Product Summary

The TPS6104 is a high frequency boost converter with digitally programmable output voltage and true shut- down. During shutdown the output is disconnected from the input by opening the internal input switch. This allows a controlled power up/down sequencing of the display. The output voltage can be increased or de- creased in digital steps by applying a logic signal to the CTRL pin. The output voltage range, as well as the output voltage step size, can be programmed with the feedback divider network. With a high switching fre- quency of up to 1 MHz the TPS6104 allows the use of small external components and together, with the small 8-pin QFN package, a miminum system solution size is achieved. The applications of the TPS6104 include LCD Bias Supply For Small to Medium LCD Displays and OLED Display Power Supply.

Parametrics

TPS6104 absolute maximum ratings: (1)Supply voltage, V(VIN): -0.3 V to 7 V; (2)Voltages, V(CTRL), V(FB), V(L), V(DO): -0.3 V to VI+ 0.3 V; (3)Voltage, V(SW): 30 V; (4)Operating junction temperature range: -40 to 150℃; (5)Storage temperature range, TSTG: -65 to 150℃; (6)Lead temperature (soldering, 10 sec): 260℃.

Features

TPS6104 features: (1)Input Voltage Range: 1.8 V to 6.0 V; (2)Up to 85% Efficiency; (3)Digitally Adjustable Output Voltage Control; (4)Disconnects Output From Input During Shut-down; (5)Switching Frequency: Up to 1 MHz; (6)No Load Quiescent Current: 40 μA Typ; (7)Thermal Shutdown Mode; (8)Shutdown Current: 0.1 μA Typ; (9)Available in Small 3mm×3mm QFN package.

Diagrams

TPS6104 block diagram

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Quantity
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