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ADI LTC3210EUD-1#PBF product image
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ADI LTC3210EUD-1#PBFRoHS

Fabricante
ADI
N.º de pieza fab.
LTC3210EUD-1#PBF
Nº LCSC
C684288
Emb.
QFN-16-EP(3x3)
Número de Cliente
Atrib. clave
800kHz PWM 5 DC-DC 2.9V~4.5V QFN-16-EP(3x3) LED Drivers RoHS
Hoja de Datospdf iconADI LTC3210EUD-1#PBF
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Mínimo: 1Múltiplo: 1Unidad de venta: Piece
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Cant.Prec. unit.(Solo como referencia)Importo total
1+$ 3.1796$ 3.18
200+$ 1.2302$ 246.04
500+$ 1.187$ 593.50
1,000+$ 1.1669$ 1166.90
Encapsulado Estándar121/Full Tube
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Especificaciones del Producto

Todo
TipoDescripción
CategoríaIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers
FabricanteADI
Emb.QFN-16-EP(3x3)
Frequency - Switching800kHz
DimmingPWM
Voltage - Input(AC)-
Number of Channels5
TypeDC-DC
Switch tube (built-in/external)Built-in
Output Voltage-
Operating Temperature-40℃~+85℃
Output Current25mA;400mA
FeaturesBuilt-in soft-start;LED open-circuit protection;Short Circuit Protection;Over-Temperature Protection (OTP)
TopologyCharge Pump
Constant Current Accuracy-
Voltage - Input(DC)2.9V~4.5V
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Descripción

Traducción por IA

The LTC3210-1 is a low noise charge pump DC/DC converter designed to drive four MAIN LEDs and one high current CAM LED for camera lighting. The LTC3210-1 requires only four small ceramic capacitors and two current set resistors to form a complete LED power supply and current controller.

Built-in soft-start circuitry prevents excessive inrush current during start-up and mode changes. High switching frequency enables the use of small external capacitors. Independent MAIN and CAM full-scale current settings are programmed by two external resistors.

Shutdown mode and current output levels are selected via two logic inputs. ENM and ENC are toggled to adjust the LED currents via internal counters and DACs. A 6-bit linear DAC (64 steps) provides high resolution brightness control for the MAIN display.

The charge pump optimizes efficiency based on the voltage across the LED current sources. The part powers up in 1x mode and will automatically switch to boost mode whenever any enabled LED current source begins to enter dropout. The LTC3210-1 is available in a 3mm×3mm×0.75mm 16-lead QFN package.

Características

Traducción por IA
  • Low Noise Charge Pump Provides High Efficiency with Automatic Mode Switching
  • Multimode Operation: 1x, 1.5x, 2x
  • Individual Full-Scale Current Set Resistors
  • Up to 500mA Total Output Current
  • Single Wire EN/Brightness Control for MAIN and CAM LEDs
  • 64:1 Linear Brightness Control Range for MAIN Display
  • Four 25mA Low Dropout MAIN LED Outputs
  • One 400mA Low Dropout CAM LED Output
  • Low Noise Constant-Frequency Operation
  • Low Shutdown Current: 3µA
  • Internal Soft-Start Limits Inrush Current During Startup and Mode Switching
  • Open/Short LED Protection
  • No Inductors
  • 3mm×3mm×0.75mm 16-Lead Plastic QFN Package

Aplicaciones

Traducción por IA

-Multi-LED Light supply for cell Phones/DSCs/PDAs