L6571A - L6571B Electrical data
Doc ID 4946 Rev 6 5/12
3 Electrical data
V
S
= 12V; V
BOOT
- V
OUT
= 12V; T
j
= 25 °C; unless otherwise specified.
Table 5. Electrical characteristcs
Symbol Pin Parameter Test Condition Min. Typ. Max. Unit
V
SUVP
1 VS turn on threshold 8.3 9 9.7 V
V
SUVN
VS turn off threshold 7.3 8 8.7 V
V
SUVH
VS hysteresis 0.7 1 1.3 V
V
CL
VS clamping voltage I
S
= 5 mA 14.6 15.6 16.6 V
I
SU
Start up current V
S
< V
SUVN
150 250 μA
I
q
Quiescent current V
S
> V
SUVP
500 700 μA
I
BOOTLK
8 Leakage current BOOT pin vs GND V
BOOT
= 580V 5 μA
I
OUTLK
6 Leakage current OUT pin vs GND V
OUT
= 562V 5 μA
I
HVG SO
7 High side driver source current V
HVG
= 6V 110 175 mA
I
HVG SI
High side driver sink current V
HVG
= 6V 190 275 mA
I
LVG SO
5 Low side driver source current V
LVG
= 6V 110 175 mA
I
LVG SI
Low side driver sink current V
LVG
= 6V 190 275 mA
V
RFON
2 RF high level output voltage I
RF
=1mA V
S
-0.05 V
S
-0.2 V
V
RF OFF
RF low level output voltage I
RF
= -1mA 50 200 mV
V
CFU
3 CF upper threshold 7.7 8 8.2 V
V
CFL
CF lower threshold 3.80 4 4.3 V
t
d
Internal dead time
L6571A
L6571B
0.85
0.50
1.25
0.72
1.65
0.94
μs
μs
DC
Duty cycle, ratio between dead
Time + conduction time of high
Side and low side drivers
0.45 0.5 0.55
I
AVE
1 Average current from Vs No Load, fs = 60KHz 1.2 1.5 mA
f
out
6 Oscillation frequency RT = 12K; CT = 1nF 57 60 63 kHz
