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參數資料
| 型號： | PT6724N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 14 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA17 |
| 封裝： | VERTICAL MOUNT PACKAGE-17 |
| 文件頁數： | 2/9頁 |
| 文件大?。?/td> | 205K |
| 代理商： | PT6724N |
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, Ta =25°C, Vin =12V, Cin =1,000F, Cout =330F, and Io =Iomax)
PT6725 SERIES
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Output Current
Io
Ta =+60°C, 200LFM
Vo≤2.5V
0.1 (1)
—14
A
Ta =+25°C, natural convection
Vo >2.5V
0.1 (1)
—13
Input Voltage Range
Vin
Over Io Range
10.8
—
13.2
VDC
Set Point Voltage Tolerance
Vo tol
—
±1
±1.5 (2)
%Vo
Temperature Variation
Regtemp
–40°
≤Ta≤ +85°C, Io =Iomin
—
±0.5
—
%Vo
Line Regulation
Regline
Over Vin range
—
±5
±10
mV
Load Regulation
Regload
Over Io range
—
±5
±10
mV
Total Output Voltage Variation
Votot
Includes set-point, line, load,
—
±2±3%Vo
–40°
≤Ta ≤ +85°C
Efficiency
η
Io =9.0A
Vo =5.0V
—
93
—
Vo =3.3V
—
90
—
Vo =2.5V
—
87—
%
Vo =1.8V
—
84
—
Vo =1.5V
—
81
—
Vo =1.2V
—
78
—
Vo Ripple (pk-pk)
Vr
20MHz bandwidth
—
35
—
mVpp
Transient Response
ttr
5A/s load step, 50% to 100% Iomax
—
70
—
s
Vtr
Vo over/undershoot
—
±100
—
mV
Short Circuit Threshold
Isc threshold
—
20
32
A
Switching Frequency
s
Over Vin and Io range
300
350
400
kHz
Remote On/Off (Pin 2)
Referenced to –Vin (pin 8)
Input High Voltage
VIH
—
Open (3)
V
Input Low Voltage
VIL
–0.1
—
+0.4
Input Low Current
IIL
—
–0.5
–
mA
Standby Input Current
Iin standby
pins 2 & 8 connected
—
0.5
1.0
mA
External Output Capacitance
Cout
See application schematic
330
—
15,000
F
External Input Capacitance
Cin
See application schematic
1,000
—
F
Operating Temperature Range
Ta
Over Vin range
-40 (4)
—
+85 (5)
°C
Storage Temperature
Ts
—
-40
—
+125
°C
Reliability
MTBF
Per Bellcore TR-332
7.8
—
106 Hrs
50% stress, Ta =40°C, ground benign
Mechanical Shock
—
Per Mil-Std-883D, method 2002.3,
—
500
—
G’s
1ms, half-sine, mounted to a fixture
Mechanical Vibration
—
Mil-Std-883D, Method 2007.2,
—
15 (6)
—G’s
20-2000Hz, soldered in PCB
Weight
—
23
—
grams
Flammability
—
Materials meet UL 94V-0
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 1,000F input capacitor (Cin) with a minimum 1.6Arms ripple current
rating. And a 330F output capacitor (Cout) 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 15,000F. 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 1H.
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| PT6725 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:13 AMP PROGRAMMABLE INTEGRATED SWITCHING REGULATOR |
| PT6725A | 功能描述:開關變換器、穩(wěn)壓器與控制器 3.3Vout 13A 12V Inp Adjustable ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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| PT6725N | 功能描述:開關變換器、穩(wěn)壓器與控制器 3.3Vout 13A 12V Inp Adjustable ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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