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參數資料
| 型號： | 78SR105VC |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, SMA3 |
| 封裝： | ROHS COMPLIANT, VERTICAL MOUNT PACKAGE-3 |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 193K |
| 代理商： | 78SR105VC |
For assistance or to order, call (800) 531-5782
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
2
Revised 6/30/98
Standard Application
C1 = Optional 1F ceramic
C2 = Optional 1F ceramic
Pin-Out Information
Pin
Function
1Vin
2
GND
3Vout
Ordering Information
78SR1
C
XX
Y
05
= 5.0 Volts
53
= 5.25 Volts
06
= 6.0 Volts
74
= 7.15 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
1.5 AMP POSITIVE STEP-DOWN
INTEGRATED SWITCHING REGULATOR
Very Small Footprint
High Efficiency > 85%
Self-Contained Inductor
Internal Short-Circuit Protection
Over-Temperature Protection
Wide Input Range
The 78SR100 is a series of wide input
voltage, 3-terminal Integrated Switching
Regulators (ISRs). These ISRs have a maxi-
mum output current of 1.5A and an output
voltage that is laser trimmed to a variety of
industry standard voltages.
These 78 series regulators have excellent
line and load regulation with internal short-
circuit and over-temperature protection, are
very flexible, and may be used in a wide
variety of applications.
78SR100
Series
Output Voltage
Specifications
Characteristics
78SR100 SERIES
(T
a = 25°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1*
—
1.5
A
Short Circuit Current
Isc
Vin = Vin min
—
3.5
—
Apk
Input Voltage Range
Vin
0.1
≤ I
o ≤ 1.5A
Vo= 5V
7
—
30
V
Vo= 12V
14.5
—
30
V
Output Voltage Tolerance
V
o
Over Vin range, Io=1.5A
—
±1.0
±2.0
%Vo
Ta = 0°C to +60°C
Line Regulation
Regline
Over Vin range
—
±0.2
±0.4
%Vo
Load Regulation
Regload
0.1
≤ I
o ≤ 1.5A
—
±0.1
±0.2
%Vo
Vo Ripple/Noise
Vn
Vin= 9V, Io= 1.5A
Vo= 5V
—
50
—
mVpp
Vin= 16V, Io= 1.5A
Vo= 12V
80
mVpp
Transient Response
ttr
50% load change
—
100
—
Sec
Vo over/undershoot
—
30
—
%Vo
Efficiency
η
Vin= 10V, Io= 1A
Vo= 5V
—
85
—
%
Vin= 17V, Io= 1A
Vo= 12V
—
90
—
%
Switching Frequency
o
Over Vin range, Io=1.5A
600
650
700
kHz
Absolute Maximum
Ta
—
-40
—
+85
°C
Operating Temperature Range
Recommended Operating
Ta
Free Air Convection, (40-60LFM)
Temperature Range
At Vin= 24V, Io=1.0A
-40
—
+80**
°C
Thermal Resistance
θ
ja
Free Air Convection, (40-60LFM)
—
45
—
°C/W
Storage Temperature
Ts
—
-40
—
+125
°C
Mechanical Shock
—
Per Mil-STD-883D, Method 2002.3
—
500
—
G’s
Mechanical Vibration
—
Per Mil-STD-883D, Method 2007.2,
—5
—
G’s
20-2000 Hz, soldered in a PC board
Weight
—
6.5
—
grams
*ISR will operate down to no load with reduced specifications.
**See Thermal Derating chart.
78SR100
Vout
GND
Vin
C1
1
2
3
C2
Pkg Style 500
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 78SR105VC | 制造商:POWER TRENDS 功能描述:IC ISR VERTICAL +5V 78SR105 |
| 78SR106 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:6Vout 1.5A Wide Input Positive Step-Down ISR |
| 78SR106HC | 功能描述:DC/DC轉換器 6Vout 1.5A Wide Inp Pos Step-Down ISR RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量: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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| 78SR106SC | 功能描述:DC/DC轉換器 6Vout 1.5A Wide Inp Pos Step-Down ISR RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量: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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| 78SR106SCT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
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