L6566ATR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6566ATR' PDF : 51 Pages View PDF
L6566A
Electrical characteristics
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
VCOMPO
VCOMPL
Level for pin 6 open and lower
UVLO off threshold (COMP
voltage falling)
Level for pin 6 closed and
higher UVLO off threshold
(COMP voltage rising)
(1)
(1) MODE/SC = open
(1)
(1) MODE/SC = open
Tdelay Pin 6 change of state delay
Closed-to-open
Mode selection/slope compensation
Min.
2.61
3.02
2.9
3.41
MODEth
SCpk
Threshold for QR operation
Ramp peak
(MODE/SC = open)
RS-COMP = 3 kΩ to GND, GD
pin high, VCOMP = 5 V
SCvy
Ramp starting value
(MODE/SC = open)
RS-COMP = 3 kΩ to GND,
GD pin high
Ramp voltage
(MODE/SC = open)
GD pin low
Source capability
(MODE/SC = open)
VS-COMP = VS-COMPpk
0.8
Soft-start
ISS1
Charge current
ISS2
ISSdis
VSSclamp
VSSDIS
VSSLAT
Discharge current
High saturation voltage
Disable level
Latch-off level
Gate driver
TJ = 25 °C, VSS < 2 V,
VCOMP = 4 V
TJ = 25 °C, VSS > 2 V,
VCOMP = VCOMPHi
VSS > 2 V
VCOMP = 4 V
(1) VCOMP = VCOMPHi
VCOMP = VCOMPHi
14
3.5
3.5
4.85
VGDH Output high-voltage
IGDsource = 5 mA, Vcc = 12 V
9.8
VGDL Output low-voltage
IGDsink = 100 mA
Isourcepk Output source peak current
-0.6
Isinkpk Output sink peak current
0.8
tf
Fall time
tr
Rise time
VGDclamp Output clamp voltage
IGDsource = 5 mA; Vcc = 20 V
10
UVLO saturation
Vcc = 0 to Vccon, Isink = 1 mA
1. Parameters tracking one another.
2. See Table 6 on page 41 and Table 7 on page 45.
3. The voltage feedforward block output is given by:
( ) Vcs = Kc VCOMP − 2.5 − KFF VVFF
Typ.
2.75
3.15
3.05
3.55
10
3
1.7
0.3
0
20
5
5
2
5
6.4
11
0.75
40
50
11.3
0.9
Max.
2.89
3.28
3.2
3.69
26
6.5
6.5
5.15
15
1.1
Unit
V
V
ms
V
V
V
V
mA
µA
µA
V
V
V
V
V
A
A
ns
ns
V
V
Doc ID 13794 Rev 4
15/52
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