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參數(shù)資料
| 型號(hào)： | SLTS102A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 14-A 12V-Input Adjustable Integrated Switching Regulator |
| 中文描述： | 14 -阿12V的輸入可調(diào)集成開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 194K |
| 代理商： | SLTS102A |
For technical support and more information, see inside back cover or visit www.ti.com
PT6725 Series
14-A 12V-Input Adjustable
Integrated Switching Regulator
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=12V, C
in
=1,000μF, C
out
=330μF, and I
o
=I
o
max)
PT6725 SERIES
Typ
Characteristic
Symbol
Conditions
Min
Max
Units
Output Current
I
o
T
a
=+60°C, 200LFM
T
a
=+25°C, natural convection
Over I
o
Range
V
o
≤
2.5V
V
o
>2.5V
0.1
(1)
0.1
(1)
10.8
—
—
—
—
—
—
—
±1
±0.5
±5
±5
14
13
13.2
±1.5
(2)
—
±10
±10
A
Input Voltage Range
Set Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Voltage Variation
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
V
o
tot
VDC
%V
o
%V
o
mV
mV
–40°
≤
T
a
≤
+85°C, I
o
=I
o
min
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40°
≤
T
a
≤
+85°C
I
o
=9.0A
—
±2
±3
%V
o
Efficiency
η
V
o
=5.0V
V
o
=3.3V
V
o
=2.5V
V
o
=1.8V
V
o
=1.5V
V
o
=1.2V
—
—
—
—
—
—
—
—
—
—
300
93
90
87
84
81
78
35
70
±100
20
350
—
—
—
—
—
—
—
—
—
32
400
%
V
o
Ripple (pk-pk)
Transient Response
V
r
t
tr
V
tr
I
sc
threshold
s
20MHz bandwidth
5A/μs load step, 50% to 100% I
o
max
V
o
over/undershoot
mV
pp
μs
mV
A
kHz
Short Circuit Threshold
Switching Frequency
Remote On/Off (Pin 2)
Input High Voltage
Input Low Voltage
Input Low Current
Standby Input Current
External Output Capacitance
External Input Capacitance
Operating Temperature Range
Storage Temperature
Reliability
Over V
in
and I
o
range
Referenced to –V
in
(pin 8)
V
IH
V
IL
I
IL
I
in
standby
C
out
Cin
T
a
T
s
MTBF
—
–0.1
—
—
330
1,000
-40
(4)
-40
—
—
–0.5
0.5
—
—
—
—
Open
(3)
+0.4
–
1.0
15,000
—
+85
(5)
+125
V
mA
mA
μF
μF
°C
°C
pins 2 & 8 connected
See application schematic
See application schematic
Over V
in
range
—
Per Bellcore TR-332
50% stress, T
a
=40°C, ground benign
Per Mil-Std-883D, method 2002.3,
1ms, half-sine, mounted to a fixture
Mil-Std-883D, Method 2007.2,
20-2000Hz, soldered in PCB
7.8
—
—
10
6
Hrs
Mechanical Shock
—
—
500
—
G’s
Mechanical Vibration
—
—
15
(6)
—
G’s
Weight
Flammability
Notes:
(1) The ISR will operate at no load with reduced specifications.
(2) If the remote sense feature is not being used, connect the Remote Sense Gnd (pin 7) to GND (pin 8) for optimum output voltage accuracy.
(3) The STBY* control (pin 2) has an internal pull-up and if it is left open circuit the module will operate when input power is applied. The open-circuit
voltage is typically the input voltage, Vin. Refer to the application notes for other interface considerations.
(4) For operation below 0°C, Cin and Cout must have stable characteristics. Use either low ESR tantalum or Oscon capacitors. See application notes.
(5) See Safe Operating Area curves or contact the factory for the appropriate derating.
(6) The case pins on through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
Input/Output Capacitors:
For proper operation in all applications, the PT6725 series requires a 1,000μF input capacitor (C
) with a minimum 1.6Arms ripple current
rating. And a 330μF output capacitor (C
) with a maximum ESR of 50m
at 100kHz. For transient or dynamic load applications, additional output capacitance may be
necessary. The maximum allowable output capacitance is 15,000μF. For more information consult the related application note on capacitor recommendations.
Input Inductor:
An input filter inductor is optioinal for most applications. The inductor must be sized to handle 6.5ADC with a typical value of 1μH.
—
—
—
23
—
grams
Materials meet UL 94V-0
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