LT1460HCS3-2.5 LINER [Linear Technology], LT1460HCS3-2.5 Datasheet

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LT1460HCS3-2.5

Manufacturer Part Number
LT1460HCS3-2.5
Description
Family of Micropower Series References in SOT-23
Manufacturer
LINER [Linear Technology]
Datasheet

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FEATURES
TYPICAL APPLICATIO
APPLICATIO S
Handheld Instruments
Precision Regulators
A/D and D/A Converters
Power Supplies
Hard Disk Drives
3-Lead SOT-23 Package
Low Drift: 20ppm/ C Max
High Accuracy: 0.2% Max
Low Supply Current
20mA Output Current Guaranteed
No Output Capacitor Required
Reverse-Battery Protection
Low PC Board Solder Stress: 0.02% Typ
Voltage Options: 2.5V, 3V, 3.3V, 5V and 10V
The LT1460 is Also Available in SO-8, 8-Lead MSOP,
8-Lead PDIP and TO-92 Packages.
Operating Temperature Range: – 40 C to 85 C
V
OUT
+ 0.9V V
IN
20V
U
Basic Connection
C1
0.1 F
IN
U
LT1460S3
GND
OUT
1460S3 TA01
V
OUT
DESCRIPTIO
The LT
references that combine high accuracy and low drift with low
power dissipation and small package size. These series
references use curvature compensation to obtain low tem-
perature coefficient, and laser trimmed precision thin-film
resistors to achieve high output accuracy. Furthermore,
output shift due to PC board soldering stress has been
dramatically reduced. These references will supply up to
20mA, making them ideal for precision regulator applica-
tions, yet they are almost totally immune to input voltage
variations.
These series references provide supply current and power
dissipation advantages over shunt references that must idle
the entire load current to operate. Additionally, the
LT1460S3 does not require an output compensation capaci-
tor. This feature is important in applications where PC board
space is a premium or fast settling is demanded. Reverse-
battery protection keeps these references from conducting
reverse current.
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
1460S3 is a family of SOT-23 micropower series
Family of Micropower
Typical Distribution of SOT-23 LT1460HC
32
28
24
20
16
12
8
0
4
– 0.3
V
– 0.2
OUT
OUTPUT VOLTAGE ERROR (%)
Series References
U
After IR Reflow Solder
– 0.1
LT1460HC LIMITS
LT1460S3 (SOT-23)
0
0.1
0.2
in SOT-23
1460S3 TA02
0.3
1

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LT1460HCS3-2.5 Summary of contents

Page 1

FEATURES 3-Lead SOT-23 Package Low Drift: 20ppm/ C Max High Accuracy: 0.2% Max Low Supply Current 20mA Output Current Guaranteed No Output Capacitor Required Reverse-Battery Protection Low PC Board Solder Stress: 0.02% Typ Voltage Options: 2.5V, 3V, 3.3V, 5V and ...

Page 2

... LT1460JCS3-10 LT1460KCS3-10 ACCURACY (%) 0.2 0.4 0.5 0.2 0.4 0.5 0.2 0.4 0.5 0.2 0.4 0.5 0.2 0.4 0.5 S3 PART MARKING LTAC LTAD LTAE LTAN LTAP LTAQ LTAR LTAS LTAT LTAK LTAL LTAM LTAU LTAV LTAW TEMPERATURE PART ORDER COEFFICIENT (ppm/ C) NUMBER 20 LT1460HCS3-2.5 20 LT1460JCS3-2.5 50 LT1460KCS3-2.5 20 LT1460HCS3-3 20 LT1460JCS3-3 50 LT1460KCS3-3 20 LT1460HCS3-3.3 20 LT1460JCS3-3.3 50 LT1460KCS3-3.3 20 LT1460HCS3-5 20 LT1460JCS3-5 50 LT1460KCS3-5 20 LT1460HCS3-10 20 LT1460JCS3-10 50 LT1460KCS3-10 ...

Page 3

... Note 3: If the parts are stored outside of the specified temperature range, the output may shift due to hysteresis. The denotes specifications which apply over the full specified = 2.5V unless otherwise specified OUT OUT CONDITIONS LT1460HCS3 LT1460JCS3 LT1460KCS3 LT1460HCS3 LT1460JCS3 LT1460KCS3 2.5V OUT IN OUT V + 2.5V V 20V OUT IN I ...

Page 4

LT1460S3 (SOT-23) ELECTRICAL CHARACTERISTICS Note 6: Load regulation is measured on a pulse basis from no load to the specified load current. Output changes due to die temperature change must be taken into account separately. Note 7: Thermal regulation is ...

Page 5

W U TYPICAL PERFORMANCE CHARACTERISTICS LT1460S3s. Curves from the LT1460S3-2.5 and the LT1460-10 represent the extremes of the voltage options. Characteristic curves for other output voltages fall between these curves, and can be estimated based on their voltage output. 2.5V ...

Page 6

LT1460S3 (SOT-23 TYPICAL PERFORMANCE CHARACTERISTICS LT1460S3s. Curves from the LT1460S3-2.5 and the LT1460-10 represent the extremes of the voltage options. Characteristic curves for other output voltages fall between these curves, and can be estimated based on their voltage ...

Page 7

W U TYPICAL PERFORMANCE CHARACTERISTICS LT1460S3s. Curves from the LT1460S3-2.5 and the LT1460-10 represent the extremes of the voltage options. Characteristic curves for other output voltages fall between these curves, and can be estimated based on their voltage output. 10V ...

Page 8

LT1460S3 (SOT-23 APPLICATIONS INFORMATION V GEN V OUT V OUT 1 s/DIV Figure GEN V OUT V OUT 100 s/DIV Figure 0 GEN V OUT ...

Page 9

U U APPLICATIONS INFORMATION Hysteresis Hysteresis data shown in Figure 5 and Figure 6 represents the worst-case data taken on parts from and from – The output is capable of ...

Page 10

... Table 2 gives the worst-case accuracy for LT1460HCS3, LT1460JCS3 and LT1460KCS3 from and shows that if the LT1460HCS3 is used as a reference instead of a regulator capable of 8 bits of absolute accuracy over temperature without a system calibration. Table 2. Worst-Case Output Accuracy over Temperature ...

Page 11

PACKAGE DESCRIPTION REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DIMENSIONS ARE INCLUSIVE OF PLATING 3. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 4. MOLD FLASH SHALL NOT EXCEED 0.254mm 5. JEDEC REFERENCE IS TO-236 VARIATION AB Information ...

Page 12

LT1460S3 (SOT-23) U TYPICAL APPLICATIONS * SELECT R1 TO DELIVER 80% OF TYPICAL LOAD CURRENT. LT1460 WILL THEN SOURCE AS NECESSARY TO MAINTAIN PROPER OUTPUT. DO NOT REMOVE LOAD AS OUTPUT WILL BE DRIVEN UNREGULATED HIGH. LINE REGULATION IS DEGRADED ...

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