BD9152MUV Datasheet, PDF (2/18 Pages) Rohm – Output 1.5A or Less High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

BD9152MUV
Technical Note
●Operating Conditions (Ta=-40～+105℃)
Parameter
Symbol
Min.
Vcc Voltage
VCC
4.5
EN Voltage
VEN1
0
VEN2
0
Output Voltage range
VOUT2
0.8
SW Average Output Current
ISW1
ISW2
-
-
＊6 Pd and ASO should not be exceeded.
Typ.
Max.
Unit
5.0
5.5
V
-
5.5
V
-
5.5
V
-
2.5
V
-
1.5*⁶
A
-
1.5*⁶
A
●Electrical Characteristics
◎BD9152MUV (Ta=25℃ VCC=5V, EN1=EN2=VCC ,unless otherwise specified.)
Parameter
Standby Current
Symbol
Limit
Min.
Typ.
Max.
ISTB
-
0
10
Bias Current
EN Low Voltage
ICC
VENL
-
500
800
-
GND
0.8
EN High Voltage
VENH
2
Vcc
-
EN Input Current
IEN
-
1
10
Oscillation Frequency
FOSC
0.8
1.0
1.2
Pch FET ON Resistance
RONP1
-
0.17
0.3
RONP2
-
0.17
0.3
Nch FET ON Resistance
RONN1
-
0.13
0.2
RONN2
-
0.13
0.2
FB Reference Voltage
UVLO Threshold Voltage1
UVLO Release Voltage1
UVLO Threshold Voltage2
UVLO Release Voltage2
FB1 Discharge Resistance
FB1
FB2
VUVLOL1
VUVLOH1
VUVLOL2
VUVLOH2
RFB1
3.25
0.788
3.6
3.65
2.4
2.425
-
3.3
0.8
3.8
3.9
2.5
2.55
20
3.35
0.812
4.0
4.2
2.6
2.7
40
Soft Start Time
TSS
0.4
0.8
1.6
Unit
Condition
μA
μA
V
V
μA
MHz
Ω
Ω
Ω
Ω
V
V
V
V
V
V
Ω
ms
EN1=EN2=0V
Standby Mode
Active Mode
EN1=EN2=2V
Vcc=5V
Vcc=5V
Vcc=5V
Vcc=5V
±1.5%
±1.5%
Vcc=5→0V
Vcc=0→5V
Vcc=5→0V
Vcc=0→5V
Vcc=5V
Timer Latch Time
Output Short circuit
Threshold Voltage
TLATCH
1.0
VSCP1
-
VSCP2
-
2.0
4.0
ms
1.65
2.4
V
0.4
0.56
V
SCP/TSD ON
FB1=3.3→0V
FB2=0.8→0V
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2009.05 - Rev.A