Purchase T6309B, In-stock T6309B From SeekIC.
Part Number: T6309B
Description: The T6309B is a step-up DC/DC converter that drives LED with a constant current. The device can driver...
- Table of contents:
T6309B
-
Suppliers
DataSheet
General Description
T6309B General Description
The T6309B is a step-up DC/DC converter that drives LED with a constant current. The device can driver up to 3 series LEDs from a single-cell Li-Ion battery. Series connection of the LEDs provides constant LED current that results in uniform brightness.
The T6309B features a minimum off-time current-limited PFM control scheme. The LED current is set with an external sense resistor (Rs) and is regulated by the feedback pin (FB) that regulates the voltage across the sense resistor to 400mV (typ). The low 400mV feedback reference voltage reduces power loss and improves efficiency for LED driver applications. Optional 1.19V feedback reference is available for normal output voltage applications like LCD bias. Output overvoltage protection (OVP) is integrated to prevent damage in case of output open circuit condition (e.g. faulty LED). The OVP pin can monitor the output voltage and turn off the converter in the event of overvoltage condition. The T6309B is available in SOT- 23-6 packages.
T6309B Maximum Ratings
Supply Voltage ......................... -0.3V to 5V
SW Pin Switch Voltage ................... -0.3V to 20V
OVP Pin Overvoltage Protection ..............-0.3V to 20V
CE Pin Voltage ................... -0.3V to (VDD+0.3V)
SW Pin Switch Current ....................... 250mA
Continuous power dissipation, PD @ TA = 25°C SOT-23-6 ..0.35W
Package Thermal Resistance SOT-23-6, JA .........150°C /W
Operating Juction Temperature .......... ........150°C
Operating temperature range ............. -40°C to +85°C
Storage temperature range, TSTG ..........-55°C to +150°C
Lead temperature (soldering, 10sec) .............. 260°C
ESD Human Body Mode .........................5KV
SW Pin Switch Voltage ................... -0.3V to 20V
OVP Pin Overvoltage Protection ..............-0.3V to 20V
CE Pin Voltage ................... -0.3V to (VDD+0.3V)
SW Pin Switch Current ....................... 250mA
Continuous power dissipation, PD @ TA = 25°C SOT-23-6 ..0.35W
Package Thermal Resistance SOT-23-6, JA .........150°C /W
Operating Juction Temperature .......... ........150°C
Operating temperature range ............. -40°C to +85°C
Storage temperature range, TSTG ..........-55°C to +150°C
Lead temperature (soldering, 10sec) .............. 260°C
ESD Human Body Mode .........................5KV
T6309B Features
• Matched LED Current with Overvoltage Protection
• Drives LEDs in series
• Up to 85% Efficiency
• Low 400mV Feedback Reference, Optional 1.19V Feedback Reference
• Internal Current Limit 250mA
• Under Voltage Lock Out Circuits
• 0.1uA Low Shutdown Supply Current
• 6-pin SOT-23 Package
• ESD Human Body Mode Over 5KV
• Drives LEDs in series
• Up to 85% Efficiency
• Low 400mV Feedback Reference, Optional 1.19V Feedback Reference
• Internal Current Limit 250mA
• Under Voltage Lock Out Circuits
• 0.1uA Low Shutdown Supply Current
• 6-pin SOT-23 Package
• ESD Human Body Mode Over 5KV
T6309B Typical Application
· Cellular Phones
· Portable Communication Devices
· Handheld Electronics
· PDAs
· LED/Display Back Light Driver
· Portable Communication Devices
· Handheld Electronics
· PDAs
· LED/Display Back Light Driver
T6309B Connection Diagram
T6309B
PDF/DataSheet Download
- Datasheet: T6309B
- File Size: 134576 KB
- Manufacturer: TMT [Taiwan Memory Technology]
- Click here to Download
- ·T630
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 95009 KB
- ·T6300115
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300120
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300130
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300215
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300220
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300230
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
- ·T6300315
- POWEREX [Powerex Power Semiconductors]
- Phase Control SCR (150-300 Amperes 100-1600 Volts)
- 250156 KB
T6309B Relative Products
T630-800W
IC TRIAC 6A 800V 30MA ISOWATT
T630-600W
The T620-600W and T630-600W triacs use high performance glass passivated chip technology, housed in a fully molded plastic ISOWATT220AB package.The T630-600W offers suppression of R-C network, and is suitable for applications such as phase control and static...
T62M99A
The T62M99A is an echo/surround effect processor designed for various audio system applications such as Karaoke, television, VCD/DVD, sound equipment ,... Etc. It consists of a built-in Voltage controlled Oscillator, Embedded 48Kbits SRAM, A/D and D/A conver...
T62M0002A
The T62M0002A is an echo/surround effect processor. It is designed for various audio systems including karaoke, television, sound equipment, etc. The chip consists of a built-in pre-amplifier, VCO or Voltage control OSC, Embedded SRAM, A/D and D/A converters...
T62M0001A
T62M0001A is a digital echo/surround processor IC utilizing CMOS technology. Analog signal to T62M0001A is digitized by a built-in A/D converter and then stored in the internal memory. After an adjustable delay time, data in the memory is read and converted ...
T627R
The T627R series has been developed as a general-purpose version of the F2MC*-8L family consisting of proprietary 8-bit, single-chip microcontrollers. In addition to the F2MC-8L CPU core which can operate at low voltage but at high speed, the T627R contain a...
Hotspot Suppliers Product
2SK134
Price: 18-22 USD
TO-3, low frequency, power amplifier, High speed switching, 7A, 14V
ADC0804LCN
Price: 0.0001-5 USD
DIP-20, 8-Bit, Converter, 2.5 VDC, On-chip clock generator, successive approximation A/D
NC7SZ32M5X
Price: 0.1-1 USD
single 2-Input OR Gate, -0.5Vto +6V, SOT, advanced CMOS technology, high speed
M25C22
Price: 15-22 USD
RF Power, HF/VHF/UHF, M25C22
KCB104VG2CA-A44
Price: 0.1-1 USD
10.4 inch LCD Module KCB104VG2CA-A44
TOP245YN
Price: 0.48-0.63 USD
Lower System Cost, High Design Flexibility, Integrated Off-line Switcher, TO220, 34W
CM108
Price: 0.5-0.8 USD
CM108 - USB Audio I/O Controller - C-Media Electronics
G92-751-B1
Price: 48.3-50.5 USD
GX-N10 motherboard G92-751-B1
TPS51117PWR
Price: 0.5-1 USD
synchronous buck controller, –0.3 to 36 V, 4.5-μA, Negative Overcurrent Limit
2SA1943/2SC5200
Price: 0.1-0.65 USD
transistor, -230V, silicon PNP triple diffused, 15A, High collector voltage
K6T4008U1C-YF85
Price: 0.6-0.88 USD
512K x 8 bit, Low Power, Low Voltage, CMOS Static RAM, DIP/SOP, -0.5 to VCC+0.5 V
LPO6610-472MC
Price: 0.001-5 USD
SMT Power Inductor, SMD, Very low profile, Handles current 1.7 Amps rms, LPO6610-472MC, 4.7uH
