Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
24-WFQFN Exposed Pad |
Number of Pins |
24 |
Operating Temperature |
-30°C~85°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e0 |
Pbfree Code |
no |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
24 |
Termination |
SMD/SMT |
ECCN Code |
EAR99 |
Type |
DC DC Regulator |
Terminal Finish |
Tin/Lead (Sn/Pb) |
Applications |
Backlight |
HTS Code |
8542.39.00.01 |
Subcategory |
Display Drivers |
Technology |
CMOS |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Terminal Pitch |
0.5mm |
Base Part Number |
LM27964 |
Pin Count |
24 |
Number of Outputs |
7 |
Efficiency |
87 % |
Power Supplies |
3/5V |
Max Supply Voltage |
5.5V |
Min Supply Voltage |
2.7V |
Nominal Supply Current |
1.3mA |
Output Current |
30mA |
Max Supply Current |
1.3mA |
Quiescent Current |
1.3mA |
Voltage - Output |
2V~4V |
Topology |
Switched Capacitor (Charge Pump) |
Min Input Voltage |
2.7V |
Max Input Voltage |
5.5V |
Current - Output / Channel |
30mA 80mA |
Internal Switch(s) |
Yes |
Dimming |
I2C |
Number of Segments |
6 |
Switching Frequency |
700kHz |
Width |
4mm |
Radiation Hardening |
No |
REACH SVHC |
No SVHC |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
LM27964SQ-A Overview
24-WFQFN Exposed Pad package saves space on the board. LED drivers have a total of 7 outputs that are used in the design of the drivers.The led light driver is mounted using Surface Mount.As a result, it appears as a DC DC Regulator with a high efficiency and a high degree of reliability.The led light driver can work at -30°C~85°C TA.Taking advantage of Backlight has considerable benefits.For its operation, 24 terminations are designed.It is configured with 24 pins as its base.There are 6 segments.Surface Mount is mounted on it.This LED driver has the part number LM27964.It is acceptable to have a maximum voltage of 5.5V.2V~4V is the output voltage.The device has a pin count of 24.According to its characteristics, it is also categorized into Display Drivers.It operates at a voltage of 2.7V as its minimal input voltage.For maximum efficiency, it requires a minimal supply voltage of 2.7V.Supply current cannot exceed 5.5V.If the maximum current supply is less than 1.3mA, this device provides high efficiency.30mA is the maximum amount of current that can be supplied to the load.It is capable of fulfilling its full functionality when the switching frequency remains at 700kHz.Absent external factors, there is 1.3mA consumption of current.
LM27964SQ-A Features
Available in the 24-WFQFN Exposed Pad package
Operating temperature of -30°C~85°C TA
Switching frequency of 700kHz
LM27964SQ-A Applications
There are a lot of Texas Instruments LM27964SQ-A LED Driver ICs applications.
- Refrigeration lighting
- Other Electronic Devices
- Museum lighting
- A- lamps
- Linear fluorescent
- Medical surgery lighting
- LED Lightings for Inspection Devices
- Replacement lamps
- LED headlights
- OLED power supply for portable equipment