BD9132MUV_12 Datasheet, PDF (3/20 Pages) Rohm – 2.7V to 5.5V, 3.0A 1ch Synchronous Buck Converter integrated FET

BD9132MUV
Datasheet
●Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Limits
Unit
VCC Voltage
PVCC Voltage
VCC
-0.3 to +7 *¹
V
PVCC
-0.3 to +7 *¹
V
BST Voltage
VBST
-0.3 to +13
V
BST_SW Voltage
VBST-SW
-0.3 to +7
V
EN Voltage
VEN
-0.3 to +7
V
SW,ITH Voltage
VSW,
VITH
-0.3 to +7
V
Power Dissipation 1
Pd1
0.34 *²
W
Power Dissipation 2
Pd2
0.70 *³
W
Power Dissipation 3
Pd3
1.21 *⁴
W
Power Dissipation 4
Pd4
3.56 *⁵
W
Operating temperature range
Topr
-40 to +105
℃
Storage temperature range
Tstg
-55 to +150
℃
Maximum junction temperature
Tj
+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 Ratings (Ta=-40 to +105℃)
Parameter
Symbol
Min.
Power Supply Voltage
VCC
2.7
PVCC
2.7
EN Voltage
VEN
0
Output voltage Setting Range
VOUT
0.8
SW average output current
ISW
-
＊6 In case set output voltage 1.6V or more, VccMin = Vout+1.2V.
＊7 Pd should not be exceeded.
Typ.
3.3
3.3
-
-
-
Max.
Unit
5.5
V
5.5
V
5.5
V
3.3*⁶
V
3.0*⁷
A
●Electrical Characteristics
◎BD9132MUV (Ta=25℃ VCC=PVCC=3.3V, EN=VCC, R1=10kΩ, R2=5kΩ, unless otherwise specified.)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Standby current
ISTB
-
0
10
μA
EN=GND
Active current
ICC
-
250
500
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
VEN=3.3V
Oscillation frequency
FOSC
0.8
1
1.2
MHz
High side FET ON resistance
RONH
-
82
115
mΩ
PVCC=3.3V
Low side FET ON resistance
RONL
-
70
98
mΩ
PVCC=3.3V
ADJ Voltage
VADJ
0.788
0.800
0.812
V
ITH SInk current
ITHSI
10
18
-
μA
VADJ=1V
ITH Source Current
ITHSO
10
18
-
μA
VADJ=0.6V
UVLO threshold voltage
VUVLO1
2.400
2.500
2.600
V
VCC=3.3V→0V
UVLO release voltage
VUVLO2
2.425
2.550
2.700
V
VCC=0V→3.3V
Soft start time
TSS
2.5
5
10
ms
Timer latch time
TLATCH
0.5
1
2
ms
Output Short circuit
Threshold Voltage
VSCP
-
0.40
0.56
V
VADJ =0.8V→0V
www.rohm.com
© ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
3/18
TSZ02201-0J3J0AJ00140-1-2
02.MAR.2012 Rev.001