BUXXTD2WNVX Datasheet, PDF (28/41 Pages) Rohm – Ultra Small Package CMOS LDO Regulators suitable for High-density Mounting

BU□□TD2WNVX Series
●Reference data BU30TD2WNVX (Ta=25ºC unless otherwise specified.)
3.5
Temp=25°C
3.0
2.5
2.0
Io=0uA
1.5
Io=100uA
Io=50mA
1.0
Io=200mA
0.5
VIN=STBY
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Fig.209. Output Voltage
3.05
3.04 Temp=25°C
VIN=STBY
3.03
3.02
3.01
3.00
2.99
2.98
Io=0uA
2.97
Io=100uA
Io=50mA
2.96
Io=200mA
2.95
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
Input Voltage (V)
Fig.210. Line Regulation
Technical Note
100
Io=0uA
80
60
40
VIN=STBY
Temp=85°C
Temp=25°C
20
Temp=-40°C
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Fig.211. Circuit Current IGND
1.6
1.4
1.2
1.0
Temp=85°C
0.8
0.6
0.4
Temp=25°C
Temp=-40°C
0.2
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Fig.212. VSTBY - ISTBY
100
VIN=4.0V
STBY=1.5V Temp=85°C
80
60
40
Temp=-40°C
20
Temp=25°C
0
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig.213. IOUT - IGND
3.05
VIN=4.0V
3.04 _STBY=1.5V
3.03
3.02
Temp=25°C
3.01
3.00
2.99
2.98
2.97
2.96 ^{Temp=-40°C}
Temp=85°C
2.95
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig.214. Load Regulation
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
Temp=85°C
Temp=25°C
Temp=-40°C
VIN = 0.98 x VOUT
STBY=1.5V
0.05
0.1
0.15
0.2
Output Current (A)
Fig.215. Dropout Voltage
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
VIN=5.5V
VIN=4.0V
VIN=3.5V
Temp=25°C
STBY=1.5V
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Fig.216. OCP Threshold
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
VIN=4.0V
Io=0mA
Temp=25°C
Temp=85°C
Temp=-40°C
0.5
1
1.5
STBY Voltage (V)
Fig.217. STBY Threshold
3.05
VIN=4.0V
3.04
STBY=1.5V
3.03
Io=0.1mA
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
-40
-15
10
35
60
85
Temp (°C)
Fig.218. VOUT - Temp
60
VIN=4.0V
50 ^STBY=1.5V
Io=0mA
40
30
20
10
0
-40
-15
10
35
60
85
Temp (°C)
Fig.219. IGND - Temp
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-40
-15
10
35
Temp (°C)
VIN=4.0V
STBY=0V
60
85
Fig.220. IGND - Temp (STBY)
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2010.02 - Rev.A