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參數(shù)資料
| 型號： | PT7675 |
| 英文描述： | Ballast Control, Below Resonance Protection, Thermal Overload Protection, Protection from Failure to Strike, Programmable Preheat Time and Run Frequency, Programmable Deadtime, Automatic Restart for Lamp Exchange in a 16-pin DIP package; A IR21571 with Standard Packaging |
| 中文描述： | 1.075V至1.85V 30A條。 5 - V輸入可編程ISR的 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 184K |
| 代理商： | PT7675 |
For technical support and more information, see inside back cover or visit www.ti.com
PT7671
—
5 V
30-A Programmable
Integrated Switching Regulator
Specifications
(Unless otherwise stated, T
a
=25 °C, V
in
=5 V, C
in
=1,500 μF, C
out
=330 μF, V
o
=3.3 V, and I
o
=I
o
max)
PT7671
Typ
—
—
—
±10
±1
±5
±5
Characteristics
Output Current
Symbols
I
o
Conditions
T
a
= 60 °C, 200LFM, pkg N
T
a
= 25 °C, Natural convection
Over I
o
range
All output voltages
–40 °C
≤
T
a
≤
+85 °C, I
o
=I
o
min
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40 °C
≤
T
a
≤
+85 °C
I
o
=15 A
Min
0
0
4.5
—
—
—
—
Max
30
29
5.5
±25
(1)
—
—
—
Units
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
tol
V
mV
%V
o
mV
mV
—
±1.5
±2.5
%V
o
Efficiency
η
V
o
=3.3 V
V
o
=2.5 V
V
o
=1.8 V
V
o
=3.3 V
V
o
=2.5 V
V
o
=1.8 V
—
—
—
—
—
—
—
—
—
—
250
93
92
89
90
87
83
40
25
±200
(2)
38
300
—
—
—
—
—
—
—
—
—
—
350
%
I
o
=30 A
%
V
o
Ripple (pk-pk)
Transient Response
V
r
t
tr
V
os
I
TRIP
s
20 MHz bandwidth
1 A/μs load step, 50 % and 100 % I
o
max
V
o
over/undershoot
Reset followed by auto-recovery
Over V
in
range
mV
pp
μSec
mV
A
kHz
Over-Current Threshold
Switching Frequency
STBY* Input Requirements
Input High Voltage
Input Low Voltage
Input Low Current
Standby Input Current
External Capacitance
Operating Temperature Range
Solder Reflow Temperature
Storage Temperature
Reliability
V
IH
V
IL
I
IL
I
in
standby
C
out
T
a
T
reflow
T
s
MTBF
Referenced to GND
2.0
-0.2
—
—
330
(4)
–40
—
–40
3.4
—
—
–0.3
6
—
—
—
—
—
Open
(3)
0.8
—
—
15,000
85
215
(6)
125
—
V
mA
mA
μF
°C
°C
°C
10
6
Hrs
Pin 5 to GND
Pin 5 to GND
Over V
in
Range
Surface temperature of module pins or case
—
Per Bellcore TR-332
50 % stress, T
a
=40 °C, ground benign
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
Mil-STD-883D, Method 2007.2
20-2000 Hz
Vertical/Horizontal
Materials meet UL 94V-0
(5)
Mechanical Shock
—
—
500
—
G’s
Mechanical Vibration
—
Suffixes A, N
Suffix C
—
—
—
20
(7)
20
(7)
36
—
—
—
G’s
Weight
Flammability
—
—
grams
Notes:
(1) If the remote sense ground is not used, pin 12 must be connected to pin 13 for optimum output voltage accuracy.
(2) The transient response may be improved by placing additional capacitors with low equivalent series resistance (ESR) on the output.
(3) The STBY* control (pin 5) has an internal pull-up. If it is left open-circuit, the module will operate when input power is applied. A low-leakage (<1 μA)
MOSFET must be used to control this pin. The open-circuit voltage may be as high as Vin.
(4) For operation below 0 °C, Cin and Cout must have stable characteristics. Use either low ESR tantalum or Oscon capacitors.
(5) See safe Operating Area curves or consult factory for the appropriate derating.
(6) During reflow of SMD package version do not elevate the module case, pins, or internal component temperatures above a peak of 215 °C. For further
guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Products,” (SLTA051).
(7) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
External Capacitors:
The regulator require a minimum output capacitance of 330 μF for proper operation. An input capacitance of 1500 μF is also required. This
must be rated for a minimum of 1.1 Arms of ripple current. For transient or dynamic load applications, additional capacitance may be required. For further informa-
tion refer to the application note regarding capacitor selection for this product.
Input Filter:
An input filter inductor is optional for most applications. The inductor must be sized to handle 30 ADC with a typical value of 1 μH.
SLTS176A - NOVEMBER 2002 - REVISED JUNE 2003
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT7675A | 功能描述:開關變換器、穩(wěn)壓器與控制器 PROGRAMMABLE 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 |
| PT7675C | 功能描述:開關變換器、穩(wěn)壓器與控制器 PROGRAMMABLE 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 |
| PT7675N | 功能描述:REG 1.075-1.85V 30A 5VIN VERT RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT7670 設計資源:VI-200, VI-J00 Design Guide, Appl Manual 標準包裝:1 系列:* 類型:隔離 輸出數(shù):1 電壓 - 輸入（最小）:55V 電壓 - 輸入（最大）:100V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:200W 電壓 - 隔離:* 特點:* 安裝類型:通孔 封裝/外殼:9-FinMod 尺寸/尺寸:4.60" L x 1.86" W x 0.79" H（116.8mm x 47.2mm x 20.1mm） 包裝:散裝 工作溫度:-55°C ~ 85°C 效率:* 電源（瓦特）- 最大:* |
| PT768 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:三相整流橋 |
| PT7681 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2V to 3.5V 30A. 5-V Input Programmable ISR w/ Margin Control |
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