参数资料
| 型号： | BA78M10FP-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 10V .5A TO-252-3 |
| 特色产品： | CMOS LDO Regulators |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 10V |
| 输入电压： | 12.5 V ~ 25 V |
| 电压 - 压降（标准）： | 2V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小值） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-252-3，DPak（2 引线+接片），SC-63 |
| 供应商设备封装： | TO-252-3 |
| 包装： | 标准包装 |
| 其它名称： | BA78M10FP-E2DKR |
BA78 □□ Series,BA78M □□ Series
● Internal Circuit Structural Diagram
INPUT
Technical Note
R4
R10
R8
R9
R13
D2
Q8
Q9
R5
Q12
Q10
Q15
R21
R17
Q16
Q17
R12
R11
OUTPUT
Q13
Q5
Q6
R15
R20
D1
R6
R7
R22
Q18
R1
Q1
Q14
R18
R2
Q7
R3
Q2
C1
Q4
R14
D3
R16
Q3
Q11
R19
COMMON
FIN
1 2 3
TO220CP-3
TO252-3
PIN No.
1
2
3
Symbol
INPUT
COMMON
OUTPUT
Function
Input terminal
Ground terminal
Output terminal
PIN No.
1
2
3
Symbol
INPUT
N.C.
OUTPUT
Function
Input terminal
Non connection terminal
Output terminal
● Protection Circuit
FIN
COMMON
6
Ground terminal
Vin=10V
(1)Over-current protection circuit
When the maximum rating current or more is rushed, it controls the
current ability and protects the IC from destruction.
(2) Thermal shutdown circuit
When the chip temperature of IC exceeds the setting temperature, the IC goes
OFF, and it controls the IC not to be destroyed by the heat generation.
It can be restored by being lowered the chip temperature of IC below the
setting temperature.
5
4
3
2
1
0
6
5
4
3
BA7805CP
1
2
Output Current : I O [A]
Vin=10V
BA7805CP
2
1
0
25 50 75 100 125 150 175 200
Chip Junction temperature : Tj [ ℃ ]
(3) Safety operation area control circuit
It controls the output current in inverse proportion ratio to voltage difference
(input-output).
2
Tj=25 ℃
When voltage difference becomes bigger, the IC will be destroyed in rush current.
1.5
BA7805CP
It protects the IC by controlling the current ability according to the voltage level.
1
0.5
0
10
20
30
40
Input-Output voltage difference: Vin-Vo [V]
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
9/12
2012.03 - Rev.C
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