bd6142amuv ROHM Co. Ltd., bd6142amuv Datasheet

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bd6142amuv

Manufacturer Part Number
bd6142amuv
Description
Step-up Dc/dc Converter For Medium Size Lcd Panel
Manufacturer
ROHM Co. Ltd.
Datasheet
 Structure
 Product Name
 Type
 Features
 Absolute maximum ratings
This product isn’t designed to protect itself against radioactive rays.
 Recommended operating range (Ta=-40°C ~ +85°C)
*1 Reduced 4.0mW/ °C With Ta>25°C when not mounted on a heat radiation Board.
*2 1 layer (ROHM Standard board) has been mounted. Copper foil area 0mm
*3 4 layer (JEDEC Compliant board) has been mounted. Copper foil area 1layer 6.28mm
Storage temperature range
Maximum applied voltage 1
Maximum applied voltage 2
Maximum applied voltage 3
Maximum applied voltage 4
Operating temperature
When it’s used by more than Ta=25 °C, it’s reduced by 12.1mW/°C.
Power supply voltage
Power dissipation 1
Power dissipation 2
Power dissipation 3
Parameter
Parameter
range
High efficiency PWM step-up DC/DC converter(
High accuracy & good matching current drivers 8ch (MAX30mA/ch)
Drive up to 11 LEDs in series, 8 strings in parallel =88 white LEDs
Silicon Monolithic Integrated Circuit
Step-up DC/DC converter for medium size LCD panel
BD6142AMUV
Symbol
VMAX1
VMAX2
VMAX3
VMAX4
Symbol
Topr
Pd1
Pd2
Pd3
Tstg
VIN
Min.
4.2
REV. A
-55 ~ +150
-40 ~ +85
Limits
Limits
1510
30.5
Typ.
12.0
500
780
45
15
7
2
, When it’s used by more than Ta=25 °C, it’s reduced by 6.2mW/ °C.
Max.
27.0
2
, Copper foil area 2~4layers 5655.04mm
Unit
mW
mW
mW
Unit
°C
°C
V
V
V
V
V
fsw=typ 1.25MHz, 0.60MHz ~ 1.6MHz
COMP, FSET, TEST, FAULT
CH1 ~ CH8, LX, OVP
VDC, ISET, ABC,
VIN, Enable
Condition
Condition
PWM
*1
*2
*3
-
-
2
,
1/4
)

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bd6142amuv Summary of contents

Page 1

... Structure Silicon Monolithic Integrated Circuit  Product Name Step-up DC/DC converter for medium size LCD panel BD6142AMUV  Type  Features High efficiency PWM step-up DC/DC converter( High accuracy & good matching current drivers 8ch (MAX30mA/ch) Drive LEDs in series, 8 strings in parallel =88 white LEDs  ...

Page 2

Electrical characteristic (Unless otherwise specified, VIN=12V +25°C) Parameter [General] Quiescent Current Current Consumption Max. Output Voltage Under Voltage Lock Out [Enable Terminal] Low Input Voltage range High Input Voltage range1 Pull down resistor Output Current [PWM Terminal] ...

Page 3

Package outline drawing D6142 A (VQFN024V4040) ( Unit : mm ) Block diagram VIN VDC REG TSD Enable Internal Power Supply Clamp Internal Power LX Control LX Current SENCE Over Current Protect PGND PGND Type LOT No. FAULT Output ...

Page 4

Cautions on use (1) Absolute Maximum Ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down devices, thus making impossible to identify breaking mode such as a short ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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