LM22677TJ-ADJ/NOPB Texas Instruments - Yeehing Electronics

SIMPLE SWITCHER® 4.5V to 42V, 5A Step-Down DC/DC Switching Reg. with Frequency Synchronization

Pricing (USD)

Quantity	Unit Price
1 — 99	4.453
100 — 249	3.63
250 — 999	2.853
1,000 +	2.40

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Switching Voltage Regulators
RoHS	Y
Mounting Style	SMD/SMT
Package / Case	TO-263-EP-7
Output Voltage	1.285 V
Output Current	5 A
Number of Outputs	1 Output
Input Voltage MAX	42 V
Topology	Buck
Input Voltage MIN	4.5 V
Switching Frequency	500 kHz
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Series	LM22677
Packaging	Reel
Operating Temperature Range	- 40 C to + 125 C
Type	Step Down
Brand	Texas Instruments
Development Kit	LM22677EVAL/NOPB
Load Regulation	90 %
Operating Supply Current	3.4 mA
Product Type	Switching Voltage Regulators
Factory Pack Quantity	1000
Subcategory	PMIC - Power Management ICs
Supply Voltage - Min	4.5 V
Tradename	SIMPLE SWITCHER
Unit Weight	0.001940 oz

For more information, please refer to datasheet

Documents

LM22677TJ-ADJ/NOPB Datasheet

More Information

The LM22677 switching regulator provides all of the functions necessary to implement an efficient high-voltage step-down (buck) regulator using a minimum of external components. This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 5 A of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured. Voltage mode control offers short minimum on-time, allowing the widest ratio between input and output voltages. Internal loop compensation means that the user is free from the tedious task of calculating the loop compensation components. Fixed 5-V output and adjustable output voltage options are available. The default switching frequency is set at 500 kHz, thus allowing for small external components and good transient response. In addition, the frequency can be adjusted over a range of 200 kHz to 1 MHz with a single external resistor. The internal oscillator can be synchronized to a system clock or to the oscillator of another regulator. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 µA (typical). The LM22677 also has built-in thermal shutdown, and current limiting to protect against accidental overloads.