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BD6142AMUV
● Absolute Maximum Ratings (Ta=25 ℃ )
Datasheet
Parameter
Terminal voltage 1
Terminal voltage 2
Terminal voltage 3
Terminal voltage 4
Symbol
VMAX1
VMAX2
VMAX3
VMAX4
Ratings
7
45
30.5
15
Unit
V
V
V
V
Condition
VDC, ISET, ABC,
COMP, FSET, TEST, FAULT
CH1 to CH8, LX, OVP
VIN, ENABLE
PWM
Power dissipation 1
Pd1
500
*1
mW
Power dissipation 2
Pd2
780 *2
mW
Power dissipation 3
Pd3
1510
*3
mW
Operating temperature range
Storage temperature range
Topr
Tstg
-40 to +85
-55 to+150
℃
℃
*1 Reduced 4.0mW/ ℃ With Ta>25 ℃ when not mounted on a heat radiation Board.
*2 1 layer (ROHM Standard board) has been mounted. Copper foil area 0mm 2 , When it’s used by more than Ta=25 ℃ , it’s reduced by 6.2mW/ ℃ .
*3 4 layer (JEDEC Compliant board) has been mounted. Copper foil area 1layer 6.28mm 2 , Copper foil area 2 to 4layers 5655.04mm 2 ,
When it’s used by more than Ta=25 ℃ , it’s reduced by 12.1mW/ ℃ .
● Recommended Operating Rating (Ta=-40 ℃ to +85 ℃ )
Parameter
Power supply voltage
Symbol
VIN
Min.
4.2
Limits
Typ.
12.0
Max.
27.0
Unit
V
Conditions
● Electrical Characteristics (Unless otherwise specified, VIN=12V, Ta = +25 ℃ )
Parameter Symbol
Limits
Min. Typ. Max.
Unit
Conditions
[General]
Quiescent Current
Current Consumption
Max. Output Voltage
Under Voltage Lock Out
Iq
Idd
MOV
UVLO
-
-
-
3.1
1.6
3.6
-
3.7
4.4
5.4
41
4.1
μA
mA
V
V
ENABLE=0V
OVP=0V,ISET=36k ?
VIN falling edge
[ENABLE Terminal]
Low Input Voltage range
High Input Voltage range1
EnL
EnH
0.0
2.0
-
-
0.8
VIN
V
V
Pull down resistor
Output Current
EnR
ENIout
100
-
300
0
500
2
k ?
μA
ENABLE=3V
ENABLE=0V
[PWM Terminal]
Low Input Voltage range
High Input Voltage range2
PWML
PWMH
0.0
1.3
-
-
0.8
12.0
V
V
Pull down resistor
Output Current
PWMR
PWMIout
100
-
300
0
500
2
k ?
μA
PWM=3V
PWM=0V
[FAULT]
Nch RON
FFCR
-
-
3
k ?
ENABLE =PWM=3V, OVP=2V
[Regulator]
VDC Voltage
VREG
4.2
5.0
6.0
V
No load, VIN > 6V
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
2/30
TSZ02201-0G3G0C400340-1-2
03.Dec.2012 Rev.001
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