L6377 Datasheet, PDF (5/11 Pages) STMicroelectronics – 0.5A HIGH-SIDE DRIVER INTELLIGENT POWER SWITCH

AC OPERATION
Symbol
Pin
Parameter
tr -tf
Rise or Fall Time
td
dV/dt
2
Delay Time
Slew Rate (Rise and Fall
Edge)
t_ON
5
On time during Short
Circuit Condition
t_OFF
Off time during Short
Circuit Condition
f_max
Maximum Operating
Frequency
SOURCE DRAIN NDMOS DIODE
Test Condition
Vs = 24V; Rl = 70Ω
Rl to ground
Vs = 24V; Rl = 70Ω
Rl to ground
50pF < C_DON < 2nF
Symbol
V_fsd
I_fp
t_rr
t_fr
Parameter
Forward On Voltage
Forward Peak Current
Reverse Recovery Time
Forward Recovery Time
Test Condition
I_fsd = 625mA
t_p = 10ms; duty cycle = 20%
I_fsd = 500mA; dI_fsd/dt = 25A/µs
Figure 1: Undervoltage Comparator Hysteresis
L6377
Min.
Typ.
20
5
Max.
0.7
1
1.5
Unit
µs
µs
V/µs
1.28
µs/pF
64
t_ON
25
kHz
Min. Typ. Max. Unit
1
1.5
V
1.5
A
200
ns
50
ns
Vshys
Figure 2: Switching Waveforms
Vin
50%
Vsth ^D94IN126A
Vs
50%
Vout
td
50%
10%
tr
90%
td
t
90%
50%
10%
tf
t
D94IN127A
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