L4981B STMicroelectronics, L4981B Datasheet - Page 15

• Manufacturer Part Number: L4981B
• Description: IC PFC CTRLR AVERAGE CURR 20DIP
• Manufacturer: STMicroelectronics

Specifications of L4981B

• Mode: Average Current
• Frequency - Switching: 100kHz
• Current - Startup: 100µA
• Voltage - Supply: 14.5 V ~ 19.5V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Switching Frequency: 115 KHz
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Supply Voltage Range: 12V To 19.5V
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Ic Generic Number: 4981
• Output Current Max: 300µA
• Rohs Compliant: Yes
• Input Voltage: 19.5V
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5337-5; L4981B

DIM.
a1
b1
e3
D
B
E
F
Z
b
e
L
I
0.254
MIN.
1.39
22.86
TYP.
0.45
0.25
2.54
mm
8.5
3.3
MAX.
1.65
25.4
3.93
1.34
7.1
0.010
0.055
MIN.
0.018
0.010
0.335
0.100
0.900
0.130
TYP.
inch
MAX.
0.065
1.000
0.280
0.155
0.053
MECHANICAL DATA
OUTLINE AND
DIP20
L4981A - L4981B
15/16