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BD65D00MUV PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD65D00MUV
기능 4-Channel White LED Driver
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BD65D00MUV 데이터시트, 핀배열, 회로
Datasheet
4-Channel White LED Driver
with Integrated FET for up to 40 LEDs
BD65D00MUV
General Description
This IC is white LED driver IC with PWM step-up
DC/DC converter that can boost max 41V and current
driver that can drive max 100mA. The wide and
precision brightness can be controlled by external
PWM pulse. This IC has very accurate current drivers,
and it has few current errors between each strings. So,
it will be helpful to reduce brightness spots on the LCD
panel. Small package is suited for saving space.
It can respond to the application according to the
application to be abele to switch to external/internal
NchFET boosting.
PWM dimming(100Hz - 25kHz)Analog
Brightness Control
Key Specifications
Operating power supply voltage range: 6V to 27V
LED maximum current:
100mA/ch
Quiescent Current:
1.6μA (typ.)
Operating temperature range:
-40 to +85
Package
W(typ.) x D(typ.) x H(Max.)
Features
High efficiency PWM step-up DC/DC converter
(fsw=typ 1.25MHz, 0.60MHz to 1.6MHz)
High accuracy & good matching current drivers
4ch (MAX100mA/ch)
Integrated 50V power Nch MOSFET
Soft Start function
Drive up to 10 LEDs in series,
4 strings in parallel
Various safety functions
Over-voltage protection
External SBD open detect / Output
Short protection
Over current limit
CH Terminal open / GND short protect
CH over voltage protect / LED short protect
Thermal shutdown
UVLO
ISET short protection
Typical Application Circuit (4 parallel)
6V to 27V
VQFN028V5050
5.00mm x 5.00mm x 1.00mm
Figure 1.
Applications
All LCD equipments, Backlight of Notebook PC,
Amusement, net book, monitor, TV, Portable DVD
player, light source etc.
Figure 2. Typical Application Circuit
Product structure Silicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product is not designed protection against radioactive rays
1/36
TSZ02201-0G3G0C400220-1-2
7.Dec.2012 Rev.001




BD65D00MUV pdf, 반도체, 판매, 대치품
BD65D00MUV
Pin Descriptions
PIN No. PIN Name IO
Function
1
VDC
Out Regulator output / Internal power-supply
2
TEST
In TEST signal (Pull down 100kwithin IC)
3
FSET
In Resistor connection for frequency setting
4
ABC
In PIN for Analog Brightness Control
5
GND
- GND for Switching Regulator
6
COMP
Out ERRAMP output
7
ISET
In Resistor connection for LED current setting
8
CH4
In Current driver sink for CH4
9 NC - -
10
CH3
In Current driver sink for CH3
11 NC - -
12
CH2
In Current driver sink for CH2
13 NC - -
14
CH1
In Current driver sink for CH1
15 NC - -
16
GND
- GND for Current Driver
17
FAULT
Out Fault signal
18 PREOUT Out Signal output pin for internal switching Tr
19
TRIN
In Gate terminal for switching Tr
20
SENSP
In Source terminal for external switching Tr
21
PGND
- PGND for switching Tr
22 LX
Out Switching Tr drive terminal
23 LX
24 NC - -
25
OVP
In Detect input for SBD open and OVP
26
PWM
In Input pin for current driver power ON/OFF
27
ENABLE
In Pin for power ON/OFF or Power control
28 VIN In Battery input
-
Thermal PAD
-
Heat radiation PAD of back side
Connect to GND
Pin ESD Type
VDC
Terminal
diagram
C
E
A
C
B
A
A
C
-
C
-
C
-
C
-
B
C
A
A
A
D
F
-
C
E
E
G
Datasheet
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
Figure 4. Pin ESD Type
4/36
TSZ02201-0G3G0C400220-1-2
7.Dec.2012 Rev.001

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BD65D00MUV 전자부품, 판매, 대치품
BD65D00MUV
Typical Performance Curves - continued
Datasheet
Figure 13. Over Current Limit
Figure 14. Over Voltage Protect
Figure 15. Output Short Protect
Figure 16. OVP Leak Current
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
7/36
TSZ02201-0G3G0C400220-1-2
7.Dec.2012 Rev.001

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부품번호상세설명 및 기능제조사
BD65D00MUV

4-Channel White LED Driver

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