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BD9227F Datasheet(PDF) 7 Page - Rohm

Part # BD9227F
Description  PWM Buck Converter Integrated FET
PDF  29 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9227F Datasheet(HTML) 7 Page - Rohm

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TSZ02201-0252AAJ00010-1-2
© 2016 ROHM Co., Ltd. All rights reserved.
8.Jun.2016 Rev.001
www.rohm.com
TSZ22111
・15・001
BD9227F
Timing Chart
VCC
NON
PWM
PWM_CNT_IH(inner)
VB
VBUVLO_IL(inner)
VCC
LX
VOUT(FB)
COMP
OVPOUT_IH(inner)
PWMON_IH(inner)
VCC UVLO reset
VB UVLO reset
VCC-5V
Tss
OVP
OVP reset
VB UVLO
Shutdown delay
2.047 msec
REG(inner)
REG UVLO reset
REG UVLO_IL(inner)
REG UVLO
VOUT (FB)
LX
COMP
VOUT short to GND
IL
OCP th
OCPOUT_IH(inner)
OCP_latch(inner)
OCP detect
OCP latch is set
Hiccup time:8.191 msec(typ)
NON
restart
Short condition is reset
reset
restart
Figure 4. Startup/Shutdown Timing Chart
Figure 5. OCP Timing Chart



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