Details

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BUY TPS62745DSSR https://www.utsource.net/itm/p/8395346.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	2.5	-	5.5	V
Output Voltage	VOUT	-	1.8	-	V	Adjustable, Set by resistors
Output Current	IOUT	-	1000	-	mA	Continuous
Quiescent Current	IQ	-	15	-	μA	No load, typical
Shutdown Current	ISD	-	0.1	-	μA	VEN = 0V
Switching Frequency	fSW	-	2.2	-	MHz	Typical
Efficiency	η	-	90	-	%	At 500mA load, VIN=3.6V, VOUT=1.8V
Operating Temperature Range	TOPR	-40	-	125	°C	Storage and operation
Package Type	PKG	-	-	-	DSSR

Instructions for TPS62745DSSR:

1. Power Supply Connection: Connect the input voltage (VIN) within the range of 2.5V to 5.5V. Ensure proper bypass capacitors are placed close to the input and output pins to stabilize the supply.

2. Output Voltage Setting: The output voltage can be set using an external resistor divider network. Refer to the datasheet for specific resistor values based on desired output voltage.

3. Enable Pin (VEN): The device is enabled when VEN > 1.2V. For shutdown, pull VEN low or leave it floating. During shutdown, the quiescent current drops to approximately 0.1μA.

4. Thermal Considerations: Ensure adequate heat dissipation if operating at high loads or in high ambient temperatures. The maximum junction temperature should not exceed 150°C.

5. Capacitor Selection: Choose output capacitors with low ESR to ensure stability and good transient response. Ceramic capacitors are recommended.

6. Layout Guidelines: Follow layout guidelines provided in the datasheet to minimize noise and parasitic effects, ensuring optimal performance.

7. Application Circuits: Review application circuits in the datasheet for examples of how to integrate the TPS62745DSSR into various power supply designs.

(For reference only)