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LINEAR TECHNOLOGY  LT3598IUF#PBF  Led Driver, 6 Outputs, Boost, PWM Dimming, 3.2V-30V in, 2.5MHz switch, 44V/30mA out, QFN-24

LINEAR TECHNOLOGY LT3598IUF#PBF
Technical Data Sheet (402.04KB) EN Consultaţi toate documentele tehnice

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Prezentare generală a produsului

The LT3598IUF#PBF is a fixed frequency step-up DC/DC Converter designed to drive up to six strings of LEDs at an output voltage up to 44V. LED dimming can be achieved with analogue dimming on the CTRL pin and with pulse width modulation dimming on the PWM pin. The LT3598 accurately regulates LED current even when the input voltage is higher than the LED output voltage. The switching frequency is programmable from 200kHz to 2.5MHz through an external resistor. Additional features include programmable over-voltage protection, switching frequency synchronization to an external clock, LED current derating based on junction temperature and LED temperature, LED string disable control, OPENLED alert pin and output voltage limiting when all LED strings are disconnected.
  • ±1.5% Accurate LED current matching
  • Regulates current even when VIN > VOUT
  • Disconnects LEDs in shutdown
  • Programmable open LED protection (regulated)
  • OPENLED alert pin
  • Programmable LED current derating
  • Synchronizable to an external clock
  • Parallel channels for higher current per LED string
  • Drives six strings of LEDs at up to 30mA

Detalii tehnice

Device Topology:
Boost (Step Up)
No. of Outputs:
6Outputs
Output Current:
30mA
Output Voltage:
44V
Driver Case Style:
QFN
No. of Pins:
24Pins
Input Voltage Min:
3.2V
Input Voltage Max:
30V
Switching Frequency:
2.5MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Packaging:
Each
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited

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Aplicaţii

  • Computers & Computer Peripherals;
  • Imaging, Video & Vision;
  • Automotive

Legislaţie şi reglementări privind protecţia mediului

Nivel de sensibilitate la umezeală:
MSL 1 - Unlimited
Ţara de origine:
Malaysia

Tara in care ultimul proces semnificativ de fabricare a fost efectuat

Conformitate cu RoHS:
Da
Nr. tarif:
85423190
Greutate (kg):
.0002

Produse asociate