Datasheet
16 Bits Constant Current LED Driver
BD7851FP
General Description
Key Specifications
BD7851FP is constant current LED driver which
incorporates built-in 16 bits shift register and latch
circuit.
A single external resistor can set the output current value
of the constant current up to a maximum of 50mA.
Power Supply Voltage Range:
Output Current:
Frequency CLOCK:
Quiescent Current:
Operating Temperature Range:
4.5V to 5.5V
50mA
10MHz(Max)
0.7mA(Typ)
-30°C to +85°C
Features
Package
The Constant Current Output
Output line: 16 Bits
Output type: Open Collector
Cascade connection is possible
W(Typ) x D(Typ) x H(Max)
Applications
For AV equipment such as audio stereo sets, videos
and TV sets, PCs, microcontroller-based mounted
equipment.
HSOP25
13.60mm x 7.80mm x 2.11mm
Typical Application Circuit
C1
(Note 1)
OUT1 OUT2
OUT14 OUT15 OUT16
VCC
VCC
R_IREF
S_IN
MPU
GND
CLOCK
LATCH
ENABLE_B
SOUT
GND
OUT1 OUT2
OUT14 OUT15 OUT16
VCC
R_IREF
S_IN
CLOCK
GND
LATCH
ENABLE_B
SOUT
(Note 1) C1 must be placed as close to the VCC terminal as possible.
○Product structure：Silicon monolithic integrated circuit
.
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© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
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TSZ02201-0M2M0CZ15040-1-2
09.Feb.2016 Rev.001
