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參數(shù)資料
| 型號(hào)： | L6668TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SMART PRIMARY CONTROLLER |
| 中文描述： | 智能主控制器 |
| 文件頁(yè)數(shù)： | 6/23頁(yè) |
| 文件大小： | 671K |
| 代理商： | L6668TR |
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L6668
6/23
(1), (2)
Parameters in tracking each other
Figure 4. Typical System Block Diagram
V
SSsat
V
SSclamp
SKIPADJ FUNCTION
I
bias
V
SKIP
Hys
Low saturation voltage
Duty cycle = 0
0.6
V
High saturation voltage
7
V
Input Bias Current
V
SKIP
= 0 to 4.5 V
-1
μA
Operating range
1.4
2.5
V
Hysteresis
Below V
SKIP
Voltage falling
25
85
mV
V
OFF
Shutdown threshold
0.8
V
PFC_STOP FUNCTION
I
leak
V
L
Vth
High level leakage current
V
PFC_STOP
< 16V, V
COMP
= 2V
I
PFC_STOP
= 1mA, V
COMP
= 4V
V
COMP
falling
(2)
V
COMP
rising
(2)
1
μA
Low saturation level
0.1
V
Threshold for high level
2.1
2.2
2.3
V
Vth
Threshold for high level
2.55
2.7
2.85
V
GATE DRIVER
V
OL
V
OH
I
sourcepk
I
sinkpk
t
f
t
r
V
Oclamp
Output Low Voltage
I
sink
= 200 mA
I
source
= 5 mA, Vcc = 12V
1.0
V
Output High voltage
9.8
10.3
V
Peak source current
-0.8
A
Peak sink current
0.8
A
Current Fall Time
30
ns
Current Rise Time
55
ns
Output clamp voltage
Is
ource
= 5mA; Vcc = 20V
Vcc= 0 to Vccon, I
sink
= 2mA
10
12
15
V
UVLO saturation
1.1
V
Table 5. Electrical Characteristcs
(continued)
(T
j
= 0 to 105°C, Vcc=15V, Co=1nF; R
T
=13.3k , C
T
=1nF; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
inac
V
outdc
L6563
anomalous operation, for safety
energy saving regulations.
L6668
PFC PRE-REGULATOR
DC-DC CONVERTER
L6561/2
or
PWM is turned off in case of PFC's
PFC can be turned off at light
load to ease compliance with
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