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| Part Number | LM27964SQ-A/NOPB | LM27964SQ-C/NOPB | LM27964SQ-I/NOPB | LM27964SQX-A/NOPB |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | National Semiconductor | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Switched Capacitor (Charge Pump) | Switched Capacitor (Charge Pump) | Switched Capacitor (Charge Pump) | Switched Capacitor (Charge Pump) |
| Internal Switch(s) | Yes | Yes | Yes | Yes |
| Number of Outputs | 7 | 7 | 7 | 7 |
| Voltage - Supply (Min) | 2.7V | 2.7V | 2.7V | 2.7V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output | 2V ~ 4V | 2V ~ 4V | 2V ~ 4V | 2V ~ 4V |
| Current - Output / Channel | 30mA, 80mA | 30mA, 80mA | 30mA, 80mA | 30mA, 80mA |
| Frequency | 700kHz | 700kHz | 700kHz | 700kHz |
| Dimming | I²C | I²C | I²C | I²C |
| Applications | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) |
