tle6389 Infineon Technologies Corporation, tle6389 Datasheet - Page 11

• Manufacturer Part Number: tle6389
• Description: Step - Down Dc/dc Controller
• Manufacturer: Infineon Technologies Corporation

3
5V<
all voltages with respect to ground; positive current defined flowing into the pin; unless otherwise specified
Item
Target Datasheet Rev. 1.7
3.0.28 Gate driver,
3.0.29 Gate driver,
3.0.30 Gate driver,
3.0.31 Gate driver,
3.0.32 Gate driver,
3.0.33 Gate driver,
3.0.34 Current Limit
3.0.35 PWM to PFM
3.0.36 PFM to PWM
3.0.37 Oscillator frequency
3.0.38 Maximum duty cycle
3.0.39 Minimum duty cycle
3.0.40 SYNC capture
V
S
<48V; - 40°C<
Parameter
P-gate to source
voltage (on)
peak charging
current
peak discharging
current
rise time
fall time
gate charge
Threshold Voltage
Threshold Current
Threshold Timing
range
Electrical Characteristics (cont’d)
T
j
<150°C ;
Symbol
V
V
I
I
t
t
Q
V
V
V
t
f
d
d
r
f
off_PFM
OSC
GDRV
GDRV
MAX
MIN
GDRV
S
LIM
VS
CS
GDRV
–
=
–
min. typ. max.
TBD
50
70
270
100
270
Limit Values
11
TBD
TBD
70
100
100
0.1*
I
TBD
360
360
LIM
6.5
130
450
TBD %
450
Unit Test Condition
V
A
A
ns
ns
nC
mV
mA
kHz
%
kHz
s
V
C
C
V
C
C
V
C
C
I
R
PWM mode only
PWM mode only
PWM mode only
PWM mode only
LIM =
ENABLE
ENABLE
ENABLE
BDS
GDRV
BDS
GDRV
BDS
GDRV
SENSE
V
= 220 nF
= 220 nF
= 220 nF
LIM
= 5nF
= 5nF
= 5nF
= 5 V
= 5 V
= 5 V
/
TLE 6389
2001-09-17