EM5045 datasheet(3/8 Pages) EXCELLIANCE

3 / 8 page

2012/02/27

A.1

EM5045

Absolute Maximum Ratings (Note1)

VIN ------------------------------------------------------------------------------------------------------ -0.3V to +6.0V

VCNTL --------------------------------------------------------------------------------------------------- -0.3V to +6.0V

Other Pins------------------------------------------------------------------------------------

-0.3V to (VCNTL+0.3V)

Power Dissipation, PD @ TA = 25°C, PSOP8 ---------------------------------------------------------- 1.33W

Package Thermal Resistance, ΘJA, PSOP8 (Note 2)----------------------------------------------

75°C/W

Junction Temperature------------------------------------------------------------------------------------------

150°C

Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------

260°C

Storage Temperature ----------------------------------------------------------------------------

−65°C to 150°C

ESD susceptibility (Note3)

HBM (Human Body Mode)-----------------------------------------------------------------------------------

2KV

MM (Machine Mode)-----------------------------------------------------------------------------------------

200V

Recommended Operating Conditions (Note4)

Control Voltage, VCNTL ------------------------------------------------------------------------------ +4.5V to +5.5V

Supply Input Voltage, VIN ---------------------------------------------------------------------------- +1V to VCNTL

Junction Temperature ----------------------------------------------------------------------------- −40°C to 125°C

Ambient Temperature ------------------------------------------------------------------------------- −40°C to 85°C

Electrical Characteristics

VCNTL= 5V, VIN= 1.8V, VREFEN= 0.9V, TA=25℃, unless otherwise specified

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Supply Input Section

Control Input Voltage

VCNTL

4.5

5.5

POR Threshold

VPORTH VCNTL rising

3.6

POR Hysteresis

VPORHYS

0.2

CNTL Operation Current

ICNTL

IOUT=0A

0.7

2.5

Shutdown Current

ISD

VREFEN=0V

Output Voltage

Output Offset Voltage

VOS

IOUT=0A

-20

Load Regulation

∆VLOAD IOUT =±1.8A

-20

REFEN Shutdown

Enable High Level

VEN

0.4

Disable Low Level

VSD

0.15

Protection

OCP Threshold Level

IOCP

Source / Sink

1.8

3.0

4.2

Output Short Circuit Current

ISC

Source / Sink

1.5

Thermal Shutdown Temperature

TSD

VEN=VIN , IOUT=0A

160

Thermal Shutdown Hysteresis

TSDHYS

VEN=VIN , IOUT=0A

Note 1.

Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device.

These are for stress ratings. Functional operation of the device at these or any other conditions beyond

those indicated in the operational sections of the specifications is not implied. Exposure to absolute

maximum rating conditions for extended periods may remain possibility to affect device reliability.

Note 2.

JA is measured in the natural convection at TA=25

oC on a 4-layers high effective thermal conductivity test board with

minimum copper area of JEDEC 51-7 thermal measurement standard.

Note 3.

Devices are ESD sensitive. Handling precaution is recommended.

Note 4.

The device is not guaranteed to function outside its operating conditions.

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