bd6142amuv ROHM Co. Ltd., bd6142amuv Datasheet - Page 2

• Manufacturer Part Number: bd6142amuv
• Description: Step-up Dc/dc Converter For Medium Size Lcd Panel
• Manufacturer: ROHM Co. Ltd.

 Electrical characteristic
(Unless otherwise specified, VIN=12V, Ta = +25°C)
*1 This parameter is tested with DC measurement.
[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]
Low Input Voltage range
High Input Voltage range2
Pull down resistor
[FAULT]
Nch RON
[Regulator]
VDC Voltage
[Switching Regulator]
LED Control voltage
Switching frequency accuracy
Duty cycle limit
LX Nch FET RON
[Protection]
Over Current Limit
Over voltage limit Input
Output Short Protect
OVP leak current
CH Terminal
Over Voltage Protect accuracy
[Current driver]
LED maximum current
LED current accuracy
LED current matching
LED current matching2
LED current limiter
ISET voltage
LED current accuracy2
Parameter
ILACCU2
OVPfault
ILACCU
ILMAT2
Symbol
PWMH
PWMR
ENIout
PWML
ILMAX
ILOCP
VREG
ILMAT
UVLO
FFCR
VLED
MOV
OVIL
RON
Duty
OVP
VSC
EnH
EnR
EnL
Fsw
Ocp
Iset
Idd
Iq
0.64
1.00
91.0
1.16
0.02
Min.
100
100
-15
3.1
2.0
0.0
1.3
4.2
1.5
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
REV. Ａ
Limits
0.733
Typ.
0.80
1.25
95.0
0.48
1.20
0.05
±3.0
300
300
1.6
3.6
3.7
5.0
2.5
0.1
0
0
0
-
-
-
-
-
-
-
-
-
-
1.240
Max.
0.96
1.50
99.0
0.58
0.08
±2.5
12.0
+15
VIN
500
500
4.4
5.4
4.1
0.8
0.8
6.0
1.0
2.5
1.5
0.1
41
30
3
2
-
-
-
MHz
Unit
mA
mA
mA
µA
kΩ
µA
kΩ
kΩ
µA
%
%
%
%
Ω
%
%
V
V
V
V
A
V
V
V
V
V
V
V
Enable=0V
OVP=0V,ISET=36kΩ
VIN falling edge
Enable
Enable=3V
Enable=0V
PWM=3V
Enable=PWM=3V, OVP=2V
No load, VIN > 6V
FSET=56kΩ
CH1-8=0.3V, FSET=56kΩ
ILX=80mA
*1
Detect voltage of OVP pin
Detect voltage of OVP pin
VSC=5V
ILED=20mA (ISET=36k
(Max LED current – Min LED
current) / Ideal current(20mA)
ILED=20mA
Each LED current/Average
(CH1- 8), ILED=20mA
LED current at ISET
Resistance 1kΩ setting
ILED=20mA, ABC=0.733V
Condition
Ω)
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