AMS2930 데이터 시트보기 (PDF) - Advanced Monolithic Systems Inc
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AMS2930 Datasheet PDF : 9 Pages
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PIN CONNECTIONS
FIXED OUTPUT VOLTAGE
TO-92
Plastic Package (N)
OUTPUT
INPUT
GND
Bottom View
8L SOIC
SO-Package (S)
OUTPUT 1
GROUND 2
GROUND 3
N/C 4
8 INPUT
7 GROUND
6 GROUND
5 N/C
Top View
AMS2930
TO-220 (T)
OUTPUT
GND
INPUT
TO-263 (M)
TAB IS
GND
OUTPUT
GND
INPUT
Front View
Top View
ADJUSTABLE OUTPUT VOLTAGE
8L SOIC
SO-Package (S)
OUTPUT 1
GROUND 2
GROUND 3
ADJ 4
8 INPUT
7 GROUND
6 GROUND
5 ON/OFF
Top View
TYPICAL APPLICATIONS
AMS2930-X (Fixed Output)
AMS2930C (Adjustable Output)
VCC
VIN
UNREGULATED
INPUT
C1*
0.1µF
AMS2930
GND
IQ
VOUT
REGULATED
OUTPUT
C2**
100µF
*Required if regulator is located far from power supply filter.
**C2 must be at least 100µF to maintain stability; it can be increased
without bound to maintain regulation during transients and it should be
located as close as possible to the regulator. This capacitor must be rated
over the same operating temperature range like the regulator. The ESR
of this capacitor is critical (see curve) and it should by less than 1Ω over
the expected operating temperature range.
C1*
0.1µF
R3
51k
OFF
OUT
VOUT
ON/OFF AMS2930
R1
ADJUSTABLE
28k
ON
ADJ
+ C2**
GND
100µF
R2
VOUT = VREF × ( R1+R2)/R1
Note: Using 27k for R1 will automatically compensate for errors in VOUT
due to the input bias current of the Adjust Pin ( approx. 1µA)
www.advanced-monolithic.com
updated April 24, 2009
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