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What is BD1754HFN?

This electronic component, produced by the manufacturer "ROHM Semiconductor", performs the same function as "Constant Current LED Driver".


BD1754HFN Datasheet PDF - ROHM Semiconductor

Part Number BD1754HFN
Description Constant Current LED Driver
Manufacturers ROHM Semiconductor 
Logo ROHM Semiconductor Logo 


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Total 21 Pages



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Datasheet
Constant Current LED Driver
with 64 Dimming Steps for up to 4 LEDs
BD1754HFN
General Description
BD1754HFN is a multi-level brightness control LED
Driver that works as a constant current driver with 64
steps, so that the driving current can be adjusted finely.
BD1754HFN is best suited to turn ON LEDs that require
high-accuracy LED brightness control.
Features
Current Regulation for up to 4 Parallel LEDs
Adjustable Constant Current with 64 Steps
High Accuracy and Good Matching of each Current
Channel (0.5% Typ)
Brightness Control Via Single-Line Digital Control
Interface (Uni-Port Interface Control = UPIC)
Key Specification
Operating Power Supply Voltage Range:
2.7V to 5.5V
Quiescent Current:
0.1μA (Typ)
Operating Temperature Range: -30°C to +85 °C
Package
W(Typ) x D(Typ) x H(Max)
Applications
This driver can be used in various applications such as
mobile phones, portable game consoles and etc.
HSON8
2.90mm x 3.00mm x 0.60mm
Typical Application Circuit
Power Supply
IN
CIN 0.1µF
EN
L1 L2 L3 L4
BD1754HFN
GND
ISET
RISET 120kΩ
(When ILED-max =32mA)
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/17
TSZ02201-0G3G0C200060-1-2
10.Dec.2015 Rev.002

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BD1754HFN equivalent
BD1754HFN
Typical Performance Curves - continued
Datasheet
Ta= -30, 25, 85 °C
Ta= -30, 25, 85 °C
Operating Power Supply Voltage: VIN [V]
Figure 5. LED Output Current vs Operating Power Supply Voltage
(VIN = 3.6 V, at 32 mA of LED Current)
Code [dec]
Figure 6. LED Current Characteristics
(VIN = 3.6 V, Differential Linearity Error)
Ta= -30, 25, 85 °C
Code [dec]
Figure 7. LED Current Characteristics
(VIN = 3.6 V, Integral Linearity Error)
Ta= -30°C
Ta= 85°C
Ta= 25°C
Current State
Figure 8. LED Current Relative Accuracy
(VIN= 3.6 V)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/17
TSZ02201-0G3G0C200060-1-2
10.Dec.2015 Rev.002


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BD1754HFN electronic component.


Information Total 21 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
BD1754HFNThe function is Constant Current LED Driver. ROHM SemiconductorROHM Semiconductor

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