AME AME4311GEET Low voltage shunt regulator Datasheet

AME, Inc.
Low Voltage Shunt Regulator
AME4311
n General Description
n Functional Block Diagram
The AME4311 is a low volatge version of the industry
standard 431 shunt regulator. The AME4311 reference is
set to 1.24 volts. The output voltage can be set to any
value between 1.24V and 8V with two external resistors.
(For factory set internal feedback resistors see the
AME4312.) When used with an optocoupler these devices are ideal for isolated 3.3V switching supplies.
Analog Microelectronics offers this part in a TO-92 package as well as the space saving SOT-23 and SOT-25
packages.
V+
REF
For isolated switching power supplies requiring voltages lower than 2.7V see the AME4315.
VR=1.24
n Features
l
l
l
l
l
Small packages: SOT-23, SOT-25, TO-92
Low voltage operation, 1.24V
Tight voltage tolerance --- ±0.5%,±1.0%, ±1.5%
Wide operating current ------- 80µA to 15mA
Wide temperature range ----- -40oC to +85oC
l Low temperature coefficient --100ppm/oC(max)
GND
n Pin Configuration
SOT-23
Top View
SOT-25
Top View
l Excellent transient response
GND
n Applications
l
l
l
l
l
l
l
Battery Operating Equipments
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
REF
GND
V+
REF
V+
TO-92
Top View
V+ GND REF
1
AME, Inc.
Low Voltage Shunt Regulator
AME4311
n Ordering Information
Part Number
Marking
Output Voltage Tolerance Package
Temp. Range
AME4311EEAT
AME
4311
EEAT
yyww
1.24
0.5%
TO-92
- 40oC to + 85oC
AME4311EEET
AVVww
1.24
0.5%
SOT-23
- 40oC to + 85oC
AME4311FEET
AVWww
1.24
1.0%
SOT-23
- 40oC to + 85oC
AME4311GEET
AVXww
1.24
1.5%
SOT-23
- 40oC to + 85oC
AME4311EEEV
AGFww
1.24
0.5%
SOT-25
- 40oC to + 85oC
Please consult AME sales office or authorized Rep./Distributor for other voltage accuracy and package type availability.
2
AME, Inc.
Low Voltage Shunt Regulator
AME4311
n Absolute Maximum Ratings
Parameter
Maximum
Unit
20
mA
Supply Current
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device
n Recommended Operating Conditions
Parameter
Rating
Unit
100µA ~ 15mA
Supply Current
-40 to +85
o
C
-40 to +125
o
C
Ambient Temperature Range
Junction Temperature
n Thermal Information
Parameter
Thermal Resistance
Maximum
SOT-23
325
SOT-25
325
TO-92
180
Unit
o
C/W
Maximum Junction Temperature
150
o
Maximum Lead Temperature (10 Sec)
300
o
C
C
3
AME, Inc.
Low Voltage Shunt Regulator
AME4311
n Electrical Specifications
TA = 250C, IREF=10mA unless otherwise specified
Parameter
Reference Voltage
(Test Circuit 1)
Ratio of Change in VREF to
Cathode Voltage
Reference Input Current
Symbol
Test Condition
VREF 0.5%
TA =25oC, IREF = 10mA
o
Min
Typ
Max
Units
1.234 1.240 1.246
V
VREF 1.0%
TA =25 C, IREF = 10mA
1.228 1.240 1.252
V
VREF 1.5%
TA =25oC, IREF = 10mA
1.221 1.240 1.258
V
∆ VREF
∆ VK
VKA = 6V to 8V
(Test Circuit 2)
IREF
Test Circuit 2
-2.7
0.3
mV/V
1.0
µA
1000
nA
V REF = 0V
Off State Leakage
IK (OFF)
Minimum Current IK
VK = 7V
(Test Circuit 3)
IMIN
Reference Voltage Temp. Coeff.
Dynamic Output Impendance
VIN
VKA = VREF
IKA=10mA
µA
80
V REFTC
0oC < TA < 70oC
100
rZ
V Z = VREF , IZ = 0.1mA to 15mA,
Frequency = OHZ
0.3
VIN
VKA
ppm/ oC
VIN
VKA
IK(OFF)
R1
IREF
IK
VREF
R2
Test Circuit 1
4
Ω
0.4
Test Circuit 2
Test Circuit 3
AME, Inc.
