TPS6735IP
ActiveFIXED NEGATIVE 5-V 200-MA INVERTING DC/DC CONVERTER
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TPS6735IP
ActiveFIXED NEGATIVE 5-V 200-MA INVERTING DC/DC CONVERTER
Technical Specifications
Parameters and characteristics for this part
| Specification | TPS6735IP |
|---|---|
| Current - Output | 0.2 A |
| Frequency - Switching | 160 kHz |
| Function | Step-Down, Step-Up |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Negative |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP |
| Synchronous Rectifier | False |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 6.2 V |
| Voltage - Input (Min) [Min] | 4 V |
| Voltage - Output (Min/Fixed) [Min] | -5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 83 | $ 9.56 | |
| 17204 | $ 9.56 | |||
| Tube | 1 | $ 5.61 | ||
| 10 | $ 5.06 | |||
| 50 | $ 4.83 | |||
| 100 | $ 4.19 | |||
| 250 | $ 4.15 | |||
| Texas Instruments | TUBE | 1 | $ 7.02 | |
| 100 | $ 5.72 | |||
| 250 | $ 4.50 | |||
| 1000 | $ 3.81 | |||
Description
General part information
TPS6735 Series
The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input is provided to shut down the inverter when a -5-V output is not needed. The typical supply current is 1.9 mA at no-load and is further reduced to 1-uA when the enable input is low.
The TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the -5-V output to reduce the die area needed to realize the 0.4-MOSFET. Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for external loads up to 125 uA.
The TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.
Documents
Technical documentation and resources
