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參數(shù)資料
| 型號： | PT78NR114V |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準(zhǔn)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 |
| 文件大小： | 202K |
| 代理商： | PT78NR114V |
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
PT78NR100 Series
Standard Application
C1 = Required 100μF electrolytic
(1)
C2
= Required 100μF electrolytic
(1)
Ordering Information
PT 78NR1
Pin-Out Information
Pin
Function
1
+V
i
n
2
-V
out
3
GND
Negative output from positive input
Wide Input Range
Self-Contained Inductor
Short Circuit Protection
Over-Temperature Protection
Fast Transient Response
The PT78NR100 Series creates a
negative output voltage from a posi-
tive input voltage greater than 7V.
These easy-to-use, 3-terminal, Inte-
grated Switching Regulators (ISRs)
have maximum output power of 5
watts and a negative output voltage
that is laser trimmed. They also have
excellent line and load regulation.
1 Amp Plus to Minus Voltage
Integrated Switching Regulator
PT78NR100
+
-Vout
COM
COM
Vin
1
3
2
C2
C1
+
XX
Y
Pkg Style 500
SLTS058B
(Revised 8/31/2000)
Output Voltage
03
= -3.0 Volts
05
= -5.0 Volts
52
= -5.2 Volts
06
= -6.0 Volts
07
= -7.0 Volts
08
= -8.0 Volts
09
= -9.0 Volts
10
= -10.0 Volts
12
= -12.0 Volts
14
= -13.9 Volts
15
= -15.0 Volts
Package Suffix
V
= Vertical Mount
S
= Surface Mount
H
= Horizontal
Mount
Specifications
Characteristics
(T
a
= 25°C unless noted)
Output Current
PT78NR100 SERIES
Typ
0.05
(2)
—
0.05
(2)
—
0.05
(2)
—
0.05
(2)
—
0.05
(2)
—
0.05
(2)
—
—
4
×
I
max
—
4
—
0.5
7
—
7
—
7
—
7
—
Symbols
I
o
Conditions
Over V
in
range
Min
Max
1.00
0.8
0.55
0.5
0.40
0.30
—
—
—
25
21
18
15
Units
V
o
=-5V
V
o
=-6V
V
o
=-7, -8, -9V
V
o
=-10V
V
o
=-12V
V
o
=-13.9, -15V
A
Short Circuit Current
Inrush Current
I
sc
I
ir
t
ir
V
in
V
in
=10V
V
=10V
On start-up
0.1
≤
I
o
≤
I
max
Apk
A
mSec
V
V
V
V
Input Voltage Range
V
o
=-5V
V
o
=-6, -7, -8, -9V
V
o
=-10, -12V
V
o
=-13.9, -15V
Output Voltage Tolerance
V
o
Over V
range
T
a
=-20°C to +70°C
Over V
in
range
0.1
≤
I
o
≤
I
max
V
in
=10V, I
o
=I
max
50% load change
V
o
over/undershoot
V
in
=10V, I
o
=0.5
×
I
max,
V
o
= -5V
Over V
in
and I
o
ranges
Free Air Convection, (40-60LFM)
Over V
in
Range
Free Air Convection, (40-60LFM)
—
Per Mil-STD-883D, Method 2002.3
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, soldered in a PC board
—
—
±1.0
±3.0
%V
o
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
(with 100μF output cap)
Efficiency
Switching Frequency
Absolute Maximum
Operating Temperaturte Range
Thermal Resistance
Storage Temperature
Mechanical Shock
Mechanical Vibration
Reg
line
Reg
load
V
n
t
tr
—
—
—
—
—
—
600
±0.5
±0.5
±2
100
5.0
75
650
±1.0
±1.0
—
250
—
—
700
%V
o
%V
o
%V
o
μSec
%V
o
%
kHz
η
o
T
a
-40
—
+85
(3)
°C
θ
ja
T
s
—
—
—
-40
—
45
—
500
—
+125
—
—
°C/W
°C
G’s
—
5
G’s
Weight
—
—
6.5
Grams
Notes:
(1)
The PT78NR100 Series requires a 100μF electrolytic or tantalum capacitor at both the input and output for proper operation in all applications. The input
capacitor, C
must have a ripple current rating
≥
600 mArms, and an ESR
≤
0.2
.
(2) The ISR will operate down to no load with reduced specifications.
(3) See Thermal Derating chart.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT78NR115 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:(-)15Vout 0.3Amp Wide-Input Plus to Minus Voltage ISR |
| PT78NR115H | 功能描述:DC/DC轉(zhuǎn)換器 -15Vout 0.3A Wide-In + to - Voltage ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PT78NR115H | 制造商:Texas Instruments 功能描述:Peak Reflow Compatible (260 C):No |
| PT78NR115S | 功能描述:DC/DC轉(zhuǎn)換器 -15Vout 0.3A Wide-In + to - Voltage ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PT78NR115ST | 功能描述:DC/DC轉(zhuǎn)換器 -15Vout 0.3A Wide-In + to - Voltage ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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