Low Voltage Shunt Regulator
AME4311
Reference Voltage vs. Temperature
Reference Voltage @ 10mA(V)
Dynamic Impedance 0.1-15mA (ohm)
Dynamic Impedance vs. Temperature
0.35
0.33
0.31
0.29
0.27
0.25
0.23
0.21
0.19
0.17
0.15
-45
-5
25
55
Temperature
85
1.234
1.232
1.230
1.228
1.226
1.224
1.222
-45
-5
25
55
85
Temperature (oC)
(oC)
Reference Input Current vs. Temperature
Line Transient Response, IK=10mA
0.12
VIN
0.10
0.08
1V / DIV
Reference Input Current (uA)
0.14
0.06
VOUT
0.04
0.02
0.00
-45
-5
25
55
CH1
85
1.00V
Temperature ( oC)
High Current Operating Characteristics
CH1
800mV
Low Current Operating Characteristics
T=25 OC
IK- Cathode Current (µ
µ A)
IK- Cathode Current (mA)
M1.00µS
1050
30
20
10
0
-10
-20
-30
-1.0
1.00V
Frequency=100KHz
50
40
CH2
900
750
600
450
300
150
0
-0.5
0
0.5
1.0
VKA- Cathode Voltage (V)
1.5
-150
-1.0
-0.5
0
0.5
1.0
1.5
VKA- Cathode Voltage (V)
5
AME, Inc.
Low Voltage Shunt Regulator
AME4311
n Package Dimension
TO-92-3 (bulk pack)
SYMBOLS
Top View
Side View
MILLIMETERS
INCHES
MIN
MAX
MIN
MAX
A
4.32
4.95
0.1701
0.1949
b
0.36
0.51
0.0142
0.0201
E
3.30
3.94
0.1299
0.1551
e
2.41
2.67
0.0949
0.1051
e1
1.14
1.40
0.0449
0.0551
L
12.70
15.49
0.5000
0.6098
R
2.16
2.41
0.0850
0.0949
W
0.41
0.56
0.0161
0.0220
D
4.45
4.95
0.1752
0.1949
Notes:
1. Package outline exclusive of any mold flashes dimension.
2. Package outline exclusive of burr dimension.
3. Lead pitch=2.54mm is bulk pack.
4. Lead pitch=5.08mm is tape pack.
TO-92-3 (tape pack)
SYMBOLS
Top View
Side View
MILLIMETERS
INCHES
MIN
MAX
MIN
MAX
A
4.32
4.95
0.1701
0.1949
b
0.36
0.51
0.0142
0.0201
E
3.30
3.94
0.1299
0.1551
e
4.98
5.08
0.1961
0.2000
e1
2.49
2.54
0.0980
0.1000
L
12.70
15.49
0.5000
0.6098
R
2.16
2.41
0.0850
0.0949
W
0.41
0.56
0.0161
0.0220
D
4.45
4.95
0.1752
0.1949
Notes:
1. Package outline exclusive of any mold flashes.
2. Package outline exclusive of burr dimension.
3. Lead pitch=2.54mm is bulk pack.
4. Lead pitch=5.08mm is tape pack.
6
AME, Inc.
Low Voltage Shunt Regulator
AME4311
n Package Dimension
SOT-23
Top View
Side View
SYMBOLS
D
L
H
E
£ c
1
MAX
MIN
MAX
A
1.00
1.40
0.0394
0.0551
A1
0.00
0.15
0.0000
0.0059
b
0.35
0.50
0.0138
0.0197
C
0.09
0.25
0.0035
0.0098
D
2.70
3.10
0.1063
0.1220
E
1.40
1.80
0.0551
0.0709
e
H
Front View
L
A
è1
1.90 BSC
2.40
3.00
0.35BSC
0o
10o
0.0748 BSC
0.09449 0.11811
0.0138BSC
0o
10 o
A1
b
INCHES
MIN
C
e
MILLIMETERS
SOT-25
Top View
Side View
SYMBOLS
MIN
E
L
D
£ c
1
S1
A
MAX
0.0472REF
0.00
0.15
0.0000
0.0059
b
0.30
0.55
0.0118
0.0217
D
2.70
3.10
0.1063
0.1220
E
1.40
1.80
0.0551
0.0709
e
L
è1
Front View
MIN
A1
H
e
MAX
1.20REF
INCHES
S1
1.90 BSC
2.60
3.00
0.37BSC
0o
10 o
0.95BSC
0.07480 BSC
0.10236 0.11811
0.0146BSC
0o
10o
0.0374BSC
b
A1
A
H
MILLIMETERS
7
www.ame.com.tw
E-Mail: [email protected]
Life Support Policy:
These products of AME, Inc. are not authorized for use as critical components in life-support
devices or systems, without the express written approval of the president
of AME, Inc.
AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and
advises its customers to obtain the latest version of relevant information.
 AME, Inc. , December 2003
Document: 2012-DS4311-A
Corporate Headquarter
U.S.A. (Subsidiary)
AME, Inc.
Analog Microelectronics, Inc.
2F, 189 Kang-Chien Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
3100 De La Cruz Blvd., Suite 201
Santa Clara, CA. 95054-2046
Tel: 886 2 2627-8687
Fax: 886 2 2659-2989
Tel : (408) 988-2388
Fax: (408) 988-2489
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