Datasheet

L6229Q Electrical characteristics
Doc ID 15209 Rev 3 9/28
f
CP
Charge pump frequency T
J
= -25 °C to 125 °C
(1)
0.6 1 MHz
PWM comparator and monostable
I
RCOFF
Source current at pin RCOFF V
RCOFF
= 2.5 V 3.5 5.5 mA
V
OFFSET
Offset voltage on sense comparator
(3)
V
ref
= 0.5 V ±5 mV
t
prop
Turn OFF propagation delay
(4)
V
ref
= 0.5 V 500 ns
t
blank
Internal blanking time on sense
comparator
1µs
t
ON(min)
Minimum on time 2.5 3 µs
t
OFF
PWM recirculation time
R
OFF
= 20 kΩ; C
OFF
= 1 nF 13 μs
R
OFF
= 100 kΩ; C
OFF
= 1 nF 61 μs
I
BIAS
Input bias current at pin VREF 10 µA
Tacho monostable
I
RCPULSE
Source current at pin RCPULSE V
RCPULSE
= 2.5 V 3.5 5.5 mA
t
PULSE
Monostable of time
R
PUL
= 20 kΩ; C
PUL
= 1 nF 12 μs
R
PUL
= 100 kΩ; C
PUL
= 1 nF 60 μs
R
TACH O
Open drain ON resistance 40 60 W
Over current detection and protection
I
SOVER
Supply overcurrent protection threshold T
J
= -25 to 125 °C
(2)
2 2.8 3.55 A
R
OPDR
Open drain ON resistance I
DIAG
= 4 mA 40 60 W
I
OH
OCD high level leakage current V
DIAG
= 5 V 1 µA
t
OCD(ON)
OCD turn-ON delay time
(4)
I
DIAG
= 4 mA; C
DIAG
< 100 pF 200 ns
t
OCD(OFF)
OCD turn-OFF delay time
(4)
I
DIAG
= 4 mA; C
DIAG
< 100 pF 100 ns
1. Tested at 25 °C in a restricted range and guaranteed by characterization
2. See Figure 3.
3. Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.
4. See Figure 4.
Table 6. Electrical characteristics (continued)
(V
S
= 48 V, T
A
= 25 °C, unless otherwise specified)
Symbol Parameter Test condition Min Typ Max Unit