ilc7083 Fairchild Semiconductor, ilc7083 Datasheet - Page 9

• Manufacturer Part Number: ilc7083
• Description: 150ma Sot-23 Low Noise Cmos Rf-ldo ?egulator
• Manufacturer: Fairchild Semiconductor

REV. 1.0.9 1/28/03
Note, ground plane is bottom layer of PCB and connects to top layer ground connections through vias.
Ground Plane
Figure 9. Recommended Application Circuit Layout (not drawn to scale)
+
V
True GND
BATT
(0V)
Figure 8. Recommended Application Circuit Schematic
V
C
IN
IN
DC/DC
Converter
Figure 7. Effects of Poor Circuit Layout
+IGND
I
+IC
+IC
Fairchild Semiconductor - Eval. Board
GND
LOAD
GND2
OUT
NOISE
5
1
ILC7083
SOT-23-5
Ground Plane
GND1
2
V
C
IN
IN
+IC
+IC
ON/OFF
I
LOAD
4
3
OUT
NOISE
5
1
ILC7083
SOT-23-5
Ground Plane
GND3
2
+IC
4
3
I
LOAD
ON/OFF
OUT
C
GND4
NOISE
V
C
IC
OUT
OUT
OUT
I
LOAD
C
ESR<0.5
V
OUT
OUT
GND5
Ground Plane
ILC7083/ILC7084
9