
LTC1044CS8#PBF
ActiveDC/DC CHARGE PUMP VOLTAGE CONVERTER, ADJUSTABLE, 1.5 TO 9V IN, -1.5 TO -9V/0.02A OUT, NSOIC-8
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LTC1044CS8#PBF
ActiveDC/DC CHARGE PUMP VOLTAGE CONVERTER, ADJUSTABLE, 1.5 TO 9V IN, -1.5 TO -9V/0.02A OUT, NSOIC-8
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Technical Specifications
Parameters and characteristics for this part
| Specification | LTC1044CS8#PBF |
|---|---|
| Current - Output | 20 mA |
| Frequency - Switching [Max] | 5 kHz |
| Frequency - Switching [Min] | 1 kHz |
| Function | Ratiometric |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Positive or Negative |
| Package / Case | 0.154 in |
| Package / Case | 8-SOIC |
| Package / Case | 3.9 mm |
| Supplier Device Package | 8-SO |
| Synchronous Rectifier | False |
| Voltage - Input (Max) [Max] | 9 V |
| Voltage - Input (Min) [Min] | 1.5 V |
| Voltage - Output (Min/Fixed) | Vin/2, 2Vin, -Vin |
Pricing
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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
Documents
Technical documentation and resources