KA3842B Fairchild Semiconductor, KA3842B Datasheet - Page 10

• Manufacturer Part Number: KA3842B
• Description: IC CONTROLLER PWM SMPS 8-DIP
• Manufacturer: Fairchild Semiconductor

Specifications of KA3842B

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 100%
• Voltage - Supply: 11.5 V ~ 30 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Frequency-max: 500kHz
• Duty Cycle (max): 100 %
• Output Current: +/- 1 A
• Mounting Style: Through Hole
• Switching Frequency: 500 KHz
• Supply Current: 17 mA
• Maximum Operating Temperature: 150 C
• Fall Time: 35 ns
• Minimum Operating Temperature: - 65 C
• Rise Time: 45 ns
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

KA3842B/KA3843B/KA3844B/KA3845B
Ordering Information
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
www.fairchildsemi.com
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
Product Number
KA3842BD
KA3843BD
KA3844BD
KA3845BD
KA3842B
KA3843B
KA3844B
KA3845B
Package
14-SOP
8-DIP
Operating Temperature
0 ~ + 70 C
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
2002 Fairchild Semiconductor Corporation
Stock#DSxxxxxxxx
2/18/02 0.0m 001