BD8381EFV-E2 Rohm Semiconductor, BD8381EFV-E2 Datasheet - Page 17

• Manufacturer Part Number: BD8381EFV-E2
• Description: LED Drivers AUTOMOTIVE GRADE LED DRIVER
• Manufacturer: Rohm Semiconductor

Specifications of BD8381EFV-E2

• Operating Supply Voltage: 5 V to 30 V
• Maximum Supply Current: 7 mA
• Maximum Power Dissipation: 1.45 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Application circuit 1
●Application circuit 2
© 2010 ROHM Co., Ltd. All rights reserved.
BD8381EFV-M
www.rohm.com
INP1
Buck application composition (It is INP1, INP2, and two input selector function. )
Vin
INP2
Vin
VREG
VREG
VREG
Boost application composition (When invalidating short detection. )
VREG
COMP
SYNC
DRLIN
DISC
VCC
THM
VTH
COMP
SS
SYNC
DRLIN
EN
RT
DISC
VCC
THM
VTH
SS
EN
RT
VREG
VREG
OCP OVP
VREG
OCP OVP
SS
VREG
OSC
PWM
SS
OSC
TIMER
PWM
CR
UVLO
TIMER
PGND
CR
UVLO
SLOPE
PGND
SLOPE
TSD
Control Logic
OPEN/ SHORT/ SCP Detect
TSD
Control Logic
OPEN/ SHORT/ SCP Detect
ERR AMP
Timer
Latch
OVP
ERR AMP
Timer
Latch
OVP
PWM
Timer
Latch
Fig. 22
Fig. 23
PWM
17/20
-
+
+
Timer
Latch
-
+
+
FAIL1
FAIL1
Open Det
SCP Det
Open Det
DRV
CTL
CT
SCP Det
OCP
DRV
CTL
CT
OCP
SHORT
Det
VREG
SHORT
Det
VREG
LEDR
LEDC
FB
OVP
CS
BOOT
OUTH
SW
DGND
OUTL
GND
PWMOUT
FAIL2
LEDR
LEDC
FB
OVP
CS
BOOT
OUTH
SW
DGND
OUTL
GND
PWMOUT
FAIL2
COUT
COUT
2010.10 - Rev.0.11
Technical Note