L3060

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R125-037.a



ELECTRICAL CHARACTERISTICS (Note 1, 2)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Input Voltage

5

30

V

Under Voltage Lock Out

4.7

V

UVLO Hysteresis

100

mV

Current Sense

Mean Current Sense Threshold Voltage

97

100

103

mV

Sense Threshold Hysteresis

±15

%

CS Pin Input Current

8

μA

Operating Frequency

Maximum Operation Frequency

1

MHz

Operating Current

Quiescent Supply Current with Output Off

100

μA

DIM Input

Internal Supply Voltage

DIM Floating

5

V

DIM Input Voltage High

2.5

V

DIM Input Voltage Low

0.3

V

DIM Pull Up Resistor to Internal Supply Voltage

150

KΩ

DIM Input Leakage to Ground

33

μA

DIM Brightness Dimmer

DC Brightness Control Range

0.5

2.5

V

Max. DIM Frequency

50

kHz

Duty Cycle Range of Low Frequency Dimming

0.05%

1

Brightness Control Ratio

2000:1

Duty Cycle Range of High Frequency Dimming

10%

1

Brightness Control Ratio

10:1

Output Power Switch

SW On Resistance

0.8

Ω

Continuous SW Current

0.5

A

SW Leakage Current

0.5

5

µA

Thermal Shutdown

Thermal Shutdown Threshold

150

°C

Thermal Shutdown hysteresis

20

°C

Notes: 1. Typical parameters are measured at 25˚C and represent the parametric norm.

2. Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.