LTC4008EGN#PBF
Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 4000mA 3V to 28V 20-Pin SSOP N Tube
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Part Number : LTC4008EGN#PBF
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Package/Case : 20-SSOP(0.154",3.90mmWidth)
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Brands : Analog Devices Inc.
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Components Categories : Battery Chargers
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Datesheet : LTC4008EGN#PBF DataSheet (PDF)
Overview of LTC4008EGN#PBF
The LTC4008 is a constant-current/constant-voltage charger controller. The PWM controller uses a synchronous, quasi-constant frequency, constant off-time architecture that will not generate audible noise even when using ceramic capacitors. Charging current is programmable with a sense resistor and programming resistor to ±4% typical accuracy. Charging current can be monitored as a voltage across the programming resistor. An external resistor divider and precision internal reference set the final float voltage.
Key Features
- General Purpose Charger Controller
- High Conversion Efficiency: Up to 96%
- Output Currents Exceeding 4A
- ±0.8% Voltage Accuracy
- AC Adapter Current Limiting Maximizes Charge Rate
- Thermistor Input for Temperature Qualified Charging
- Wide Input Voltage Range: 6V to 28V
- Wide Output Voltage: 3V to 28V
- 0.5V Dropout Voltage; Maximum Duty Cycle: 98%
- Programmable Charge Current: ±4% Accuracy
- Indicator Outputs for Charging, C/10 Current Detection, AC Adapter Present, Input Current Limiting and Faults
- Charging Current Monitor Output
- Available in a 20-Pin Narrow SSOP Package
Application
- Notebook Computers
- Portable Instruments
- Battery Backup Systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Package | Tube | Product Status | Active |
Battery Chemistry | Multi-Chemistry | Current - Charging | Constant - Programmable |
Voltage - Supply (Max) | 28V | Operating Temperature | -40°C ~ 85°C (TA) |
Mounting Type | Surface Mount | Package / Case | 20-SSOP (0.154", 3.90mm Width) |
Supplier Device Package | 20-SSOP | Base Product Number | LTC4008 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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