BD9130NV_12 Datasheet, PDF (3/20 Pages) Rohm – 2.7V to 5.5V, 2.0A 1ch Synchronous Buck Converter integrated FET

BD9130NV
Datasheet
●Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
VCC Voltage
VCC
-0.3 to +7 ^*1
V
PVCC Voltage
PVCC
-0.3 to +7 ^*1
V
EN Voltage
SW,ITH Voltage
Power Dissipation 1
Power Dissipation 2
VEN
-0.3 to +7
V
VSW,VIT
H
-0.3 to +7
V
Pd1
900^*2
mW
Pd2
3900^*3
mW
Operating temperature range
Topr
-25 to +105
℃
Storage temperature range
Tstg
-55 to +150
℃
Maximum junction temperature
Tjmax
+150
℃
*1 Pd should not be exceeded.
*2 Derating in done 7.2mW/℃ for temperatures above Ta=25℃, Mounted on 70mm×70mm×1.6mm Glass Epoxy PCB.
*3 Derating in done 31.2mW/℃ for temperatures above Ta=25℃, Mounted on JESD51-7.
●Operating Ratings (Ta=25℃)
Parameter
VCC Voltage
PVCC Voltage
Symbol
VCC ^*4
PVCC ^*4
Min.
2.7 ^*5
2.7 ^*5
EN Voltage
SW average output current
VEN
0
Isw ^*4
-
Output voltage Setting Range
VOUT
1.0
*4 Pd should not be exceeded.
*5 In case set output voltage 1.6V or more, VccMin. = Vout + 1.3V.
Limits
Typ.
3.3
3.3
-
-
-
Unit
Max.
5.5
V
5.5
V
VCC
V
2.0
A
2.5
V
●Electrical Characteristics◎ (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
Bias current
ICC
-
250
400
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
Pch FET ON resistance
RONP
-
200
400
mΩ PVCC=3.3V
Nch FET ON resistance
RONN
-
160
350
mΩ PVCC=3.3V
ADJ Voltage
VADJ
0.788
0.800
0.812
V
Output voltage
VOUT
-
1.200
-
V
ITH sink current
ITHSI
10
20
-
μA VADJ=1.0V
ITH source current
ITHSO
10
20
-
μA VADJ=0.6V
UVLO threshold voltage
VUVLO1
2.400
2.500
2.600
V VCC=3→0V
UVLO release voltage
VUVLO2
2.425
2.550
2.700
V VCC=0→3V
Soft start time
TSS
0.5
1
2
ms
Timer latch time
TLATCH
1
2
3
ms SCP/TSD operated
Output Short circuit Threshold Voltage VSCP
-
VOUT×0.5 VOUT×0.7 VOUT VOUT=1.2→0V
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TSZ02201-0J3J0AJ00130-1-2
02.MAR.2012 Rev.001