Revision 3/8/2012

Preliminary and all contents are subject to change without prior notice.

© Seaward Electronics, Inc., 2004. • www.seawardinc.com • Page 2

Fixed Voltage Regulator

(Preliminary)

SE78MXX

Absolute Maximum Rating

Parameter

Symbol

Maximum

Units

Input Voltage

36

V

Output current

Io

500

mA

Operating Junction Temperature Range

0 to +125

°C

Lead Temperature (Soldering) 10 seconds

260

°C

Power dissipation(note 1)

Internal Limited

W

Storage Temperature

-65 to +150

°C

ESD (HBM) Susceptibility

2

KV

Thermal Resistance, Junction-to-Ambient

θ

(JA)

250(SOT23-5)

92(TO-252)

Electrical Characteristics

Symbol

Parameter

Conditions

SE78M05

Unit

Min

Typ

Max

Output Voltage

Iout=10mA

3.201

3.3

3.399

V

4.80

5.0

5.20

7.68

8.0

8.32

8.64

9.0

9.36

Line Regulation

Iout=1mA

--

0.03%

mV/V

Load Regulation

--

0.005%

mV/mA

Quiescent Current

Io =10mA

--

4

mA

Quiescent Current Change

--

1

--

--

0.5

--

RR

Ripple Rejection

f =120Hz,

--

65

--

dB

Peak Output Current

1.0

--

A

Temperature coefficient of Vo

--

0.20

--

mV/°C

Vd

Dropout voltage

2.0

V

Output Noise Voltage

10Hz<f<100KHz

70

uV