Texas Instruments LM3639AYFQR Microcontrollers
LM3639A Single chip 40V backlight + 1.5A flash LED driver 20-DSBGA -40 to 85

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3639AYFQR
Base Model
Detailed Description
LM3639A Single chip 40V backlight + 1.5A flash LED driver 20-DSBGA -40 to 85
Package
20-WFBGA, DSBGA
Lifecycle Status
Active
Datasheet
LM3639AYFQR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3639AYFQR Microcontrollers technical specifications.
General
Package / Case
20-WFBGA, DSBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Frequency
500kHz, 4MHz
Type
DC DC Regulator
Internal Switch S
Yes
Output Voltage
40V
Current Output Channel
30mA, 750mA, 1.5A
Number of Outputs
4
Topology
Step-Up (Boost)
Alternate Parts Comparison (LM3639AYFQR vs LM3639AYFQT vs LM3S1332-EQC50-A2T vs LM4921ITL/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-WFBGA, DSBGA | 20-WFBGA, DSBGA | 100-LQFP | 20-WFBGA, DSBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Type | DC DC Regulator | DC DC Regulator | -- | Class AB |
| Frequency | 500kHz, 4MHz | 500kHz, 4MHz | -- | -- |
| Applications | Backlight | Backlight | -- | -- |
| Current Output Channel | 30mA, 750mA, 1.5A | 30mA, 750mA, 1.5A | -- | -- |
| Dimming | PWM | PWM | -- | -- |
| Internal Switch S | Yes | Yes | -- | -- |
| Number of Outputs | 4 | 4 | -- | -- |
| Output Voltage | 40V | 40V | -- | -- |
| Topology | Step-Up (Boost) | Step-Up (Boost) | -- | -- |
| Action |
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