LM2793LDX

LM2793LDX, 10-LLP, dual constant current output, QFN, -0.3V to 6.0V

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Price:: US $0.48~0.52 / piece [Get Latest Price]

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	US $0.48~0.52

PartNumber:: LM2793LDX

Brand:: National Semiconductor - NS | Pack: QFN | D/C: 05+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-11-15

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Part Number:LM2793LDX
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Product Summary

The LM2793LDX is a highly efficient, semi-regulated 1.5x CMOS charge pump that provides dual constant current outputs. The LM2793LDX has an input voltage range of 2.7V to 5.5V. To control LED brightness, the amount of current driven to the current-mode outputs can be adjusted with an analog voltage and/or a pulse-width-modulated (PWM) square wave. Pre-regulation of the charge pump minimizes conducted noise on the input. Combined with a fixed switching frequency of 500kHz, the LM2793LDX is a low-noise solution. The LM2793LDX is available in a 10-pin Leadless Lead-frame package: LLP-10.

Parametrics

LM2793LDX absolute maximum ratings: (1)VIN: -0.3V to 6.0V; (2)VSD-BRGT: -0.3V to (VIN + 0.3V) w/ 6.0V max; (3)Continuous Power Dissipation: Internally Limited; (4)Junction Temperature (TJ-MAX-ABS): 150℃; (5)Storage Temperature Range: -65℃ to 150℃; (6)Lead Temp. (Soldering, 5 sec.): 260℃; (7)Junction-to-Ambient Thermal Resistance, LLP-10 Package (θJA): 55℃/W.

Features

LM2793LDX features: (1)Two Regulated Current Outputs, up to 16mA Each, Matched to Within ±0.3% (typ.); (2)High Efficiency, 1.5x Regulated Charge Pump; (3)Input Voltage Range: 2.7V to 5.5V; (4)Soft Start Limits Inrush Current; (5)Analog Voltage Brightness Control; (6)PWM Brightness Control; (7)Very Small Solution Size - NO INDUCTOR; (8)500kHz Switching Frequency; (9)3μA (typ.) Shutdown Current; (10)LLP-10 Package: 3.0mm X 3.0mm X 0.8mm.