ETA3452

www.etasolution.com

2

Powering Minds of the Smart

PIN CONFIGURATION

ABSOLUTEMAXIMUM RATINGS

(Note: Exceeding these limits maydamage the device. Exposure to absolute maximum rating

conditions for long periods may affect device reliability.)

VIN Voltage ..................................................................–0.3V to 6.0V

All Other Pin Voltage ....................................VIN–0.3V to VIN+0.3

SW to ground current……………………..…………...Internally limited

Operating Temperature Range …………………....…–40°C to 85°C

Storage Temperature Range ……..……….………….–55°C to 150°C

Thermal Resistance

JC

JA

SOT23-6………………………..…………….100…………...190….......... °C/W

ELECTRICAL CHACRACTERISTICS

(VIN = 3.6V, unless otherwise specified. Typical values are at TA = 25oC.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

2.6

5.5

V

Input UVLO

Rising, Hysteresis=250mV

2.15

V

Input OVP

Rising, Hysteresis=200mV

6.25

V

Input Supply Current

VFB =0.5V, Device Not Switching

50

μA

Input Shutdown Current

EN=GND

0.1

1

μA

FB Feedback Voltage

0.441

0.45

0.459

V

FB Input Current

0.01

μA

Output Voltage Range

0.45

VIN

V

Load Regulation

VIN =5V, IOUT =0 to 3A

0.67

%/A

Line Regulation

VIN =3V to 4.2V, IOUT =1A

0.29

%/V

Switching Frequency

1.0

1.5

2.0

MHz

PMOS Switch On Resistance

ISW =200mA

120

mΩ

NMOS Switch On Resistance

ISW =200mA

60

mΩ

PMOS Switch Current Limit

Vin=5V

4

4.5

A

SW Leakage Current

VIN=5.5V,VSW=0 or 5.5V,EN=GND

10

μA

EN Input Current

1

μA

EN Input Low Voltage

0.4

V

EN Input High Voltage

1.5

V

Thermal Shutdown

Rising, Hysteresis =20°C

155

°C