鈥?/div>
Low Voltage Input (7V)
90% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-T
emperature Protection
On/Off Control (Ground Off)
SLTS065
(Revised 6/4/98)
The PT6320 series is a low volt-
age input (typically 7V) version of
Power Trends鈥?high-performance
3A, 12 pin SIP Integrated Switching
Regulators (ISRs). These ISRs are de-
signed with premium low threshold FETs
for those applications requiring very low
input/output voltage differentials such as
battery powered equipment. This high-
performance ISR family offers a unique
combination of features combining 90%
typical efficiency with open-collector on/
off control and adjustable output voltage.
Quiescent current in the shutdown mode
is less than 100碌A(chǔ).
Pin-Out Information
Pin
1
Ordering Information
PT6322!
= +5 Volts
PT6323!
= +3.3 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
V
OUT
V
in
V
in
V
in
GND
GND
GND
GND
V
out
V
out
V
out
V
out
Adj
Pkg Style 200
PT6320
N
A
C
V
IN
2,3,4
1
PT6320
5,6,7,8
9,10,11
4
5
6
7
C1
INH
GND
Q1
C2
+
GND
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
Symbols
I
o
I
sc
PT6320 SERIES
Conditions
Over V
in
range
V
in
= V
o
+ 5V
0.1
鈮?/div>
I
o
鈮?/div>
3.0 A
V
o
= 3.3V
V
o
= 5V
Over V
in
Range, I
o
= 3.0 A
T
a
= 0擄C to +60擄C
Over V
in
range
0.1
鈮?/div>
I
o
鈮?/div>
3.0 A
V
in
= V
in
min, I
o
= 3.0A
50% load change
V
o
over/undershoot
V
in
=9V, I
o
= 0.5 A, V
o
= 3.3V
V
in
=9V, I
o
= 0.5 A, V
o
= 5V
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>
7
7
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
400
鈥?/div>
鈥?/div>
Typ
鈥?/div>
5.0
鈥?/div>
鈥?/div>
鹵1.0
鹵0.25
鹵0.25
鹵2
100
5.0
84
89
500
100
10
Max
3.0
鈥?/div>
26
30/38**
鹵2.0
鹵0.5
鹵0.5
鈥?/div>
200
鈥?/div>
鈥?/div>
鈥?/div>
600
鈥?/div>
鈥?/div>
Units
A
Apk
V
V
%V
o
%V
o
%V
o
%V
o
碌Sec
%V
o
%
%
kHz
碌A(chǔ)
mA
Input Voltage Range
V
in
(Note: inhibit function cannot be used above 30V
.)
Output Voltage T
olerance
鈭哣
o
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>
Reg
line
Reg
load
V
n
t
tr
V
os
畏
茠
o
I
sc
I
nl
V
o
T
a
T
a
See Application Notes.
-40
鈥?/div>
鈥?/div>
30
鈥?/div>
500
10
6.5
+85
+80***
鈥?/div>
+125
鈥?/div>
鈥?/div>
鈥?/div>
擄C
擄
C
擄
C/W
Free Air Convection, (40-60LFM)
At V
in
= 24V, I
o
= 2.5A
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. *** See Thermal Derating chart.
Note:
The PT6320 Series requires a 100碌F electrolytic or tantalum output capacitor for proper operation in all applications.
8
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.ti.com/powertrends
PT6323C 產(chǎn)品屬性
24
電源 - 板載
DC DC Converters
PT6320
非隔離（POL）
1
26V
3.3V
-
-
3A
9W
-
-
表面貼裝
12-SIP SMD 模塊
-
托盤(pán)
-40°C ~ 85°C
84%
9.9W
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