Datasheet

TLE 6389
Datasheet Rev. 2.1 16 2007-08-13
4.35 Gate driver,
gate voltage, fall
time
t
f
50 65 ns V
ENABLE/SI_ENABLE
= 5 V
C
BDS
= 220 nF
C
GDRV
= 4.7nF
4.36 Peak current limit
threshold voltage
V
LIM
=
V
VS
–
V
CS
50 70 90 mV
4.37 Oscillator
frequency
f
OSC
290 360 420 kHz PWM mode only
4.38 Maximum duty
cycle
d
MAX
100 % PWM mode only
4.39 Minimum on time t
MIN
220 400 ns PWM mode only
4.40 SYNC capture
range
∆f
sync
250 530 kHz PWM mode only
4.41 SYNC trigger level
high
V
SYNC,h
4.0 V
2)
4.42 SYNC trigger level
low
0.8 V
2)
Reset Generator
4.43 Reset threshold V
VOUT, RT
3.5 3.65 3.8 V TLE6389-3 GV50;
V
VOUT
decreasing
4.44 4.5 4.65 4.8 V TLE6389-3 GV50;
V
VOUT
increasing
4.45 Reset headroom V
RT,HEAD
80 mV TLE6389-2 GV50;
V
OUT
(V
S
=6V,
I
LOAD
=1A)
-V
VOUT,RT
4.46 Reset threshold V
VOUT, RT
4.5 4.65 4.8 V TLE6389-2 GV50;
V
VOUT
increasing/
decreasing
4.47 Reset threshold
hysteresis
∆V
VOUT,
RT
50 mV TLE6389-2 GV50
2)
4 Electrical Characteristics (cont’d)
5V < V
VS
< 48V; -40°C < T
j
< 150 °C;
All voltages with respect to ground; positive current defined flowing into the pin; unless otherwise specified
Item Parameter Symbol Limit Values Unit Test Condition
min. typ. max.