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PDF AMS431LAM Data sheet ( Hoja de datos )
| Número de pieza | AMS431LAM | |
| Descripción | 1.2V SHUNT REGULATOR | |
| Fabricantes | Advanced Monolithic Systems | |
| Logotipo |  |
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Advanced
Monolithic
Systems
AMS431L
1.2V SHUNT REGULATOR
FEATURES
• Trimmed 0.5% Tolerance
• Wide Operating Current Range 60µA to 100mA
• Low Reference Input Current 0.4µA
• Low Dynamic Output Impedance
• Low Output Noise
• Nominal Temperature Range to 85°C
• Temperature-Compensated: 60ppm/°C
APPLICATIONS
• Battery Powered Systems
• Switching Power Supplies
• Adjustable Power Supplies
• Telecommunications
• Error Amplifiers
• Notebook/Personal Computer
• Monitors/ VCR/ TV
• Pagers
GENERAL DESCRIPTION
The AMS431L is a three-terminal adjustable shunt regulator with guaranteed temperature stability over the entire range of
operation. The output voltage can be set to any value between 1.24V (VREF) and 20V by adding two external resistors. The
AMS431L features 0.5% initial tolerance, low dynamic output impedance and operates over a wide current range. Due to the
sharp turn-on characteristics this device is an excellent replacement for zener diodes in many applications.
AMS431 is available in TO-92, SOT-89, 3 pin SOT-23 and 5 pin SOT-23 packages.
ORDERING INFORMATION:
TOL.
±0.5%
±1.0%
±2.0%
TO-92
AMS431LAN
AMS431LBN
AMS431LCN
PACKAGE TYPE
SOT-89
3 LEAD SOT-23
AMS431LAL
AMS431LBL
AMS431LCL
AMS431LAM
AMS431LBM
AMS431LCM
5 LEAD SOT-23
AMS431LAM1
AMS431LBM1
AMS431LCM1
OPERATING
TEMP. RANGE
-40 to +85° C
-40 to +85° C
-40 to +85° C
PIN CONNECTIONS
TO-92
Plastic Package (N)
1 23
REF
ANODE
CATHODE
Bottom View
SOT-89
(L)
123
REF ANODE CATHODE
Top View
3L SOT-23
(M)
ANODE
REF CATHODE
Top View
5L SOT-23
(M1)
N/C 1
N/C 2
CATHODE 3
5 ANODE
4 REFERENCE
Top View
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
AMS431L
Small Signal Gain and Phase Shift
vs. Frequency
80
70
-180
-225
60 -270
50 -315
40 -360
30
20
10
0
-10
-20
100
1k 10k 100k 1000k
FREQUENCY (Hz)
Small Signal Gain and Phase Shift
Test Circuit
IZ
10µF 15k
OUT
232
8.25k
+
-
GND
Stability Boundary Condition
3.5
TA =25° C
3.0
Stable
2.5
Stable
2.0
1.5
1.0 VZ = VREF
0.5
0.0
0.001 0.01
0.1
VZ = 2V
1
LOAD CAPACITANCE ( µF)
10
Stability Circuit
IZ
+
-
R1
CL
R2
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AMS431LAM.PDF ] | |
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