UD05206

Advance

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD

3 of 4

www.unisonic.com.tw

QW-R115-018.b



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

6.0

V

SW Pin Voltage

V

FB Pin Voltage

V

EN Pin Voltage

6.6

V

Maximum Switch Source Current(DC)

2.6

A

Maximum Peak SW Sink and Source Current(AC)

4.3

A

Maximum Junction Temperature Range

+125

°C

Storage Temperature Range

-65 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



RECOM M EN DED OPERAT I N G CON DI T I ON S

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

+2.5V ~ +5.5V

V

Operating Ambient Temperature Range

-40 ~ +85

°C



T H ERM AL CH ARACT ERI ST I CS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

90

°C/W

Junction to Case

11

°C/W



ELECT RI CAL CH ARACT ERI ST I CS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage Range

2.5

5.5

V

Quiescent Current

128

µA

Shutdown Current

1

µA

HS Switch-On Resistance (Note 1, 2)

120

m

Ω

LS Switch-On Resistance (Note 1, 2)

130

m

Ω

SW Leakage

±0.01

±1.0

uA

Peak Inductor Current

3.3

A

0.588

0.6

0.612

V

Feedback Voltage

0.582

0.6

0.618

V

EN Threshold

0.3

1

V

EN Input Current

±0.01

±1.0

uA

Oscillation frequency

1.2

1.8

MHz

Notes: 1. Guaranteed by design.

2. Not tested in production and guaranteed by over-temperature correlation.