EP4001 datasheet(4/10 Pages) EOREX

4 / 10 page

eorex

EP4001

Aug. 2006

www.eorex.com

4/10

Electrical Characteristics

(VIN = 1.5V, VOUT=3.3V, IL = 0mA, TA=25°C, Test Circuit Figure 2, unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

Start-up Voltage

IL=1mA

0.85

1.05

Operating VOUT Range

VIN pin voltage

4.2

Quiescent Current (Shutdown

Current)

EN pin = 0V, VIN=4.5V

0.01

µA

Quiescent Current (Switch-off

Current)

VIN=6V

µA

Quiescent Current (Continuous

Switching Current)

VIN=EN=3.3V,

VFB=GND

0.4

0.6

Quiescent Current (No Load

Current)

110

µA

TA =+25°C

1.195

1.220

1.245

0°C

≤TA ≤ 85°C

1.190

1.220

1.250

VFB

Feedback Reference Voltage

-40°C

≤TA ≤ 85°C

1.183

1.220

1.257

Switching Frequency

380

450

520

KHz

DMAX

Maximum Duty

SW ON Resistance

0.03

1.1

Ω

ILIMIT

Current Limit Setting

EXT ON Resistance to VIN

Ω

EXT ON Resistance to GND

Ω

VOUT

Output Voltage

VIN=1.5V, IL=100mA

-40°C

≤TA ≤ 85°C

3.200

3.300

3.400

VOUT

Output Voltage

VIN=3.0V, IL=300mA

-40°C

≤TA ≤ 85°C

3.200

3.300

3.400

∆VLINE

Line Regulation

VIN=1V to 3V, IL=1mA

0.3

mV/V

∆VLOAD

Load Regulation

VIN=1.5V, IL=1mA to

100mA

0.4

mV/mA

∆VLOAD

Load Regulation

VIN=3.0V, IL=1mA to

300mA

0.4

mV/mA

EN Pin Trip Level

0.4

0.8

1.2

Temperature Stability for VOUT

110

ppm/°C

Thermal Shutdown

165

°C

Thermal Shutdown Hysteresis

°C

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