Tps62740dssr wson-12 DC-DC power chip price advantage

explain

Tps6274x is an industry * step-down converter, which has a typical static current of 360na and works together with a micro 2.2 µ h inductor and a 10 µ f output capacitor. This is based on DCS control ™ The new device expands the light load efficiency range to less than 10 µ a load current. The tps62740 supports an output current of up to 300mA and the tps62742 supports an output current of up to 400mA.

The device is powered by rechargeable lithium ion batteries, lithium chemical batteries (such as lithium thionyl chloride (li-soc12), lithium manganese batteries (Li MnO2) and two or three alkaline batteries). The input voltage range is up to 5.5V, which is also powered by a USB port and thin-film solar module. The user can use four Vsel pins to select the output voltage in the range of 1.8V to 3.3V (step 100mV). The tps6274x is matched with a small output capacitor, with low output ripple voltage and low noise.

Once the battery voltage approaches the output voltage (close to * * duty cycle), the device enters ripple free * * mode to prevent the increase of output ripple voltage. Then, the device stops switching and the output is connected to the input voltage. The integrated conversion rate controlled load switch has a unique on resistance with a typical value of 0.6 Ω, and distributes the selected output voltage to the temporarily used subsystem. The tps6274 is packaged in a small 12 pin 2mm x 3mm2wson package and supports an overall solution size of 31mm2.

characteristic

• input voltage (VIN) range: 2.2V to 5.5V

• typical 360na quiescent current

• up to 90% at 10 µ a output current

• output current up to 300mA / 400mA (tps62740 / tps62742)

• RF friendly DCS controlTM

• switching frequencies up to 2MHz

• low output ripple voltage

• 16 selectable output voltages between 1.8V and 3.3V in steps of 100mV

• automatically switch to ripple free * * mode

• load switch with controlled conversion rate

• discharge function on Vout / load

• normal power output

• optimized for operation with micro 2.2 µ h inductors and 10 µ f cout

• overall solution size < 31mm2

• small 2mm x 3mm2 wafer level small form factor leadless (WSON) package

Scope of application

• Bluetooth ® Low energy, radio frequency for consumer electronics (RF4CE), short-range low-power communication technology (ZigBee)

• industrial instrumentation

• energy acquisition
Shopping Cart
smtp.qq.com々587々3086582557@qq.com々hnwsthyeydsydgdc々vincent.zhou@nb-xing.com 技术支持: 深圳市星时代信息科技有限公司