BU10TD2WNVX Datasheet, PDF (8/42 Pages) Rohm – 1ch 200mA CMOS LDO Regulators

BU□□TD2WNVX series
●Reference data BU15TD2WNVX (Ta=25℃ unless otherwise specified.)
2.0
Temp=25°C
1.8
1.6
1.4
1.2
1.0
0.8
Io=0uA
0.6
Io=100uA
Io=50mA
0.4
Io=200mA
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.30. Output Voltage
1.55
1.54 ^Temp=25°C
VIN=STBY
1.53
1.52
1.51
1.50
1.49
1.48
Io=0uA
Io=100uA
1.47
Io=50mA
1.46
Io=200mA
1.45
1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
Input Voltage (V)
Fig.31. Line Regulation
1.6
1.4
1.2
1.0
Temp=85°C
0.8
0.6
0.4
Temp=25°C
0.2
Temp=-40°C
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Fig.33. VSTBY - ISTBY
100
VIN=2.5V
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.34. IOUT - IGND
2.0
1.8
Temp=25°C
1.6
VIN=2.5V
1.4
VIN=2.0V
1.2
VIN=5.5V
1.0
0.8
0.6
0.4
0.2
0.0
0
STBY=1.5V
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Fig.36. OCP Threshold
2.0
VIN=3.8V
Io=0mA
1.5
1.0
Temp=25°C
0.5
Temp=85°C
Temp=-40°C
0.0
0
0.5
1
1.5
STBY Voltage (V)
Fig.37. STBY Threshold
60
VIN=2.5V
50 STBY=1.5V
Io=0mA
40
30
20
10
0
-40
-15
10
35
60
85
Temp (°C)
Fig.39. IGND vs 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=2.5V
STBY=0V
60
85
Fig.40. IGND vs Temp (STBY)
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.32. Circuit Current IGND
1.55
1.54
VIN=2.5V
STBY=1.5V
1.53
1.52
Temp=25°C _Temp=85°C
1.51
1.50
1.49
1.48
1.47
1.46
Temp=-40°C
1.45
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig.35. Load Regulation
1.55
VIN=2.5V
1.54
STBY=1.5V
1.53
Io=0.1mA
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
-40
-15
10
35
60
85
Temp (°C)
Fig.38. VOUT - Temp
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8/41
2011.07 - Rev.C