L5107

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 9

www.unisonic.com.tw

QW-R125-026.A



ELECTRICAL CHARACTERISTICS(Note 4)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage Range

6

45

V

Under Voltage Lockout

UVLO

3.5

4.9

5.5

V

Quiescent Current

switching)

3.2

10

mA

Shutdown Current

30

μA

Feedback Voltage (at IADJ)

Room temperature (3%)

242.5

250

257.5

mV

237.5

250

262.5

mV

Feedback Input Current

1.2

3

μA

Line Regulation

2

%

Load Regulation

2

%

Maximum Duty Cycle

88

%

Enable Threshold

Turn ON

1.15

1.5

V

Turn OFF

0.4

1.1

Enable Pin Current

17

30

μA

PWMD Threshold

Turn ON

0.75

1.5

V

Turn OFF

0.4

0.7

PWMD Frequency Range

L=47μH, C=4.7μF (Note 5)

0

500

Hz

Programmable Oscillator

Frequency

109

kHz

360

400

440

950

Low EMI

Frequency dither shift from nominal

±12

%

Current Limit Threshold Voltage

0.315

0.45

0.585

V

250

μA

Over Voltage Protection

1.203

1.24

1.277

V

Driver Impedance

Sink

2.4

3.5

Ω

Source

2

Driver Voltage High

7

9

11

V

Over-Temperature Threshold

Shutdown

150

°C

Thermal Shutdown

Hysteresis

5

°C

Notes: 1. Exceeding the absolute maximum rating may damage the device.

2. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with

100pF.

3. The device is not guaranteed to function outside its operating rating.

4. Specification for packaged product only.

5. Guaranteed by design