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參數(shù)資料
| 型號： | PT6314N |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 166K |
| 代理商： | PT6314N |
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
3 Amp Adjustable Positive Step-down
Integrated Switching Regulators
PT6300 Series
90% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-Temperature Protection
On/Off Control (Ground Off)
Small SIP Footprint
Wide Input Range
The PT6300 Series is a line of
High-Performance 3 Amp, 12-Pin SIP
(Single In-line Package) Integrated
Switching Regulators (ISRs) designed
to meet the on-board power conversion
needs of battery powered or other
equipment requiring high efficiency and
small size. This high performance ISR
family offers a unique combination of
features combining 90% typical effi-
ciency with open-collector on/off
control and adjustable output voltage.
Quiescent current in the shutdown
mode is typically less than 100μA.
Standard Application
C
1
= Optional 1μF ceramic
C
2
= Required 100μF electrolytic
(1)
Q
1
= NFET
Specifications
Ordering Information
PT6302
= +5 Volts
PT6303
= +3.3 Volts
PT6304
= +12 Volts
PT6314
= +1.5Volts
Pin-Out Information
Pin
Function
Inhibit
(30V max)
2
V
in
3
V
in
4
V
in
5
GND
6
GND
7
GND
8
GND
9
V
out
10
V
out
11
V
out
12
V
out
Adj
(5)
1
PT Series Suffix
(PT1234
X
)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
N
A
C
PT6300
2,3,4
5,6,7,8
9,10,11
12
V
IN
COM
COM
V
OUT
C2
+
1
V
O
ADJ
INH
Q1
C1
Pkg Style 200
SLTS031B
(Revised 9/30/2000)
Characteristics
(T
a
=25
°
C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
(Note: inhibit function cannot
be used above 30V.)
PT6300 SERIES
Typ
—
5.0
—
—
—
—
Symbols
I
o
I
sc
V
in
Conditions
Over V
in
range
V
in
= V
o
+
5V
0.1
≤
I
o
≤
3.0 A
Min
0.1
(2)
—
16
9
9
9.0
Max
3.0
—
30/38
(3)
30/38
(3)
26
17
Units
A
Apk
V
o
= 12V
V
o
= 5.0V
V
o
= 3.3V
V
o
= 1.5V
V
Output Voltage Tolerance
V
o
Over V
Range, I
o
= 3.0 A
T
a
= 0°C to +60°C
Over V
in
range
0.1
≤
I
o
≤
3.0 A
V
in
= V
in
min, I
o
= 3.0 A
50% load change
V
o
over/undershoot
V
in
=16V, I
o
= 0.5 A,
V
in
=9V, I
o
= 0.5 A,
V
in
=9V, I
o
= 0.5 A,
V
in
=9V, I
o
=0.5A,
Over V
in
and I
o
ranges,
—
±1.0
±2.0
%V
o
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
o
= 100μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
—
—
—
—
—
—
—
—
—
600
400
350
—
—
-40
±0.25
±0.25
±2
100
5.0
91
89
84
72
750
500
450
100
10
—
±0.5
±0.5
—
200
—
—
—
—
—
900
600
550
—
—
+85
(4)
%V
o
%V
o
%V
o
μSec
%V
o
V
o
= 12V
V
o
= 5.0V
V
o
= 3.3V
V
o
= 1.5V
V
= 12V
V
o
= 3.3V/5V
V
o
= 1.5V
%
Switching Frequency
o
kHz
Shutdown Current
Quiescent Current
Absolute Maximum
Operating Temperature Range
Thermal Resistance
Storage Temperature
Mechanical Shock
I
sc
I
nl
T
a
V
in
= 15V
I
o
= 0A, V
in
=10V
Over V
in
range
μA
mA
°C
θ
ja
T
s
Free Air Convection (40-60LFM)
—
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
—
—
-40
30
—
—
+125
—
°
C/W
°C
—
500
G’s
Mechanical Vibration
—
10
—
G’s
Weight
—
—
6.5
—
grams
Notes:
(1) The PT6300 Series requires a 100μF electrolytic or tantalum output capacitor for proper operation in all applications.
(2) The ISR will operate to no load with reduced specifications.
(3) Input voltage cannot exceed 30V when the inhibit function is used.
(4) See Thermal Derating charts.
(5) Consult the related application note for guidance on adjusting the output voltage.
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