AMS431LAM1 AMS [Advanced Monolithic Systems Ltd], AMS431LAM1 Datasheet

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AMS431LAM1

Manufacturer Part Number
AMS431LAM1
Description
1.2V SHUNT REGULATOR
Manufacturer
AMS [Advanced Monolithic Systems Ltd]
Datasheet
FEATURES
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 (V
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.
PIN CONNECTIONS
1.2V SHUNT REGULATOR
ORDERING INFORMATION:
TOL.
0.5%
1.0%
2.0%
Trimmed 0.5% Tolerance
Wide Operating Current Range 60 A to 100mA
Low Reference Input Current 0.4 A
Low Dynamic Output Impedance
Low Output Noise
Nominal Temperature Range to 85 C
Temperature-Compensated: 60ppm/ C
REF
Plastic Package (N)
Bottom View
1
ANODE
AMS431LAN
AMS431LBN
AMS431LCN
TO-92
2
3
TO-92
CATHODE
Advanced Monolithic Systems http://www.ams-semitech.com
AMS431LAL
AMS431LBL
AMS431LCL
REF
SOT-89
Top View
SOT-89
1
ANODE
(L)
2
PACKAGE TYPE
3
CATHODE
AMS431LAM
AMS431LBM
AMS431LCM
3 LEAD SOT-23
1
APPLICATIONS
Battery Powered Systems
Switching Power Supplies
Adjustable Power Supplies
Telecommunications
Error Amplifiers
Notebook/Personal Computer
Monitors/ VCR/ TV
Pagers
3L SOT-23
REF
REF
Top View
ANODE
) and 20V by adding two external resistors. The
(M)
CATHODE
AMS431LAM1
AMS431LBM1
AMS431LCM1
5 LEAD SOT-23
CATHODE
AMS431L
N/C
N/C
5L SOT-23
Top View
TEMP. RANGE
1
2
3
OPERATING
-40 to +85 C
-40 to +85 C
-40 to +85 C
(M1)
5
4
REFERENCE
ANODE

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AMS431LAM1 Summary of contents

Page 1

... AMS431LAM AMS431LBM AMS431LCM SOT-89 3L SOT-23 (L) (M) ANODE REF ANODE CATHODE REF Top View Top View 1 AMS431L OPERATING 5 LEAD SOT-23 TEMP. RANGE AMS431LAM1 -40 to +85 C AMS431LBM1 -40 to +85 C AMS431LCM1 - SOT-23 (M1) N N/C 2 CATHODE 3 4 CATHODE Top View ANODE REFERENCE ...

Page 2

ABSOLUTE MAXIMUM RATINGS (Note 1) Cathode Voltage ( Continuous Cathode Current ( Reference Input Current (I ) REF Junction Temperature ( Storage temperature Lead Temperature (Soldering, 10sec.) Note 1 : Absolute Maximum Ratings indicate ...

Page 3

TEST CIRCUITS REF IN I REF REF Figure 1. Test Circuit for REF TYPICAL APPLICATIONS REF R2 GND 1) Set the V according to the ...

Page 4

TYPICAL PERFORMANCE CHARACTERISTICS Cathode Current vs. Cathode Voltage 300 T =25° 200 R REF 100 0 -100 -200 -300 -1 -0.5 0 0.5 1 1.5 CATHODE VOLTAGE (V) Reference Input Current vs. Junction Temperature 150 ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS (Continued) Small Signal Gain and Phase Shift vs. Frequency -10 -20 100 1k 10k FREQUENCY (Hz) Stability Boundary Condition 3.5 T =25° 3.0 Stable 2.5 2.0 ...

Page 6

PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted. 0.060±0.005 (1.524±0.127) DIA 0.180±0.005 (4.572±0.127) 0.500 (12.70) MIN 0.050±0.005 (1.270±0.127) 0.102-0.118 (2.60-3.00) 0.059-0.070 (1.50-1.75) 0.037 (0.95) TYP 0.018-0.024 (0.457-0.610) 0.036-0.051 (0.090-1.30) 0.003 (0.150) MAX Advanced Monolithic Systems http://www.ams-semitech.com 3L TO-92 PLASTIC PACKAGE (N) ...

Page 7

PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued). 0.083-0.098 (2.108-2.489) 0.047-0.055 (1.194-1.397) 0.035-0.040 (0.889-1.016) 0.018-0.024 (0.457-0.610) 0.035-0.041 (0.089-1.041) 0.0005-0.0040 (0.013-0.102) 0.155-0.167 (3.94-4.25) 0.090-0.102 (2.29-2.60) 0.059 (1.50) BSC Advanced Monolithic Systems http://www.ams-semitech.com 3 LEAD SOT-23 PLASTIC PACKAGE (M) 0.110-0.120 (2.794-3.048) 0.015-0.017 ...

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