BU6650NUX_11 Datasheet, PDF (13/22 Pages) Rohm – 3ch CMOS LDO Regulators

BU6650NUX,BU6651NUX,BU6652NUX,BU6653NUX,BU6654NUX,BU6655NUX Technical Note
●Reference data Vo=1.8V (Ta=25ºC unless otherwise specified.)
3.5
3.0
2.5
2.0
1.5
IO=0uA
1.0
IO=100uA
IO=50mA
0.5
IO=200mA
Temp=25°C
VIN = STBY
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 66 Output Voltage
1.85
1.84
IO=0uA
1.83
IO=100uA
IO=50mA
1.82
IO=200mA
1.81
1.80
1.79
1.78
1.77
Temp=25°C
1.76
VIN = STBY
1.75
1.75
1.85
1.95
2.05
2.15
2.25
2.35
Vin Voltage (V)
Fig. 67 Line Regulation
100
80
60
40
Temp=-40°C
20
Temp=25°C
IO=0uA
Temp=85°C _{VIN = STBY}
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 68 Circuit Current IGND
140
120
100
80
60
Temp=-40°C
40
Temp=25°C
Temp=85°C
20
IO=200mA
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 69 Circuit Current IGND
10
8
Temp=85°C
Temp=25°C
6
Temp=-40°C
4
2
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
STBY Voltage (V)
Fig. 70 STBY Input Current
120
110
100
90
80
70
60
50
40
0
Temp=85°C
Temp=25°C
Temp=-40°C
VIN = 3.5V
STBY = 1.5V
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 71 IOUT - IGND
Fig. 72 Load Regulation
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
VIN=3.5V
1.77
STBY=1.5V
1.76
Io=0.1mA
1.75
-40
-15
10
35
60
85
Temp (°C)
Fig. 75 VOUT vs. Temp
Fig. 73 OCP Threshold
50.00
40.00
30.00
20.00
10.00
VIN=3.5V
STBY=1.5V
Io=0mA
0.00
-40
-15
10
35
60
85
Temp (°C)
Fig. 76 IGND vs. Temp
3.50
3.00
2.50
2.00
1.50
1.00
Temp=85°C
Temp=25°C
0.50
Temp=-40°C
0.00
0
0.5
1
1.5
STBY Voltage (V)
Fig. 74 STBY Threshold
1.000
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
VIN=3.5V
STBY=0V
-0.100
-40 -15 10 35 60 85
Temp (°C)
Fig. 77 IGND vs. Temp (STBY)
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2011.03 - Rev.E