BD12KA5FP-E2 Rohm Semiconductor, BD12KA5FP-E2 Datasheet - Page 3

• Manufacturer Part Number: BD12KA5FP-E2
• Description: IC REG LDO 1.2V 0.5A TO252-3
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD12KA5FP-E2

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: 2.3 V ~ 5.5 V
• Voltage - Dropout (typical): -
• Number Of Regulators: 1
• Current - Output: 500mA (Max)
• Current - Limit (min): -
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Reference Data (Unless specified otherwise, Vcc=25V,V
© 2009 ROHM Co., Ltd. All rights reserved.
BD□□KA5,BD□□KA5W Series,BD00KA5W Series
www.rohm.com
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Fig.10 CTL Voltage vs. Output Voltage
1.6
1.6
1.6
1.5
1.5
1.5
1.5
1.5
1.4
1.4
1.4
-40
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
0.0
0.5
-20
0.5
Fig.7 Output Voltage
1.0
1.0
Fig.4 Load Stability
CONTROL VOLTAGE:VCTL[V]
OUTPUT CURRENT:IOUT[A]
1.5
0
Fig.1 Circuit current
（Io=5mA）
TEMPERATURE:Ta[ ℃ ]
SUPPLY VOLTAGE:VCC[V]
1.5
2.0
20
2.0
2.5
2.5
40
[BD15KA5WFP]
[BD15KA5WFP]
3.0
3.0
3.5
60
[BD15KA5WFP]
3.5
[BD15KA5WFP]
4.0
4.0
80
4.5
4.5
5.0
100
5.0
5.5
5.5
200
180
160
140
120
100
300
250
200
150
100
80
60
40
20
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
50
0
Fig.11 CTL Voltage vs. Output Current
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
0.0
-40
Fig.5 Input/Output Voltage Difference
0
0.0
0.5
Fig.8 Circuit Current
Temperature Characteristics
50
0.5
-20
1.0
100
1.0
CONTROL VOLTAGE:VCTL[V]
OUTPUT CURRENT:IOUT[mA]
（Vcc=3.135V）
1.5
0
Fig.2 Input Stability
150 200
TEMPERATURE :Ta[℃]
1.5
SUPPLY VOLTAGE:VCC[V]
（Io=0mA）
2.0
CTL
20
2.0
3/9
2.5
=2V,and Io=0mA)
[BD33KA5WFP]
2.5
250 300
3.0
40
[BD15KA5WFP]
3.0
[BD15KA5WFP]
3.5
60
3.5
350 400
[BD15KA5WFP]
4.0
4.0
80
4.5
4.5
5.0
450 500
100
5.0
5.5
5.5
60
55
50
45
40
35
30
25
20
15
10
5
0
10
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
8
6
4
2
0
100
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
0.0
0.0
Fig.12 Thermal Shutdown
Fig.9 Circuit Current by load Level
0.5
Circuit Characteristics (Io=5mA)
（ein=10dBV,Io=100mA）
Fig.6 Ripple Rejection
1.0
120
0.1
100
OUTPUT CURRENT:IOUT[A]
SUPPLY VOLTAGE:VCC[V]
Fig.3 Input Stability
1.5
（Io=500mA）
FREQUENCY:f[Hz]
TEMPERATURE:[ ℃]
2.0
140
0.2
2.5
Technical Note
2009.04 - Rev.A
1000
3.0
[BD15KA5WFP]
[BD15KA5WFP]
[BD15KA5WFP]
160
0.3
[BD15KA5WFP]
3.5
10000
4.0
180
0.4
4.5
5.0
100000
5.5
200
0.5