L4984D STMicroelectronics, L4984D Datasheet - Page 31

• Manufacturer Part Number: L4984D
• Description: Power Factor Correction ICs Current Mode PFC CCM Line Modulated Bi
• Manufacturer: STMicroelectronics

Specifications of L4984D

• Rohs: yes

L4984
Table 6.
AC brownout V
consumption
Condition
Feedback
Saturated
Standby
inductor
UVLO
failure
boost
OVP
Low
Summary of L4984 idle states
Caused or revealed by IC behavior
V
V
V
V
AND
V
V
Vcs > V
CC
PFC_OK
VFF
PFC_OK
PFC_OK
INV
COMP
< V
< 1.66 V
< V
< 2.4 V
CS_th
CCOff
DIS
< V
> V
> V
PFC_OK_D
PFC_OK_S
PFC_OK_S
Doc ID 023489 Rev 3
Disabled
Stop
switching
Stop
switching
Stop
switching
Latched-off
Burst mode
Stop
switching
Power management and housekeeping functions
V
V
V
V
V
V
V
then
V
V
Auto restart
after 300 ìs
CC
PFC_OK
PFC_OK_E
VFF
PFC_OK
PFC_OK_R
CC
CC
COMP
condition
Restart
> V
< V
> V
> V
> 2.4 V
CCrestart
CCOn
CCOn
EN
>
<
consumption
Typical IC
1.5 mA
1.5 mA
2.2 mA
180 µA
1.8 mA
65 µA
4 mA
activation
Yes
Yes
Yes
SS
No
No
No
No
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