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| Part Number | LM3639AYFQR | LM3639AYFQT |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Status | Active | Active |
| Type | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes |
| Number of Outputs | 4 | 4 |
| Voltage - Supply (Min) | 2.5V | 2.5V |
| Voltage - Supply (Max) | 5.5V | 5.5V |
| Voltage - Output | 40V | 40V |
| Current - Output / Channel | 30mA, 750mA, 1.5A | 30mA, 750mA, 1.5A |
| Frequency | 500kHz, 4MHz | 500kHz, 4MHz |
| Dimming | PWM | PWM |
| Applications | Backlight | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-WFBGA, DSBGA | 20-WFBGA, DSBGA |
| Supplier Device Package | 20-DSBGA (2.04x1.78) | 20-DSBGA (2.04x1.78) |
