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| Part Number | MC34845EP | MC34848EP | MC34844EP | MC34845AEP | MC34845BEP | MC34845CEP | MC34845DEP |
|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Freescale Semiconductor | Freescale Semiconductor | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | Freescale Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Type | DC DC Regulator | DC DC Controller | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | No | Yes | Yes | Yes | Yes | Yes |
| Number of Outputs | 6 | 8 | 10 | 6 | 6 | 6 | 6 |
| Voltage - Supply (Min) | 5V | 6V | 7V | 5V | 5V | 5V | 5V |
| Voltage - Supply (Max) | 21V | 14V | 28V | 21V | 21V | 21V | 21V |
| Voltage - Output | 8V ~ 60V | 45V | 8V ~ 60V | 8V ~ 60V | 8V ~ 60V | 8V ~ 60V | 8V ~ 60V |
| Current - Output / Channel | 2.3A (Switch) | 80mA, 160mA | 50mA | 2.3A (Switch) | 2.6A (Switch) | 2.3A (Switch) | 2.6A (Switch) |
| Frequency | 600kHz | 200kHz ~ 1.2MHz | - | 1.2MHz | 300kHz | 600kHz | 300kHz |
| Dimming | PWM | PWM | Analog, PWM | PWM | PWM | PWM | PWM |
| Applications | Backlight | Backlight | Backlight | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-UFQFN Exposed Pad | 48-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 24-UFQFN Exposed Pad | 24-UFQFN Exposed Pad | 24-UFQFN Exposed Pad | 24-UFQFN Exposed Pad |
| Supplier Device Package | 24-QFN-EP (4x4) | 48-QFN-EP (7x7) | 32-QFN-EP (5x5) | 24-QFN-EP (4x4) | 24-QFN-EP (4x4) | 24-QFN-EP (4x4) | 24-QFN-EP (4x4) |
