CL431S PDF даташит
Спецификация CL431S изготовлена «Calogic LLC» и имеет функцию, называемую «Precision Adjustable Shunt Reference». |
|
Детали детали
Номер произв | CL431S |
Описание | Precision Adjustable Shunt Reference |
Производители | Calogic LLC |
логотип |
6 Pages
No Preview Available ! |
CORPORATION
FEATURES
• Trimmed 0.5% Bandgap Reference
• Nominal Temperature Range Extended to 105oC
• Temperature-Compensated: 30ppm/oC
• Internal Amplifier with 150mA Capability
• Low Output Noise
• Low Frequency Dynamic Output Impedance
PIN CONFIGURATION (Top View)
Precision Adjustable
Shunt Reference
CL431
DESCRIPTION
The CL431 is an adjustable shunt regulator designed to act as
an open-loop error amplifier with a 2.5V temperature
compensated reference. Its highly accurate 0.5% bandgap
reference is perfect for applications requiring stability and
accuracy over temperature and life.
Sharp turn-on characteristics and a low temperature
coefficient make the CL431 an excellent replacement for
many zener diode applications, programmable to any value
greater than 2.5V and up to 36V by using two external
resistors. As a combination error amplifier and reference, it
can be used to manage control loops such as switching power
supplies.
The CL431 can be used as a direct replacement for the
standard TL431.
ORDERING INFORMATION
Part
CL431LP
CL431D
CL431S
Package
Temperature Range
TO-92
8-Pin Plastic SOIC
SOT-89
0 to 105oC
0 to 105oC
0 to 105oC
TO-92 (LP)
CATHODE
ANODE
REFERENCE
1G-33
CATHODE 1
ANODE 2
ANODE 3
N/C 4
SOIC (D)
8 REFERENCE
7 ANODE
6 ANODE
5 N/C
1G-34
SOT-89 (S)
CATHODE
ANODE
REFERENCE
1G-35
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
No Preview Available ! |
CL431
CORPORATION
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNITS
VKA
IAK
IKA
IREF
PD
TJ
TSTG
TL
Cathode-Anode Reverse Breakdown
Anode-Cathode Forward Current
Operating Cathode Current
Reference Input Current
Continuous Power at 25oC
TO-92
8L SOIC
SOT-89
Junction Temperature
Storage Temperature
Lead Temperature, Soldering 10 Seconds
37
1
250
10
775
750
1000
150
–65 to 150
300
V
A
mA
mA
mW
mW
mW
oC
oC
oC
Exceeding ABSOLUTE MAXIMUM RATINGS may cause permanent damage. Extended operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not recommended as it may adversely affect reliability and performance.
RECOMMENDED CONDITIONS
SYMBOL
PARAMETER
VKA Cathode Voltage
IK Cathode Current
RATING
VREF to 20
10
UNIT
V
mA
FUNCTIONAL BLOCK DIAGRAM
TYPICAL THERMAL RESISTANCE
PACKAGE
TO-92
SOIC
SOT-89
θJA
160oC/W
175oC/W
110oC/W
θJC
80oC/W
45oC/W
8oC/W
TYPICAL DERATING
6.3mW/oC
5.7mW/oC
9.1mW/oC
CATHODE (K)
REFERENCE (R)
+
–
2.5V
ANODE (A)
1G-36
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
No Preview Available ! |
CORPORATION
CL431
ELECTRICAL CHARACTERISTICS
Electrical Characteristics are guaranteed over full junction temperature range (0 to 105oC). Ambient temperature must be derated based on
power dissipation and package thermal characteristics. The conditions are: VKA = VREF and IK = 10mA unless otherwise stated.
SYMBOL
PARAMETER
VREF
TC
Reference Voltage
∆VREF with Temp.*
CL431 (0.5%)
MIN TYP
2.490
2.503
2.469
0.07
MAX
2.515
2.536
0.20
UNIT
TEST
CIRCUIT
TEST CONDITION
V 1 TA = 25oC
V 1 Over Temp.
mV/ oC
1
∆VREF
∆VK
Ratio of Change in VREF to
Cathode Voltage
–2.7
–2
–1.0
–0.4
VREF to 10V
mV/V
2
0.3 10V to 36V
IREF Reference Input Current
0.7 4 µA 2
∆IREF
IREF Temp Deviation
0.4 1.2 µA 2 Over Temp.
IK(MIN)
Min IK for Regulation
0.4 1 mA 1
IK(OFF)
Off State Leakage
0.04
250 nA
3 VREF = 0V, VKA = 36V
ZKA Dynamic Output Impedance
0.15 0.5 Ω 1 f ≤ 1kHz, IK = 1 to 150mA
*CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC)
000
5000
–10
0.5
∆VREF
∆T
0 15 30 45 60 75 90 105
TEMPERATURE (˚C)
0.07 mV/˚C
0.003 %/˚C
27 ppm/˚C
1G-37
•
TC
in
mV/oC
=
∆VREF (mV)
∆TA
• TC in %/oC =
∆VREF
VREF
at
25oC
∆TA
x 100
∆VREF
•
TC
in
ppm/oC
=
VREF
at 25oC
∆TA
x 106
TEST CIRCUITS
VIN
I REF
VKA = VREF
IK
VIN
R1
(VREF )
R2
I REF
VKA
IK
VIN VKA
I K(OFF)
1G-38
TEST CIRCUIT 1
1G-39
TEST CIRCUIT 2
1G-40
TEST CIRCUIT 3
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
Скачать PDF:
[ CL431S.PDF Даташит ]
Номер в каталоге | Описание | Производители |
CL431 | Precision Adjustable Shunt Reference | Calogic LLC |
CL431D | Precision Adjustable Shunt Reference | Calogic LLC |
CL431LP | Precision Adjustable Shunt Reference | Calogic LLC |
CL431S | Precision Adjustable Shunt Reference | Calogic LLC |
Номер в каталоге | Описание | Производители |
TL431 | 100 мА, регулируемый прецизионный шунтирующий регулятор |
Unisonic Technologies |
IRF840 | 8 А, 500 В, N-канальный МОП-транзистор |
Vishay |
LM317 | Линейный стабилизатор напряжения, 1,5 А |
STMicroelectronics |
DataSheet26.com | 2020 | Контакты | Поиск |