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參數(shù)資料
| 型號： | PT7681 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | PFC Ballast Control in a 16-pin DIP package; Similar to IR2166 with Lead Free Packaging |
| 中文描述： | 2V至3.5V的30A條。 5 - V輸入可編程ISR的瓦特/保證金控制 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 187K |
| 代理商： | PT7681 |
For technical support and more information, see inside back cover or visit www.ti.com
PT7681
—
5V
Typical Characteristics
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=5V, C
in
=1,500μF, C
out
=330μF, V
o
=3.3V, and I
o
=I
o
max)
PT7681
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
=15A
Min
Max
30
29
5.5
±25
(1)
—
—
—
Units
0
0
4.5
—
—
—
—
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
±3
%V
o
Efficiency
η
V
o
=3.3V
V
o
=2.5V
V
o
=1.8V
V
o
=3.3V
V
o
=2.5V
V
o
=1.8V
—
—
—
—
—
—
—
—
—
—
—
250
93
92
89
90
87
83
40
25
±200
(2)
38
±5
300
—
—
—
—
—
—
—
—
—
—
—
350
%
I
o
=30A
%
V
o
Ripple (pk-pk)
Transient Response
V
r
t
tr
V
os
I
TRIP
V
o
adj
s
20MHz bandwidth
1A/μs load step, 50% and 100% I
o
max
V
o
over/undershoot
Reset followed by auto-recovery
Pin 6 or 26 connected to pin 12
Over V
in
range
mV
pp
μSec
mV
A
%
kHz
Over-Current Threshold
Output Margin Adjust
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
Mechanical Shock
V
IH
V
IL
I
IL
I
in
standby
C
out
T
a
T
reflow
T
s
—
Referenced to GND
2.0
-0.2
—
—
330
(4)
–40
—
–40
—
—
0.3
6
—
—
—
—
Open
(3)
0.8
—
—
15,000
85
215
(6)
125
V
mA
mA
μF
°C
°C
°C
Pin 5 to GND
Pin 5 to GND
Over V
in
Range
Surface temperature of module pins or case
—
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)
—
500
—
G’s
Mechanical Vibration
—
Suffix A
—
—
—
20
TBD
(7)
36
(7)
—
—
—
G’s
Suffixes N,C
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 (<1μA)
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 330μF for proper operation. An input capacitance of 1500μF is also required. This
must be rated for a minimum of 1.1Arms 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 30ADC with a typical value of 1μH.
30-A Programmable ISR
With Margin Up/Down Controls
SLTS177A - DECEMBER 2002 - REVISED MARCH 2003
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| PT7681A | 功能描述:REG 2-3.5V 30A 5VIN PROG HORZ RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT7680 設(shè)計資源:Maxi/Mini/Micro Design Guide, Appl Manual 標(biāo)準(zhǔn)包裝:1 系列:Maxi 類型:隔離 輸出數(shù):1 電壓 - 輸入（最?。?43V 電壓 - 輸入（最大）:110V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:400W 電壓 - 隔離:* 特點:* 安裝類型:通孔 封裝/外殼:模塊 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包裝:散裝 工作溫度:-55°C ~ 100°C 效率:* 電源（瓦特）- 最大:* |
| PT7681C | 功能描述:REG 2-3.5V 30A 5VIN PROG SMD RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT7680 設(shè)計資源:Maxi/Mini/Micro Design Guide, Appl Manual 標(biāo)準(zhǔn)包裝:1 系列:Maxi 類型:隔離 輸出數(shù):1 電壓 - 輸入（最?。?43V 電壓 - 輸入（最大）:110V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:400W 電壓 - 隔離:* 特點:* 安裝類型:通孔 封裝/外殼:模塊 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包裝:散裝 工作溫度:-55°C ~ 100°C 效率:* 電源（瓦特）- 最大:* |
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