The TPS63700 is an inverting DC/DC converter generating a negative output voltage down to –15 V with output currents up to 360 mA, depending on input-voltage to output-voltage ratio. With a peak efficiency of 84%, the device is ideal for portable battery-powered equipment. The input voltage range of 2.7 V to 5.5 V allows the TPS63700 to be directly powered from a Li-ion battery, from 3-cell NiMH/NiCd, from a 3.3-V or 5-V supply rail.
The inverter operates with a fixed-frequency pulse width modulation (PWM) control topology. The device has an internal current limit, overvoltage protection, and a thermal shutdown for highest reliability under fault conditions.
A switching frequency of typically 1.4 MHz allows the use of small external components enabling a small solution size.
The TPS63700 comes in a small 3-mm × 3-mm SON-10 package.
All other trademarks are the property of their respective ownersPowerPAD Is a trademark of Texas Instruments
| Topology | Inverting |
| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 5.5 |
| Vout (max) (V) | -2 |
| Vout (min) (V) | -15 |
| Duty cycle (max) (%) | 87.5 |
| Features | Enable, Load Disconnect, Nonsynchronous, UVLO Fixed |
| Switch current limit (typ) (A) | 1 |
| Switching frequency (min) (kHz) | 1250 |
| Switching frequency (max) (kHz) | 1380 |
| Iq (typ) (mA) | 0.97 |
| Iout (max) (A) | 0.36 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Type | Converter |
| VSON (DRC) | 10 | 9 mm² 3 x 3 |
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