISETL
RISETL<7.5kΩ/
125kΩ<RISETL
≦100kΩ
≦100kΩ
RISETL
Over voltage protection current limit
24V
-
LED short
-
-
-
-
ISETL
○
○
○
=R
ISETH
10kΩV≦RISETH
10kΩV≦RISETH
125kΩ<RISETH
RISETH<7.5Ω/
=40kΩ, The numerical value in the table has described the TYP value.)
≦100kΩ
≦100kΩ
RISETH
ISET open
8/16
-
-
-
-
-
○
○
○
40V
PBUS control OFF
PBUS control OFF
H mode normal
L mode normal
VIN
ISET short
ISETH short /
ISETL short /
Output short
Output open
ISETH open
ISETL open
operation
operation
MODE
○
○
○
20mA～200mA
2mA～20mA
PBUS
40µA(max)
1µA(max)
1µA(max)
1µA(max)
1µA(max)
1µA(max)
○
○
○
IOUT_
Technical Note
2011.04 - Rev.A
Overvoltage
protection
LOW output
LOW output
LOW output
LOW output
LOW input
LOW input
PBUS
×
×
○
Hi-Z
Hi-Z