L4979D-E STMicroelectronics, L4979D-E Datasheet - Page 12

• Manufacturer Part Number: L4979D-E
• Description: IC REG PROGR WATCHDOG 8SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4979D-E

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 150mA
• Voltage - Input: 5.6 ~ 31 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.236", 6.0mm Width)
• Power - Output: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4
4.1
12/22
Package and PCB thermal data
SO-8 thermal data
Figure 5.
1. Layout condition of R
Figure 6.
Cu thickness = 35 mm, Copper areas: from minimum pad lay-out to 2cm
SO-8 PC board
R
thj-amb
th
and Z
vs PCB copper area in open box free air condition
th
measurements (PCB: FR4 area = 58 mm x 58 mm, PCB thickness = 2 mm,
Doc ID 10262 Rev 7
2
).