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L1806G-SH2-R Datasheet, PDF (2/7 Pages) Unisonic Technologies – With internal Soft-Start
L1806
 MARKING
HSOP-8
DFN-10(3×3)
CMOS IC
 PIN CONFIGURATION
PG 1
EN 2
VIN 3
VCNTL 4
GND
8 GND
7 FB
6 VOUT
5 NC
HSOP-8
NC 1
VOUT 2
NC 3
FB 4
PG 5
GND
11
10 VCNTL
9 NC
8 VIN
7 NC
6 EN
Top View
DFN-10(3×3)
 PIN DESCRIPTION
PIN NO.
HSOP-8
DFN-10(3×3)
1
5
2
6
3
8
4
10
5
1, 3, 7,9
6
2
7
4
8
11
PIN NAME
DESCRIPTION
PG
EN
VIN
VCNTL
NC
VOUT
FB
GND
Power Good.Output open drain to indicate the status of VOUT via
monitoring the FB pin. This pin is pulled low when the voltage is
outside the limits, during thermal shutdown and if either VCNTL or VIN
go below their thresholds.
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.
Power Input Pin for current supply. Connect a decoupling capacitor
(≥10µF) as close as possible to the pin for noise filtering
BIAS supply for the controller, recommended 5V. Connect a
decoupling capacitor (≥1µF) as close as possible to the pin for
noise filtering.
No Connection
Power output pin
Feedback to set the output voltage via an external resistor divider
between VOUT and GND
Ground
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R102-063.b