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LTC1697EMS +BOM
LTC1697EMS switching voltage regulators for high efficiency CCFL operation
MSOP-10P-
Manufacturer:
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Mfr.Part #:
LTC1697EMS
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Datasheet:
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Mounting Style:
SMD/SMT
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Topology:
Buck
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Output Voltage:
Adjustable
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Output Current:
1 A
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EDA/CAD Models:
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Availability: 4378 PCS
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LTC1697EMS General Description
The LTC1697 is designed to control a single 1W cold cathode fluorescent lamp (CCFL). An internal PWM dimming system maximizes efficiency and dimming range. Accurate lamp currents can be set with a single external resistor.
The LTC1697 includes a synchronous current mode PWM controller with internal 1A MOSFET switches. It contains a 300kHz oscillator, 0.8V reference, and internal current sense. It operates from a 2.8V to 5.5V input voltage. The LTC1697 also has a thermal limit and a shutdown that reduces supply current to <2µA.
The LTC1697 is available in the MSOP-10 package.
Key Features
- Operates from Single Li-Ion Battery
- 2.8V to 5.5V Input Voltage Range
- Very Low Shutdown Current: <2µA
- Synchronous Buck Architecture for High Efficiency
- PWM Dimming Frequency Adjustable with a Single Capacitor
- Accurate Lamp Current Maximizes Lamp Lifetime
- Fixed Frequency Operation at 300kHz
- Internal or External PWM Dimming
- Small 10-Pin MSOP Package
Application
- PDAs
- Handheld Computers
- Portable Instruments
- Handheld GPS with Map Display
- Handheld TV/Video Monitor
Specifications
Product Category: | Switching Voltage Regulators | Mounting Style: | SMD/SMT |
Topology: | Buck | Output Voltage: | Adjustable |
Output Current: | 1 A | Number of Outputs: | 1 Output |
Input Voltage, Min: | 2.8 V | Input Voltage, Max: | 5.5 V |
Switching Frequency: | 300 kHz | Minimum Operating Temperature: | - 40 C |
Maximum Operating Temperature: | + 85 C | Series: | LTC1697 |
Operating Supply Current: | 900 uA | Product Type: | Switching Voltage Regulators |
Subcategory: | PMIC - Power Management ICs |
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LTC1697EMS Datasheet PDF
LTC1697EMS PDF Preview
In Stock: 4,378
Minimum Order: 1
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1+ | - | - |
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