BD6067GU_11 ROHM [Rohm], BD6067GU_11 Datasheet - Page 4

• Manufacturer Part Number: BD6067GU_11
• Description: White Backlight LED Drivers for Small to Medium LCD Panels (Switching Regulator Type)
• Manufacturer: ROHM [Rohm]

© 2011 ROHM Co., Ltd. All rights reserved.
BD6067GU, BD6069GUT, BD6071HFN, BD6072HFN
►BD6067GU
●Block Diagram and Recommended Circuit Example
●Pin assignment table
www.rohm.com
Vin
1µF
Cin
number
Pin
A1
A2
A3
B1
B3
C1
C2
C3
22µH
Vin
L1
Q1
Pin name
GNDA
VDAC
VOUT
GND
GND
SW
VFB
SW
EN
Vin
GNDA
Q
Current
In/Out
Sence
Fig.11 Block Diagram and Recommended Circuit Example
In
In
In
In
In
-
-
-
Fig.12 Pin location diagram VCSP85H1 (Bottom view)
R
S
300kΩ
Analog GND
Enable control (pull-down by internal resistance)
Analog signal input for current adjustment
Supply voltage input
Feedback voltage input
Over voltage protection input SBD open protection input
Switching pin
Power GND
D1
Shutdown
Thermal
OFF ON
TSD
Control
EN
C1
B1
A1
4/29
C2
A2
PWMcomp
Output open
Over voltage
protect
protect
C3
B3
A3
Function
-
+
OSC
+
ERRAMP
+
-
+
-
-
+
14kΩ
98kΩ
VFB
Vout
VDAC
2011.01 - Rev.C
Technical Note
10Ω
R1
20mA
Cout
1µF