L1806

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 7

www.unisonic.com.tw

QW-R102-063.c



MARKING

HSOP-8

DFN3030-10



PIN CONFIGURATION

1

NC

2

3

4

56

7

8

9

10

NC

FB

PG

EN

NC

NC

GND

Top View

DFN3030-10

HSOP-8

GND

1

2

3

45

6

7

8

PG

EN

NC

FB

GND

11



PIN DESCRIPTION

PIN NO.

HSOP-8

DFN3030-10

PIN NAME

DESCRIPTION

1

5

PG

monitoring the FB pin. This pin is pulled low when the voltage is

go below their thresholds.

2

6

EN

Enable Pin. Driving this pin low will disable the part. When left

floating an internal current source will pull this pin high and enable

it.

3

8

Power Input Pin for current supply. Connect a decoupling capacitor

(≥10µF) as close as possible to the pin for noise filtering

4

10

BIAS supply for the controller, recommended 5V. Connect a

decoupling capacitor (≥1µF) as close as possible to the pin for

noise filtering.

5

1, 3, 7,9

NC

No Connection

6

2

Power output pin

7

4

FB

Feedback to set the output voltage via an external resistor divider

8

11

GND

Ground