FSBH0270 Fairchild Semiconductor, FSBH0270 Datasheet - Page 14

• Manufacturer Part Number: FSBH0270
• Description: The highly integrated FSBH-series consists of an integrated current-mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 • Rev. 1.0.3
Vo
Feedback Open
Loop
Figure 34. OLP Operation
KA431
V
FB
4.6V
6V
3R
R
56ms
PWM
OLP
14
V
V
by over voltage on the VDD pin. The OVP is triggered
when V
130µs) prevents false trigger by switching noise.
Over-Temperature Protection (OTP)
The SenseFET and the control IC are integrated,
making it easier to detect the temperature of the
SenseFET.
approximately 142 ° C, thermal shutdown is activated.
DD
DD
Over-Voltage Protection (OVP)
over-voltage protection prevents IC damage caused
DD
voltage reaches 28V. Debounce time (typically
When
the
temperature
www.fairchildsemi.com
exceeds