BD9150MUV Datasheet, PDF (2/19 Pages) Rohm – Output 1.5A or Less High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

BD9150MUV
Technical Note
●Absolute Maximum Rating (Ta=25℃)
Parameter
Symbol
Limit
Unit
Vcc Voltage
VCC
-0.3～+7 *¹
V
EN Voltage
SW Voltage
V_EN1
V_EN2
V_SW1
V_SW2
Pd1
-0.3～+7
V
-0.3～+7
V
-0.3～+7
V
-0.3～+7
V
0.34*²
W
Power Dissipation
Pd2
0.70 *³
W
Pd3
1.21 *⁴
W
Pd4
3.56*⁵
W
Operating Temperature Range
Topr
-40～+85
℃
Storage Temperature Range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
+150
℃
*1 Pd should not be exceeded.
*2 IC only
*3 1-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm²
*4 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm² , in each layers
*5 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 5505mm², in each layers
●Operating Conditions (Ta=-40～+85℃)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Vcc Voltage
VCC
4.75
5.0
5.5
V
EN Voltage
Output Voltage range
VEN1
0
VEN2
0
VOUT2
0.8
-
5.5
V
-
5.5
V
-
2.5
V
SW Average Output Current
ISW1
-
ISW2
-
-
1.5*⁶
A
-
1.5*⁶
A
*6 Pd and ASO should not be exceeded.
●Electrical Characteristics
◎BD9150MUV (Ta=25℃ AVCC=PVCC=5.0V, EN1=EN2=AVCC ,unless otherwise specified.)
Parameter
Symbol
Min.
Limit
Typ.
Max.
Unit
Condition
Standby Current
ISTB
-
0
10
μA EN1=EN2=0V
Bias Current
ICC
-
500
800
μA
EN Low Voltage
VENL
-
GND
0.8
V Standby Mode
EN High Voltage
VENH
2.0
Vcc
-
V Active Mode
EN Input Current
IEN
-
1
10
μA VEN1=VEN2=2V
Oscillation Frequency
Pch FET ON Resistance
Nch FET ON Resistance
FB Reference Voltage
FOSC
RONP1
RONP2
RONN1
RONN2
FB1
FB2
1.2
-
-
-
-
3.25
0.788
1.5
0.17
0.17
0.13
0.13
3.3
0.8
1.8
0.3
0.3
0.2
0.2
3.35
0.812
MHz
Ω
Ω
Ω
Ω
V
V
Vcc=5V
Vcc=5V
Vcc=5V
Vcc=5V
±1.5%
±1.5%
UVLO Threshold Voltage
UVLO Release Voltage
VUVLO1
3.6
3.8
4.0
VUVLO2
3.65
3.9
4.2
V VCC=5→0V
V VCC=0→5V
Soft Start Time
TSS
0.4
0.8
1.6
ms
Timer Latch Time
TLATCH
0.68
1.36
2.72
ms SCP/TSD ON
Output Short circuit
Threshold Voltage
VSCP1
-
1.65
2.4
V FB1=3.3→0V
VSCP2
-
0.4
0.56
V FB2=0.8→0V
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2/18
2009.05 - Rev.A