L6566BH 查看數據表（PDF） - STMicroelectronics
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L6566BH Datasheet PDF : 51 Pages
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Electrical characteristics
L6566BH
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
VCOMPLO
VCOMPSH
ICOMP
RCOMP
Lower clamp voltage
Linear dynamics upper limit
Max. source current
Dynamic resistance
VCOMPBM Burst-mode threshold
Hys Burst-mode hysteresis
ICLAMPL Lower clamp capability
VCOMPOFF Disable threshold
VCOMPO
Level for lower UVLO OFF
threshold (voltage falling)
VCOMPL
Level for higher UVLO OFF
threshold (voltage rising)
ISOURCE = -1 mA
(1) VVFF = 0 V
VCOMP = 3.3 V
VCOMP = 2.6 to 4.8 V
(1)
(1) MODE/SC = open
VCOMP = 2 V
Voltage falling
(4)
(4) MODE/SC = open
(4)
(4) MODE/SC = open
Zero-current detector/overvoltage protection
VZCDH
VZCDL
VZCDA
VZCDT
Upper clamp voltage
Lower clamp voltage
Arming voltage
Triggering voltage
IZCD Internal pull-up
IZCDsrc
IZCDsnk
TBLANK1
VZCDth
TBLANK2
Source current capability
Sink current capability
Turn-on inhibit time
OVP threshold
OVP strobe delay
Latched shutdown function
IZCD = 3 mA
IZCD = - 3 mA
(1) Positive-going edge
(1) Negative-going edge
VCOMP < VCOMPSH
VZCD < 2 V, VCOMP = VCOMPHI
VZCD = VZCDL
VZCD = VZCDH
After gate-drive going low
After gate-drive going low
IOTP
VOTP
Input bias current
Disable threshold
Thermal shutdown
VDIS = 0 to VOTP
(1)
Vth Shutdown threshold
Hys Hysteresis
External oscillator (frequency modulation)
fFMOD
---
Oscillation frequency
Usable frequency range
CMOD = 0.1 µF
Min.
4.8
320
2.52
2.7
-3.5
2.61
3.02
2.9
3.41
5.4
85
30
-130
-3
3
4.85
4.32
600
0.05
Typ.
2.0
5
400
25
2.65
2.85
20
1.4
2.75
3.15
3.05
3.55
5.7
-0.4
100
50
-100
2.5
5
2
4.5
160
50
750
Max.
5.2
480
2.78
3
-1.5
2.89
3.28
3.2
3.69
6
115
70
-1
-70
5.15
-1
4.68
900
15
Unit
V
V
µA
kΩ
V
mV
mA
V
V
V
V
V
mV
mV
µA
mA
mA
µs
V
µs
µA
V
°C
°C
Hz
kHz
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Doc ID 16610 Rev 2
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