TPS6735 Series

Fixed Negative 5-V 200-MA Inverting DC/DC Converter

Catalog(3 parts)

Part	Frequency - Switching▲▼	Voltage - Input (Max)▲▼	Current - Output▲▼	Package / Case▲▼	Package / Case	Mounting Type	Function	Topology	Voltage - Output (Min/Fixed)▲▼	Supplier Device Package	Output Configuration	Operating Temperature▲▼	Operating Temperature▲▼	Output Type▲▼	Voltage - Input (Min)▲▼	Number of Outputs▲▼
Texas Instruments TPS6735ID Buck Switching Regulator IC Negative Fixed -5V 1 Output 200mA 8-SOIC (0.154", 3.90mm Width)	160000 Hz	6.199999809265137 V	0.20000000298023224 A	0.003899999894201755 m	8-SOIC	Surface Mount	Step-Down, Step-Up	Buck	-5 V	8-SOIC	Negative	85 °C	-40 °C	27.030000686645508 °C/W	4 V	1 ul
Texas Instruments TPS6735IDRG4 Buck Switching Regulator IC Negative Fixed -5V 1 Output 200mA 8-SOIC (0.154", 3.90mm Width)	160000 Hz	6.199999809265137 V	0.20000000298023224 A	0.003899999894201755 m	8-SOIC	Surface Mount	Step-Down, Step-Up	Buck	-5 V	8-SOIC	Negative	85 °C	-40 °C	27.030000686645508 °C/W	4 V	1 ul
Texas Instruments TPS6735IDR Buck Switching Regulator IC Negative Fixed -5V 1 Output 200mA 8-SOIC (0.154", 3.90mm Width)	160000 Hz	6.199999809265137 V	0.20000000298023224 A	0.003899999894201755 m	8-SOIC	Surface Mount	Step-Down, Step-Up	Buck	-5 V	8-SOIC	Negative	85 °C	-40 °C	27.030000686645508 °C/W	4 V	1 ul

Key Features

• Negative 5-V 200-mA Output (VCC>= 4.5 V)\x95 4-V to 6.2-V Input Operating Range\x95 78% Typical Efficiency\x95 160-kHz Fixed-Frequency Current-Mode PWM Controller\x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA\x95 Soft Start\x95 8-Pin SOIC and DIP Packages\x95 -40°C to 85°C Free-Air Temperature Range\x95 Pin-for-Pin Compatible with MAX735Negative 5-V 200-mA Output (VCC>= 4.5 V)\x95 4-V to 6.2-V Input Operating Range\x95 78% Typical Efficiency\x95 160-kHz Fixed-Frequency Current-Mode PWM Controller\x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA\x95 Soft Start\x95 8-Pin SOIC and DIP Packages\x95 -40°C to 85°C Free-Air Temperature Range\x95 Pin-for-Pin Compatible with MAX735

Description

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. The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of -40°C to 85°C. 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. The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of -40°C to 85°C.