= Required 10k鈩?pull-up when using Pwr Good signal. Pwr good
output is high when the output voltage is within specification.
PT6721 SERIES
Symbols
I
o
V
in
鈭哣
o
I
sc
Reg
line
Reg
load
V
n
t
tr
V
os
畏
Conditions
T
a
= +60擄C, 200 LFM, pkg N
T
a
= +25擄C, natural convection
0.1A
鈮?/div>
I
o
鈮?/div>
14A
V
in
= +12V, I
o
= 14A
-40擄C
鈮?/div>
T
a
鈮?/div>
+85擄C
V
in
= +12V
10.8V
鈮?/div>
V
in
鈮?/div>
13.2V, I
o
= 14A
V
in
= +12V, 0.1
鈮?/div>
I
o
鈮?/div>
14A
V
in
= +12V, I
o
= 14A
I
o
step between 7A and 14A
V
o
over/undershoot
V
in
= +12V, I
o
= 9A
V
o
V
o
V
o
V
o
=
=
=
=
3.3V
2.5V
1.8V
1.5V
Min
0.1
0.1
(1)
(1)
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
20
鹵5
鹵10
35
50
70
90
88
83
81
350
鈥?/div>
鈥?/div>
500
15
26
Max
14
14
13.2
V
o
+0.03
30
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
400
+85
(3)
+125
鈥?/div>
鈥?/div>
鈥?/div>
Units
A
V
V
A
mV
mV
mV
碌Sec
mV
%
kHz
擄C
擄C
G鈥檚
G鈥檚
grams
10.8
V
o
鈥?.03
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
300
-40
(2)
-40
鈥?/div>
鈥?/div>
鈥?/div>
Switching Frequency
Absolute Maximum
Operating Temperature Range
Storage Temperature
Mechanical Shock
Mechanical Vibration
Weight
茠
o
T
a
T
s
10.8V
鈮?/div>
V
in
鈮?/div>
13.2V
0.1A
鈮?/div>
I
o
鈮?/div>
14.0A
鈥?/div>
鈥?/div>
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, Soldered in a PC board
鈥?/div>
鈥?/div>
Notes:
(1)
(2)
(3)
(4)
ISR-will operate down to no load with reduced specifications.
For operation below 0擄C, Cin and Cout must have stable characteristics. Use either low ESR tantalum or Oscon廬 capacitors.
See Safe Operating Area curves, or contact the factory for appropriate derating.
If the Remote Sense Ground is note used, pin 13 must be connected to pin 14 for optimum output voltage accuracy.
External Capacitors:
The PT6721 requires a minimum output capacitance of 330碌F, with a maximum ESR of 50m
鈩?/div>
@100kHz for proper operation. The maxi-
mum allowable output capacitance is 15,000碌F. The input capacitance must be rated for a minimum of 1.6Arms of ripple current. For transient or dynamic load
applications, additional capacitance may be required. For more information refer to the application note regarding capacitor selection for this product.
Input Filter:
An input filter inductor is optional for most applications. The inductor must be sized to handle 5ADC with a typical value of 1碌H.
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
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