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| Part Number | LM3432SQ/NOPB | LM3435SQ/NOPB | LM3434SQ/NOPB | LM3432SQE/NOPB | LM3433SQ/NOPB | LM3432SQX/NOPB | LM3432BSQ/NOPB |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | DC DC Regulator | DC DC Regulator | DC DC Controller | DC DC Regulator | DC DC Controller | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Flyback | Step-Down (Buck) | Step-Up (Boost) | Step-Down (Buck) | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | No | Yes | No | Yes | Yes |
| Number of Outputs | 6 | 3 | 1 | 6 | 1 | 6 | 6 |
| Voltage - Supply (Min) | 6V | 2.7V | 3V | 6V | 3V | 6V | 6V |
| Voltage - Supply (Max) | 40V | 5.5V | 5.8V | 40V | 5.8V | 40V | 40V |
| Voltage - Output | 80V | - | - | 80V | - | 80V | 80V |
| Current - Output / Channel | 40mA | 2A (Switch) | - | 40mA | - | 40mA | 40mA |
| Frequency | - | 1MHz | 1MHz | - | 1MHz | - | - |
| Dimming | Analog, PWM | I²C | PWM | Analog, PWM | PWM | Analog, PWM | Analog, PWM |
| Applications | Backlight | - | - | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 40-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-WQFN (4x5) | 40-WQFN (5x5) | 24-WQFN (4x4) | 24-WQFN (4x5) | 24-WQFN (4x4) | 24-WQFN (4x5) | 24-WQFN (4x5) |
