參數(shù)資料
型號: L6566B
廠商: 意法半導(dǎo)體
英文描述: Multi-mode controller for SMPS
中文描述: 多模式開關(guān)電源控制器
文件頁數(shù): 14/51頁
文件大?。?/td> 401K
代理商: L6566B
Electrical characteristics
L6566B
14/51
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Current sense comparator
I
CS
Input bias current
V
CS
= 0
-1
μA
t
LEB
Leading edge blanking
150
250
300
ns
td
(H-L)
Delay to output
100
ns
V
CSx
Overcurrent setpoint
V
COMP
= V
COMPHI
, V
VFF
= 0V
0.92
1
1.08
V
V
COMP
= V
COMPHI
, V
VFF
= 1.5V
0.45
0.5
0.55
V
COMP
= V
COMPHI
, V
VFF
= 3.0V
0
0.1
V
CSdis
Hiccup-mode OCP level
(1)
1.4
1.5
1.6
V
PWM control
V
COMPHI
Upper clamp voltage
I
COMP
= 0
5.7
V
V
COMPLO
Lower Clamp Voltage
I
SOURCE
= -1mA
2.0
V
V
COMPSH
Linear dynamics upper limit
(1)
V
VFF
= 0V
4.8
5
5.2
V
I
COMP
Max. source current
V
COMP
= 3.3 V
320
400
480
μA
R
COMP
Dynamic resistance
V
COMP
= 2.6 to 4.8 V
25
k
V
COMPBM
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
I
CLAMPL
Lower clamp capability
V
COMP
= 2V
-3.5
-1.5
mA
V
COMPOFF
Disable threshold
Voltage falling
1.4
V
V
COMPO
Level for lower UVLO off
threshold (voltage falling)
(3)
2.61
2.75
2.89
V
(3)
MODE/SC = Open
3.02
3.15
3.28
V
COMPL
Level for higher UVLO off
threshold (voltage rising)
(3)
2.9
3.05
3.2
V
(3)
MODE/SC = Open
3.41
3.55
3.69
Table 5. Electrical characteristics (continued)
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