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| Part Number | CAT3647HV3-GT2 | CAT3649HV3-GT2 | CAT3648HV3-GT2 | CAT3637HV3-GT2 | CAT3643HV3-GT2 | CAT3644HV3-GT2 |
|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | DC DC Regulator | DC DC Regulator | 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) | Switched Capacitor (Charge Pump) | Switched Capacitor (Charge Pump) |
| Internal Switch(s) | Yes | Yes | Yes | Yes | Yes | Yes |
| Number of Outputs | 3 | 6 | 4 | 6 | 3 | 4 |
| Voltage - Supply (Min) | 2.5V | 2.4V | 2.5V | 2.5V | 2.5V | 2.5V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output | - | 7V | 7V | 7V | 7V | 7V |
| Current - Output / Channel | 30mA | 25mA | 25mA | 30mA | 32mA | 25mA |
| Frequency | 1MHz ~ 1.3MHz | 1MHz ~ 1.3MHz | 1MHz ~ 1.3MHz | 800kHz ~ 1.1MHz | 1MHz ~ 1.3MHz | 1MHz ~ 1.3MHz |
| Dimming | Multi-Step | Analog, PWM | Multi-Step | Multi-Step | Multi-Step | Multi-Step |
| Applications | Backlight | Backlight | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°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 |
| Package / Case | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad |
| Supplier Device Package | 16-TQFN (3x3) | 16-TQFN (3x3) | 16-TQFN (3x3) | 16-TQFN (3x3) | 16-TQFN (3x3) | 16-TQFN (3x3) |
