Allicdata Part #: | LT3598IUF#PBF-ND |
Manufacturer Part#: |
LT3598IUF#PBF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC LED DRVR RGLTR DIM 30MA 24QFNLED Driver IC 6 Ou... |
More Detail: | N/A |
DataSheet: | LT3598IUF#PBF Datasheet/PDF |
Quantity: | 7190 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | True Color PWM™ |
Packaging: | Tube |
RoHS Status: | RoHS Compliant |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | DC DC Regulator |
Topology: | Step-Up (Boost) |
Internal Switch(s): | Yes |
Number of Outputs: | 6 |
Voltage - Supply (Min): | 3V |
Voltage - Supply (Max): | 30V |
Voltage - Output: | 44V |
Current - Output / Channel: | 30mA |
Frequency: | 200kHz ~ 2.5MHz |
Dimming: | Analog, PWM |
Applications: | -- |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | 24-WFQFN Exposed Pad |
Supplier Device Package: | 24-QFN (4x4) |
Base Part Number: | LT3598 |
Due to market price fluctuations,if you need to purchase or consult the price.You can contact us or emial to us: sales@allicdata.com
1. DESCRIPTION
The LT3598IUF#PBF is a fi xed 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 analog dimming on the CTRL pin, and with pulse width modulation dimming on the PWM pin. The LT3598IUF#PBF 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 overvoltage protection, switching frequency synchronization to an external clock, LED current derating based on junction temperature and/or LED temperature, LED string disable control, OPENLED alert pin and output voltage limiting when all LED strings are disconnected. The LT3598IUF#PBF is available in a thermally enhanced 24-lead (4mm × 4mm) QFN and 24-lead TSSOP packages.
2. FEATURES
1. True Color PWM™ Dimming Delivers Up to 3000:1 Dimming Ratio
2. Drives Six Strings of LEDs at Up to 30mA
3. ±1.5% Accurate LED Current Matching
4. Wide Input Voltage Range: 3.2V to 30V
5. Output Voltage Up to 44V
6. Regulates Current Even When VIN > VOUT
7. Disconnects LEDs in Shutdown
8. Programmable Open LED Protection (Regulated)
9. OPENLED Alert Pin
10. Programmable LED Current Derating
11. Adjustable Frequency: 200kHz to 2.5MHz
12. Synchronizable to an External Clock
13. Parallel Channels for Higher Current per LED String
14. Thermally Enhanced 4mm × 4mm QFN and 24-Lead TSSOP Packages
3. APPLICATIONS
1. Notebook Computer Display
2. Medium Size Displays
3. Automotive LCD Display
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