BA90DD0WT Rohm Semiconductor, BA90DD0WT Datasheet - Page 5

• Manufacturer Part Number: BA90DD0WT
• Description: IC REG LDO POS 9V 2A TO220FP-5
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BA90DD0WT

• Regulator Topology: Positive Fixed
• Voltage - Output: 9V
• Voltage - Input: Up to 25V
• Voltage - Dropout (typical): 0.45V @ 2A
• Number Of Regulators: 1
• Current - Output: 2A (Max)
• Current - Limit (min): -
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 Full Pack
• Number Of Outputs: 1
• Polarity: Positive
• Output Voltage: 9 V
• Output Type: Fixed
• Dropout Voltage (max): 0.5 V at 1 A
• Output Current: 2 A
• Line Regulation: 50 mV
• Load Regulation: 200 mV
• Voltage Regulation Accuracy: 1 %
• Maximum Power Dissipation: 2 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Reference Data (Unless specified otherwise, Vcc=7.0V, Vo=5.0V, V
BA□□DD0T
BA□□DD0WT
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
Fig.22 CTL Voltage vs. Output Voltage
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
5.2
5.1
5.0
4.9
4.8
Fig.19 Temperature Characteristics
BA□□DD0□□(BA50DD0WT)
8
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
-40 -20
0 2 4 6 8 10 12 14 16 18 20 22 24
0 2 4 6 8 10 12 14 16 18 20 22 24
0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8
Fig.13 Circuit Current
Fig.16 Load Stability
CONTROL VOLTAGE ： V
OUTPUT CURRENT ： IOUT [A]
AMBIENTTEMPERATURE [ ℃ ]
SUPPLY VOLTAGE ： Vcc [V]
0
Series
Series
20
,BA□□CC0T
40
,BA□□DD0HFP
[BA50DD0WT]
60
[BA50DD0WT]
[BA50DD0WT]
[BA50DD0WT]
CTL
80
[V]
100
Series
,BA□□CC0FP
Series
,BA□□CC0WT
Fig.17 Input/Output Voltage Difference
Fig.20 Circuit Current by Load Level
800
700
600
500
400
300
200
100
200
180
160
140
120
100
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
80
60
40
20
8
7
6
5
4
3
2
1
0
0
0
0.0
Fig.23 Overvoltage Operating
0
0 2 4 6 8 10 12 14 16 18 20 22 24
0 0.2 0.4 0.6 0.8
Series
5
OUTPUT CURRENT ： IOUT [A]
Fig.14 Input Stability
OUTPUT CURRENT ： I
SUPPLY VOLTAGE ： Vcc [V]
SUPPLY VOLTAGE ： Vcc [V]
0.5
10
Series
5/11
15
1.0
20
,BA□□CC0WFP
1 1.2 1.4 1.6 1.8 2
25
[BA50DD0WT]
[BA50DD0WT]
[BA50DD0WT]
[BA50DD0WT]
CTL
1.5
OUT
30
=3.0V, and Io=0mA)
[A]
35
2.0
40
Series
Fig.18 Ripple Rejection Characteristics
Fig.21 CTL Voltage vs. CTL Current
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
800
700
600
500
400
300
200
100
60
50
40
30
20
10
8
6
4
2
0
0
0
130
Fig.15 Input Stability (Io=2A)
10
0 2 4 6 8 10 12 14 16 18 20 22 24
0 2 4 6
Fig.24 Thermal Shutdown
AMBIENT TEMPERATURE ： Ta [ ℃ ]
Circuit Characteristics
140
CONTROL VOLYAGE:Vctl （ V)
100
SUPPLY VOLTAGE ： Vcc [V]
FREQUENCY ： f [Hz]
150
8 10 12 14 16 18 20 22 24
1000
Technical Note
2011.03 - Rev.C
160
10000
170
[BA50DD0WT]
[BA50DD0WT]
[BA50DD0WT]
[BA50DD0WT]
100000 1000000
180
190