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ANALOG DEVICES LT1461BIS8-5#PBF
Integrated Circuits (ICs)

LTC1044CS8#PBF

Active
Analog Devices Inc./Maxim Integrated

DC/DC CHARGE PUMP VOLTAGE CONVERTER, ADJUSTABLE, 1.5 TO 9V IN, -1.5 TO -9V/0.02A OUT, NSOIC-8

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ANALOG DEVICES LT1461BIS8-5#PBF
Integrated Circuits (ICs)

LTC1044CS8#PBF

Active
Analog Devices Inc./Maxim Integrated

DC/DC CHARGE PUMP VOLTAGE CONVERTER, ADJUSTABLE, 1.5 TO 9V IN, -1.5 TO -9V/0.02A OUT, NSOIC-8

Technical Specifications

Parameters and characteristics for this part

SpecificationLTC1044CS8#PBF
Current - Output20 mA
Frequency - Switching [Max]5 kHz
Frequency - Switching [Min]1 kHz
FunctionRatiometric
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature [Max]85 C
Operating Temperature [Min]-40 ¯C
Output ConfigurationPositive or Negative
Package / Case0.154 in
Package / Case8-SOIC
Package / Case3.9 mm
Supplier Device Package8-SO
Synchronous RectifierFalse
Voltage - Input (Max) [Max]9 V
Voltage - Input (Min) [Min]1.5 V
Voltage - Output (Min/Fixed)Vin/2, 2Vin, -Vin

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$Updated
DigikeyN/A 2254$ 8.811m+
MouserN/A 1$ 8.811m+
10$ 5.19
100$ 4.33
200$ 3.86
NewarkEach 1$ 8.811m+
10$ 5.94
25$ 5.19
50$ 4.76
100$ 4.34
300$ 4.10
500$ 3.86

Description

General part information

LTC1044S8 Series

The LTC1044 is a monolithic CMOS switched capacitor voltage converter which is manufactured using our enhanced LTCMOSTMsilicon gate process. The LTC1044 provides several voltage conversion functions: the input voltage can be inverted (VOUT=-VIN), doubled (VOUT=2 VIN), divided (VOUT=VIN/2) or multiplied (VOUT=±nVIN).Designed to be pin-for-pin and functionally compatible with the popular 7660, the LTC1044 provides significant features and improvements over earlier 7660 designs. These improvements include: full 1.5V to 9V supply operation over the entire operating temperature range, without the need for external protection diodes; 2½times lower quiescent current for greater power conversion efficiency; and a "boost" function which is available to raise the internal oscillator frequency to optimize performance in specific applications.Although the LTC1044 provides significant design and performance advantages over the earlier 7660 device, it still maintains its compatibility with existing 7660 designs.ApplicationsConversion of +5V to ±5V SuppliesPrecise Voltage Division, VOUT=VIN/2±20ppmVoltage Multiplication, VOUT=±nVINSupply Splitter, VOUT=±VS/2