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LR8304 Datasheet(PDF) 2 Page - Leshan Radio Company

Part # LR8304
Description  Low Power DC-DC Step-Up Converter
PDF  13 Pages
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Manufacturer  LRC [Leshan Radio Company]
Direct Link  http://www.lrc.cn/
Logo LRC - Leshan Radio Company

LR8304 Datasheet(HTML) 2 Page - Leshan Radio Company

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TYPICAL APPLICATION CIRCUIT
SW
VSS
FB
10
H
10K
EN
R1
R2
COUT
1
F
D1
VIN
CFF
CIN
4.7
F
VOUT= VIN to 28V
VIN= 2.0V to 5.5V
Figure 1 Standard Application Circuit
PIN CONFIGURATION
SOT23-6
SOT23-5
DFN2X2-6
Top View
Top View
Top View
PIN
DESCRIPTION
SOT23-6
SOT23-5
DFN2X2-6
NAME
E
M
FB6
FB6B
3
1
6
4
SW
Switch Pin. Switch Pin. It is connected to the
drain of the internal power MOSFET. Connect this
pin to the inductor and Schottky diode.
4
2
1
3
GND
Ground
6
3
4
1
FB
Feedback Pin. Feedback Pin. Connect this pin to
the external voltage divider to program the desired
output voltage.
2
4
3
5
EN
Chip Enable. Enable Pin. Pulling this pin to
ground forces the device into shutdown mode
reducing the supply current to less than 1 A. This
pin should not be left floating and needs to be
terminated.
1
5
2
6
VIN
Chip Supply Pin. Power Supply. Must be closely
decoupled to GND with a capacitor
5
-
5
2
NC
No Connection
-
-
7
7
Exposed
Pad
Power Ground Exposed Pad.
Must be connected to GND plane.
LESHAN RADIO COMPANY, LTD.



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