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TEXAS INSTRUMENTS  LT1054CP  IC, DC/DC CHARGE PUMP CONVERTER

TEXAS INSTRUMENTS LT1054CP
Technical Data Sheet (1.15MB) EN See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LT1054CP is a switched-capacitor Voltage Converter with regulator. It provides higher output current and significantly lower voltage losses than previously available converters. An adaptive-switch drive scheme optimizes efficiency over a wide range of output currents. Total voltage drop at 100mA output current typically is 1.1V. This applies to the full supply-voltage range of 3.5 to 15V. Quiescent current typically is 2.5mA. The LT1054 also provides regulation, a feature previously not available in switched-capacitor voltage converters. By adding an external resistive divider, a regulated output can be obtained. This output is regulated against changes in both input voltage and output current. The voltage converter can also shut down by grounding the feedback terminal. Supply current in shutdown typically is 100µA. The internal oscillator of the converter runs at a nominal frequency of 25kHz.
  • Reference and error amplifier for regulation
  • External shutdown
  • External oscillator synchronization
  • Devices can be paralleled
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

Output Type:
Fixed
Input Voltage Min:
3.5V
Input Voltage Max:
15V
DC / DC Converter IC Case:
DIP
No. of Pins:
8Pins
Output Current:
100mA
Fixed Output Voltage Nom.:
-5V
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Topology:
Buck-Boost
Operating Temperature Max:
70°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Power Management;
  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85411000
Weight (kg):
.03

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