鈥?/div>
87% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-T
emperature Protection
On/Off Control (Ground Off)
Small SIP Footprint
Wide Input Range
SLTS076
(Revised 8/17/99)
The PT6310 series is a High-
Performance 2 Amp, 12-Pin SIP
(Single In-line Package) Integrated
Switching Regulator (ISR) designed to
meet the on-board power conversion
needs of battery powered or other equip-
ment requiring high efficiency and
small size. This high performance ISR
offers a unique combination of features
combining 87% typical efficiency with
open-collector on/off control and ad-
justable output voltage.
Quiescent current in the shutdown
mode is typically less than 100碌A(chǔ).
Pin-Out Information
Pin
1
Ordering Information
PT6310!
PT6311!
PT6312!
PT6313!
= +14.6 Volts
= +15.5 Volts
= +15.0 Volts
= +8.0 Volts
PT Series Suffix
(PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Function
Inhibit
(30V max)
Standard Application
V
O
ADJ
12
2
3
9,10,11
V
in
V
in
V
in
GND
GND
GND
GND
V
out
V
out
V
out
V
out
Adj
N
A
C
V
IN
2,3,4
1
PT6300
5,6,7,8
V
OUT
4
5
6
7
Pkg Style 200
C1
INH
COM
Q1
C2
+
COM
8
9
10
11
12
C
1
= Optional 1碌F ceramic
C
2
= Required 100碌F electrolytic
Q
1
= NFET
Specifications
Characteristics
(T
a
= 25擄C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
Output Voltage T
olerance
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
o
= 100碌F
Efficiency
Switching Frequency
Shutdown Current
Quiescent Current
Output Voltage
Adjustment Range
Absolute Maximum
Operating T
emperature Range
Recommendated Operating
Temperature Range
Thermal Resistance
Storage T
emperature
Mechanical Shock
Mechanical Vibration
Weight
鈥?/div>
Symbols
I
o
I
sc
V
in
鈭哣
o
Reg
line
Reg
load
V
n
t
tr
V
os
畏
茠
o
I
sc
I
nl
V
o
T
a
T
a
PT6310 Series
Conditions
Over V
in
range
V
in
= V
o
+ 5V
0.1
鈮?/div>
I
o
鈮?/div>
2.0 A
Over V
in
Range, I
o
= 2.0 A
T
a
= 0擄C to +60擄C
Over V
in
range
0.1
鈮?/div>
I
o
鈮?/div>
2.0 A
V
in
= V
in
min, I
o
= 2.0A
50% load change
V
o
over/undershoot
V
in
=24V, I
o
= 2.0 A
Over V
in
and I
o
ranges
V
in
= 15V
I
o
= 0A, V
in
=10V
Below V
o
Above V
o
Min
0.1*
鈥?/div>
V
o
+ 4
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
600
500
鈥?/div>
鈥?/div>
Typ
鈥?/div>
5.0
鈥?/div>
鹵1.0
鹵0.25
鹵0.25
鹵2
100
5.0
87
700
550
100
10
Max
2.0
鈥?/div>
38**
鹵2.0
鹵0.5
鹵0.5
鈥?/div>
200
鈥?/div>
鈥?/div>
800
600
鈥?/div>
鈥?/div>
Units
A
Apk
V
%V
o
%V
o
%V
o
%V
o
碌Sec
%V
o
%
kHz
kHz
碌A(chǔ)
mA
PT6312 only
See Application Notes.
-40
鈥?/div>
鈥?/div>
30
鈥?/div>
500
10
6.5
+85
+70
鈥?/div>
+125
鈥?/div>
鈥?/div>
鈥?/div>
擄C
擄
C
擄
C/W
Free Air Convection, (40-60LFM)
At V
in
= 18V, I
o
= 2.0A
Free Air Convection (40-60LFM)
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>
-40
鈥?/div>
-40
鈥?/div>
鈥?/div>
鈥?/div>
胃
ja
T
s
擄C
G鈥檚
G鈥檚
grams
* ISR will operate to no load with reduced specifications.
** Input voltage cannot exceed 30V when the inhibit function is used.
Note:
The PT6310 requires a 100碌F electrolytic or tantalum output capacitor for proper operation in all applications.
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.ti.com/powertrends
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