BD9285F ROHM [Rohm], BD9285F Datasheet - Page 7

• Manufacturer Part Number: BD9285F
• Description: Boost 1channel white LED driver For large LCDs
• Manufacturer: ROHM [Rohm]

●2.1.2 Pin ESD Type
●2.2 Block diagram
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9285F
Css
ADIM_P
FB
ADIM
TC54
PWM1
PWM2
FAILB
STB
SS
RT
VCC
clamper
SS-FB
detect
OSC
VREG
SS
Fail
REG54
UVLO
4.0V
1.5V
VCC
+
-
GND
+
-
Figure 4-2. Internal equivalent circuit
VIN
UVLO
+
-
-
VCC
COMP
Figure 5. Block diagram
PWM
3.3V
UVLO
UVLO
10kΩ
7/36
CONTROL
CS
LOGIC
Current
sense
TSD
OPEN
ERROR
amp
Package:SOP18
SCP
LEDOCP
-
+
+
LEB
OVP
3.5V
VCC
VCC
FB
DIMOUT
OVP
GATE
TSZ02201-0F1F0C100030-1-2
CS
ISENSE
1k
TC54
11.Jul.2012 Rev.001
Internal
vol.
TC54
Datasheet