G916 데이터 시트보기 (PDF) - Global Mixed-mode Technology Inc
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G916 Datasheet PDF : 13 Pages
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Global Mixed-mode Technology Inc.
G916
Layout Guide
An input capacitance of ≅ 1µF is required between the
G916 input pin and ground (the amount of the capaci-
tance may be increased without limit), This capacitor
must be located a distance of not more than 1cm from
the input and return to a clean analog ground.
Input capacitor can filter out the input voltage spike
caused by the surge current due to the inductive effect
of the package pin and the printed circuit board’s rout-
ing wire. Otherwise, the actual voltage at the IN pin
may exceed the absolute maximum rating.
The output capacitor also must be located a distance
of not more than 1cm from output to a clean analog
ground. Because it can filter out the output spike
caused by the surge current due to the inductive effect
of the package pin and the printed circuit board’s rout-
ing wire. Figure 5 is adjustable mode of G916 PCB
layout.
Safe Operating Area of IOUT=150mA
[Power Dissipation Limit]
250
TA = 55°C
200
TA = 85°C
TA = 25°C
150
100
50 Still Air
1oz copper on SOT-23-5 Package
Mounted on recommended foorprint (RθJA=240°C/W)
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2
Input-Output Voltage Differential VIN-VOUT (V)
Note: VIN (max) <= 5.5V
Figure 3a. Safe Operating Area (IOUT=150mA)
Safe Operating Area of IOUT=300mA
[Power Dissipation Limit]
400
Still air
350
1oz copper on SOT-23-5 package
Mounted on recommended foorprint (RθJA=240°C/W)
300
250
TA = 25°C
200
TA = 55°C
150
100 TA = 85°C
50
0
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
Input-Output Voltage Differential VIN-VOUT (V)
Note: VIN(max) <= 5.5V
Figure 3b. Safe Operating Area (IOUT=300mA)
Maximum Power Dissipation of SOT-23-5
0.7
Still air
0.6
1oz copper on SOT-23-5 package
Mounted on recommended foorprint (RθJA=240°C/W)
0.5
0.4
0.3
0.2
0.1
0
25 35 45 55 65 75 85 95 105 115 125
Amibent Temperature TA (°C)
Figure 4. Power Dissipation vs. Ambient Temperature
*Distance between pin & capacitor must no more than 1cm
Figure 5. Adjustable Mode
Recommend Minimum Footprint
TSOT-23-5、SOT-23-5
Ver: 1.7
Jan 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
11
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