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| Part Number | MC34844AEP | MC34844EP | MC34845AEP |
|---|---|---|---|
| Manufacturer | NXP USA Inc. | Freescale Semiconductor | NXP USA Inc. |
| Product Status | Active | Obsolete | Obsolete |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | Yes |
| Number of Outputs | 10 | 10 | 6 |
| Voltage - Supply (Min) | 7V | 7V | 5V |
| Voltage - Supply (Max) | 28V | 28V | 21V |
| Voltage - Output | 8V ~ 60V | 8V ~ 60V | 8V ~ 60V |
| Current - Output / Channel | 80mA | 50mA | 2.3A (Switch) |
| Frequency | - | - | 1.2MHz |
| Dimming | Analog, PWM | Analog, PWM | PWM |
| Applications | Backlight | Backlight | Backlight |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 24-UFQFN Exposed Pad |
| Supplier Device Package | 32-QFN-EP (5x5) | 32-QFN-EP (5x5) | 24-QFN-EP (4x4) |
