BU665XNUX Datasheet, PDF (12/18 Pages) Rohm – High-speed Load Response Full CMOS LDP Regulators

BU6650NUX, BU6651NUX, BU6652NUX, BU6653NUX
● Reference data Vo=1.5V (Ta=25ºC unless otherwise specified.)
1.8
1.5
1.2
0.9
IO=0uA
IO=100uA
0.6
IO=50mA
IO=200mA
0.3
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
1.55
1.54
IO=0uA
1.53
IO=100uA
IO=50mA
1.52
IO=200mA
1.51
1.50
1.49
1.48
1.47
Temp=25°C
1.46
VIN = STBY
1.45
1.25 1.35 1.45 1.55 1.65 1.75 1.85 1.95 2.05 2.15 2.25
Vin Voltage (V)
Fig. 67. Line Regulation
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
Fig. 72. Load Regulation
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
3.50
Temp=25℃
3.00
2.50
VIN=5.5V
2.00
VIN=3.5V
1.50
1.00
0.50
0.00
0
VIN=2.0V
STBY=1.5V
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Fig. 73. OCP Threshold
1.55
1.54
1.53
1.52
1.51
1.50
1.49
1.48
VIN=3.5V
1.47
STBY=1.5V
1.46
Io=0.1mA
1.45
-40
-15
10
35
60
85
Temp (°C)
Fig. 75. VOUT vs. Temp
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
Technical Note
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
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
2.00
1.75
1.50
1.25
1.00
0.75
Temp=85°C
0.50
Temp=25°C
Temp=-40°C
0.25
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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12/17
2009.09 - Rev.B