L5972D STMicroelectronics, L5972D Datasheet - Page 3

• Manufacturer Part Number: L5972D
• Description: IC REG SW 2A STEP-DOWN 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5972D

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 250kHz
• Voltage - Input: 4.4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 1.2W
• Output Voltage: 35 V
• Output Current: 2 A
• Input Voltage: 4.4 V to 36 V
• Switching Frequency: 212 KHz to 280 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Low Dropout Operation: 100% duty cycle
• For Use With: 497-4741 - BOARD EVAL FOR L5972D SW REG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L5972D
1
1.1
1.2
Pin settings
Pin connection
Figure 2.
Pin description
Table 1.
2,3,6,7
N°
1
4
5
8
Pin connection (top view)
Pin description
COMP
GND
VCC
OUT
Pin
FB
COMP
Ground.
E/A output for frequency compensation.
Regulator output.
Feedback input. Connecting directly to this pin results in an output
voltage of 1.23V. An external resistive divider is required for higher
output voltages.
Unregulated DC input voltage.
GND
GND
OUT
1
2
3
4
D02IN1367
Description
8
7
6
5
VCC
GND
GND
FB
Pin settings
3/15