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LT1054IN8
Charge Pump INV/STPUP 100mA 8-Pin PDIP N
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Manufacturer:
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Mfr.Part #:
LT1054IN8
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Datasheet:
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feature-function:
Inverting/Step Up
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feature-output-type:
Adjustable
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feature-output-voltage-v:
Adj
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feature-minimum-operating-supply-voltage-v:
3.5
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EDA/CAD Models:
Availability: 5260 PCS
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LT1054IN8 General Description
The LT1054 is a monolithic, bipolar, switched-capacitor voltage converter and regulator. The LT1054 provides higher output current than previously available converters with significantly lower voltage losses. An adaptive switch driver scheme optimizes efficiency over a wide range of output currents. Total voltage loss at 100mA output current is typically 1.1V. This holds true over the full supply voltage range of 3.5V to 15V. Quiescent current is typically 2.5mA.
The LT1054 also provides regulation, a feature not previously available in switched-capacitor voltage converters. By adding an external resistive divider a regulated output can be obtained. This output will be regulated against changes in both input voltage and output current. The LT1054 can also be shut down by grounding the feedback pin. Supply current in shutdown is less than 100μA.
The internal oscillator of the LT1054 runs at a nominal frequency of 25kHz. The oscillator pin can be used to adjust the switching frequency or to externally synchronize the LT1054.
The LT1054 is pin compatible with previous converters such the LTC1044/LTC7660.
Key Features
- Output Current:
- 100mA (LT1054)
- 125mA (LT1054L)
- Reference and Error Amplifier for Regulation
- Low Loss: 1.1V at 100mA
- Operating Range:
- 3.5V to 15V (LT1054)
- 3.5V to 7V (LT1054L)
- External Shutdown
- External Oscillator Synchronization
- Can Be Paralleled
- Pin Compatible with the LTC®1044/ICL7660
- Available in SW16 and SO-8 Packages
Application
- Voltage Inverter
- Voltage Regulator
- Negative Voltage Doubler
- Positive Voltage Doubler
Specifications
feature-function | Inverting/Step Up | feature-process-technology | |
feature-output-type | Adjustable | feature-output-voltage-v | Adj |
feature-minimum-operating-supply-voltage-v | 3.5 | feature-maximum-operating-supply-voltage-v | 15 |
feature-maximum-supply-current-ma | 5 | feature-maximum-power-dissipation-mw | |
feature-output-current-ma | 100 | feature-switching-frequency-khz | 40 |
feature-efficiency- | feature-packaging | ||
feature-rad-hard | feature-pin-count | 8 | |
feature-cecc-qualified | No | feature-esd-protection | |
feature-military | No | feature-aec-qualified | No |
feature-aec-qualified-number | feature-auto-motive | No | |
feature-p-pap | No | feature-eccn-code | EAR99 |
feature-svhc | Yes | feature-svhc-exceeds-threshold | Yes |
Product Category | Switching Voltage Regulators | Mounting Style | Through Hole |
Topology | Charge Pump | Output Current | 100 mA |
Number of Outputs | 1 Output | Input Voltage, Min | 3.5 V |
Input Voltage, Max | 15 V | Switching Frequency | 25 kHz |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature | + 100 C |
Series | LT1054 | Load Regulation | 50 mV |
Operating Supply Current | 3 mA | Product Type | Switching Voltage Regulators |
Shutdown | Shutdown | Subcategory | PMIC - Power Management ICs |
Supply Voltage - Min | 3.5 V | Type | Switched-Capacitor |
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LT1054IN8 Datasheet PDF
LT1054IN8 PDF Preview
Availability: 5260 PCS
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