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L6566ATR 数据表(PDF) 14 Page - STMicroelectronics

部件名 L6566ATR
功能描述  Multi-mode controller for SMPS with PFC front-end
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6566ATR 数据表(HTML) 14 Page - STMicroelectronics

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Electrical characteristics
L6566A
14/51
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Current sense comparator
ICS
Input bias current
VCS = 0
-1
µA
tLEB
Leading edge blanking
150
250
300
ns
td(H-L)
Delay to output
100
ns
VCSx
Overcurrent setpoint
VCOMP = VCOMPHI, VVFF = 0 V
0.92
1
1.08
V
VCOMP = VCOMPHI, VVFF = 1.5 V
0.45
0.5
0.55
VCOMP = VCOMPHI, VVFF = 3.0 V
0
0.1
VCSdis
Hiccup-mode OCP level
(1)
1.4
1.5
1.6
V
PWM control
VCOMPHI
Upper clamp voltage
ICOMP = 0
5.7
V
VCOMPLO
Lower clamp voltage
ISOURCE = -1 mA
2.0
V
VCOMPSH
Linear dynamics upper limit
(1) V
VFF = 0 V
4.8
5
5.2
V
ICOMP
Max. source current
VCOMP = 3.3 V
320
400
480
µA
RCOMP
Dynamic resistance
VCOMP = 2.6 to 4.8 V
25
k
Ω
VCOMPBM
Burst-mode threshold
(1)
2.52
2.65
2.78
V
(1) MODE/SC = Open
2.7
2.85
3
Hys
Burst-mode hysteresis
20
mV
ICLAMPL
Lower clamp capability
VCOMP = 2 V
-3.5
-1.5
mA
VCOMPOFF Disable threshold
Voltage falling
1.4
V
Zero current detector/ overvoltage protection
VZCDH
Upper clamp voltage
IZCD = 3 mA
5.4
5.7
6
V
VZCDL
Lower clamp voltage
IZCD = - 3 mA
-0.4
V
VZCDA
Arming voltage
(1) positive-going edge
85
100
115
mV
VZCDT
Triggering voltage
(1) negative-going edge
30
50
70
mV
IZCD
Internal pull-up
VCOMP < VCOMPSH
-1
µA
VZCD < 2 V, VCOMP = VCOMPHI
-130
-100
-70
IZCDsrc
Source current capability
VZCD = VZCDL
-3
mA
IZCDsnk
Sink current capability
VZCD = VZCDH
3mA
TBLANK1
Turn-on inhibit time
After gate-drive going low
2.5
µs
VZCDth
OVP threshold
4.85
5
5.15
V
TBLANK2
OVP strobe delay
After gate-drive going low
2
µs
Table 4.
Electrical characteristics (continued)



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