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Part Number: LT3012B
Description: The LT®3012B is a high voltage, micropower low dropout linear regulator. The de...
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LT3012B
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DataSheet
General Description
LT3012B General Description
The LT®3012B is a high voltage, micropower low dropout linear regulator.
The device is capable of supplying 250mA of output current with a dropout voltage of 400mV. Designed for use in battery-powered or high voltage systems, the low quiescent current (40A operating) makes the LT3012B an ideal choice. Quiescent current is also well controlled in dropout. Other features of the LT3012B include the ability to operate with very small output capacitors.
The regulators are stable with only 3.3F on the output while most older devices require between 10F and 100F for stability. Small ceramic capacitors can be used without any need for series resistance (ESR) as is common with other regulators. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting and reverse current protection.
The device is available with an adjustable output with a 1.24V reference voltage.
The LT3012B regulator is available in the 16-lead TSSOP and 12 pin low profile (0.75mm) (4mm * 3mm) DFN packages with an exposed pad for enhanced thermal handling capability.
LT3012B Maximum Ratings
IN Pin Voltage ................................................... ±80V
OUT Pin Voltage ................................................ ±60V
IN to OUT Differential Voltage ........................... ±80V
ADJ Pin Voltage ................................................... ±7V
Output Short-Circuit Duration ...................... Indefinite
Storage Temperature Range
TSSOP Package .................................. 65 to 150
DFN Package ...................................... 65 to 125
Operating Junction Temperature Range
(Notes 3, 9, 10) ................................. 40 to 125
Lead Temperature (Soldering, 10 sec)............... 300
OUT Pin Voltage ................................................ ±60V
IN to OUT Differential Voltage ........................... ±80V
ADJ Pin Voltage ................................................... ±7V
Output Short-Circuit Duration ...................... Indefinite
Storage Temperature Range
TSSOP Package .................................. 65 to 150
DFN Package ...................................... 65 to 125
Operating Junction Temperature Range
(Notes 3, 9, 10) ................................. 40 to 125
Lead Temperature (Soldering, 10 sec)............... 300
LT3012B Features
`Wide Input Voltage Range: 4V to 80V
`Low Quiescent Current: 40A
`Low Dropout Voltage: 400mV
`Output Current: 250mA
`No Protection Diodes Needed
`Adjustable Output from 1.24V to 60V
`Stable with 3.3F Output Capacitor
`Stable with Aluminum, Tantalum or Ceramic Capacitors
`Reverse-Battery Protection
`No Reverse Current Flow from Output to Input
`Thermal Limiting
`Thermally Enhanced 16-Lead TSSOP and 12-Pin (4mm * 3mm) DFN Packages
`Low Quiescent Current: 40A
`Low Dropout Voltage: 400mV
`Output Current: 250mA
`No Protection Diodes Needed
`Adjustable Output from 1.24V to 60V
`Stable with 3.3F Output Capacitor
`Stable with Aluminum, Tantalum or Ceramic Capacitors
`Reverse-Battery Protection
`No Reverse Current Flow from Output to Input
`Thermal Limiting
`Thermally Enhanced 16-Lead TSSOP and 12-Pin (4mm * 3mm) DFN Packages
LT3012B Typical Application
·Low Current High Voltage Regulators
·Regulator for Battery-Powered Systems
·Telecom Applications
·Automotive Applications
·Regulator for Battery-Powered Systems
·Telecom Applications
·Automotive Applications
LT3012B Connection Diagram
LT30030-2
PDF/DataSheet Download
- Datasheet: LT30030-2
- File Size: 538993 KB
- Manufacturer: LITTELFUSE [Littelfuse]
- Click here to Download
- ·LT30030-3
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT30060-2
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT30060-3
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT30060-4
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT3010
- LINER [Linear Technology]
- High Voltage, Current Mode Switching Regulator Controller
- 249903 KB
- ·LT30100-1
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT30100-2
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
- ·LT30100-3
- LITTELFUSE [Littelfuse]
- Class T Fuse Blocks - 300 and 600 Volt
- 538993 KB
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