BU28TD3WG-TR Datasheet, PDF (5/10 Pages) Rohm – Versatile Package FULL CMOS LDO Regulator

BUxxTD3WG series
●Reference data BU18TD3WG (Ta=25ºC unless otherwise specified.)
2.0
Temp=25°C
1.8
1.6
1.4
1.2
1.0
Io=0uA
0.8
Io=100uA
Io=50mA
0.6
Io=200mA
0.4
0.2
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 3. Output Voltage
1.85
Temp=25°C
1.84
VIN=STBY
1.83
1.82
1.81
1.80
1.79
1.78
Io=0uA
1.77
Io=100uA
Io=50mA
1.76
Io=200mA
1.75
1.7 1.8 1.9
2
2.1 2.2 2.3 2.4 2.5
Input Voltage (V)
Fig 4. 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 6. VSTBY - ISTBY
100
VIN=2.8V
STBY=1.5V
80
Temp=85°C
60
40
Temp=-40°C
20
Temp=25°C
0
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig 7. IOUT - IGND
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
VIN=5.5V
VIN=2.8V
VIN=2.3V
Temp=25°C
STBY=1.5V
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (mA)
Fig 9. 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 10. STBY Threshold
60
VIN=2.8V
50 ^STBY=1.5V
Io=0mA
40
30
20
10
0
-40
-15
10
35
60
85
Temp (°C)
Fig 12. 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=2.8V
STBY=0V
60
85
Fig 13. IGND - Temp (STBY)
Datasheet
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 5. Circuit Current IGND
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
0
VIN=2.8V
STBY=1.5V
Temp=25°C
Temp=85°C
Temp=-40°C
0.05
0.1
0.15
0.2
Output Current (A)
Fig 8. Load Regulation
1.85
VIN=2.8V
1.84
STBY=1.5V
1.83
Io=0.1mA
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
-40
-15
10
35
60
85
Temp (°C)
Fig 11. VOUT - Temp
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TSZ02201-0RBR0A300030-1-2
30.JUL.2013.Rev.002