78D05M
Rev.B May.-2022 DATA SHEET
http://www.fsbrec.com 1 / 7
TO-252 塑封封装电压调整器。Voltage Regulator in a TO-252 Plastic Package.
三端稳压调整器，输出电流高达 0.5A,内设过热保护和短路限制。无卤产品。
3-Terminal regulators ,output current up to 0.5A, internal thermal overload protection and short-circuit
limiting. HF Product.
电压调整器。
Voltage Regulator.
内部等效电路/应用电路 / Equivalent Circuit or Application Circuit
PIN1：IN PIN 2、4：GND PIN 3：OUT
印章代码 / Marking
见印章说明。See Marking Instructions.
描述 / Descriptions
特征 / Features
用途 / Applications
引脚排列 / Pinning
1
3
2
4
78D05M
Rev.B May.-2022 DATA SHEET
http://www.fsbrec.com 2 / 7
参数
Parameter
符号
Symbol
数值
Rating
单位
Unit
Input voltage
V
I
35
V
Power Dissipation
P
D
Internally Limited
W
Thernal Resistance Junction-Ambient
R
θJA
105
℃/W
Thernal Resistance Junction-Case
R
θJC
10
℃/W
Operating Junction Temperature Range
T
OPR
0～125
℃
Storage temperature range
T
stg
-65～150
℃
参数
Parameter
符号
Symbol
测试条件
Test Conditions
最小值
Min
典型值
Typ
最大值
Max
单位
Unit
Output Voltage
V
O
T
j
=25℃
4.8
5.0
5.2
V
V
i
=7V~20V
Io=5mA~350mA
4.75
5.0
5.25
V
Load Regulation
△
V
Load
T
j
=25℃ Io=5mA~500mA
100
mV
T
j
=25℃ Io=5mA~200mA
50
mV
Line Regulation
△
V
Line
T
j
=25℃ Vi=7V~25V
100
mV
T
j
=25℃ Vi=8V~25V
50
mV
Quiescent Current
Iq
T
j
=25℃
6.0
mA
Quiescent Current Change
△
Iq
V
i
=8V~25V
0.8
mA
Io=5mA~350mA
0.5
mA
Output Voltage Drift
△
Vo/
△
T
Io=5mA T
j
=0~125℃
0.5
mV/℃
Output Noise Voltage
eN
B=10Hz~100KHz
T
j
=25℃
40
μV/Vo
Supply Voltage Rejection
SVR
V
i
=8V~18V f=120Hz
62
dB
Dropout Voltage
Vd
T
j
=25℃
2.0
V
Short Circuit Current
Isc
T
j
=25℃
700
mA
极限参数 / Absolute Maximum Ratings(Ta=25℃)
电性能参数 / Electrical Characteristics(V
i
=10V,I
o
=350mA,T
j
=0℃~125℃,unless otherwise
specified）