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PDF CL432D Data sheet ( Hoja de datos )

Número de pieza CL432D
Descripción 1.25VPrecision Adjustable Shunt Reference / Amplifier
Fabricantes Calogic LLC 
Logotipo Calogic  LLC Logotipo



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No Preview Available ! CL432D Hoja de datos, Descripción, Manual

CORPORATION
1.25VPrecision Adjustable
Shunt Reference / Amplifier
Preliminary Product Information
CL432
FEATURES
Temperature-Compensated: 50ppm/oC
Trimmed 0.5% Bandgap Reference
Internal Amplifier with 150mA Capability
Nominal Temperature Range Extended to 105oC
Low Frequency Dynamic Output Impedance: < 150m
Low Output Noise
PIN CONFIGURATION (Top View)
TO-92 (LP)
CATHODE
ANODE
REFERENCE
1G-33
ANODE
SOT-23 (VS)
CATHODE
REFERENCE
1J-22
DESCRIPTION
Calogic’s CL432 is a 3-terminal Adjustable Shunt Regulator
highly accurate 1.25V bandgap reference with a 0.5%
tolerance. The device offers thermal stability, wide operating
current (100mA) and an extended temperature range of 0o to
105oC for operation in power supply applications. The CL432
offers a wide operating voltage range of up to 18V and is an
excellent choice for voltage reference requirements in an
isolated feedback circuit for 3.0V to 3.3V switching mode
power supplies. The tight tolerance guarantees a lower
design cost for the power supply manufacturer by virtually
eliminating the need for an extra power supply manufacturing
process of the power supply.
The device is housed in several package options to meet the
designers criteria.
ORDERING INFORMATION
Part
CL432LP
CL432D
CL432VS
CL432S
Package
Temperature Range
TO-92
8-Pin Plastic SOIC
SOT-23
SOT-89
0 to 105oC
0 to 105oC
0 to 105oC
0 to 105oC
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

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CL432D pdf
CL432
CORPORATION
TYPICAL PERFORMANCE CURVES
LOW CURRENT OPERATING
CHARACTERISTICS
900
800 VKA = VREF
TEMPERATURE RANGE: –55 to 125˚C
700
600
500
400 125˚C
300 25˚C
200 –55˚C
100
0
–100
–200
–1.0
0
1.0 2.0 3.0
VKA – CATHODE VOLTAGE (V) 1G-41
OFF STATE LEAKAGE
100
VKA = 36V
VREF = 0V
10
1
0.1
0.01
–60 –30 0 30 60 90 120
TA – AMBIENT TEMPERATURE (˚C) 1G-43
REFERENCE
INPUT CURRENT
3.0
R1 = 10k
R2 =
2.5 I K = 10mA
2.0
1.5
1.0
0.5
0
–60 –30 0 30 60 90 120
TA – AMBIENT TEMPERATURE (˚C) 1G-45
HIGH CURRENT OPERATING
CHARACTERISTICS
150
VKA = VREF
125 TEMPERATURE RANGE: –55 to 125˚C
100
75
50
25
0
–25
–50
–75
–100
–2 –1
0
1
2
VKA – CATHODE VOLTAGE (V)
3
1G-42
TEMPERATURE COEFFICIENT AS
A FUNCTION OF TRIM VALUE
2.54
VKA = VREF
2.53 I K = 10mA
2.52
2.51
2.50
2.49 VREF = 2.503V AT 25˚C
2.48
2.47
2.46
–60 –30 0 30 60 90 120
TA – AMBIENT TEMPERATURE 1G-44
REFERENCE VOLTAGE
LINE REGULATION
0
–10
–20
–55˚C
0˚C
25˚C
–30
75˚C
125˚C
–40
I K = 10mA
–50 TEMPERATURE RANGE: –55 to 125˚C
0 3 6 9 12 15 18 21 24 27 30
VKA – CATHODE VOLTAGE (V) 1G-46
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

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