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L6564H Datasheet(PDF) 28 Page - STMicroelectronics

Part # L6564H
Description  High voltage startup transition-mode PFC
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6564H Datasheet(HTML) 28 Page - STMicroelectronics

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High voltage startup generator
L6564H
28/35
Doc ID 022960 Rev 2
Figure 41.
High voltage startup managing the DC-DC output short-circuit
Table 5.
Summary of L6564H idle states
Condition
Caused or revealed by
IC behavior
Restart condition
Typical IC
consumption
UVLO
VCC < VCCOff
Disabled
VCC > VCCOn
90 µA
Feedback
disconnected
PFC_OK > VPFC_OK_S
and
INV < 1.66 V
Latched
VCC < VCCrestart then
VCC > VCCOn
180 µA
Standby
PFC_OK < VPFC_OK_D
Stop switching
PFC_OK >
VPFC_OK_E
1.5 mA
AC brownout
RUN < VDIS
Stop switching
RUN > VEN
1.5 mA
OVP
PFC_OK > VPFC_OK_S
Stop Switching
PFC_OK <
VPFC_OK_R
2.2 mA
Low
consumption
COMP < 2.4 V
Burst mode
COMP > 2.4 V
2.2 mA
Saturated
boost inductor
Vcs > VCS_th
Doubled Tstart
Auto restart
2.2 mA
AM11466v1
Vcc
(pin 14)
GD
(pin 13)
Vcc_OK
VccON
VccOFF
Vccrestart
Icharge
0.85 mA
Short-circuit occurs here
t
t
t
t
Trep



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