參數(shù)資料
型號(hào)： PT5044LT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO3
封裝： SIP-3
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 653K
代理商： PT5044LT
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Ordering Information
PT5041
o = +12 Volts
PT5042
o = +15 Volts
PT5044
o = +8 Volts
PT5045
o = +9 Volts
PT5046
o = +10 Volts
PT5047
o = +18 Volts
PT5048
o = +12.6 Volts
PT5049
o = +20 Volts
Pin-Out Information
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
N
Horizontal Through-Hole
A
Horizontal Surface Mount
C
Standard Application
C1 = Optional ceramic (1-5F)
C2 = Optional ceramic (1-5F)
C3 = Required Electrolytic (100F)
VIN
(+)
COM
PT5040
1
2
3
COM
VOUT
(+)
C1
C2
C3
NOTE: Boost Topology ISRs are not Short-Circuit Protected.
Wide Input Voltage Range
85% Efficiency
Internal Over-Temperature
Protection
Laser-trimmed Output Voltage
Soft Start
The Power Trends’ PT5040 Series
is a 3-terminal Integrated Switching
Regulator (ISR) designed for use with
+5 volt systems that require an addi-
tional regulated +8 to +20 volts with
up to 1A of output current. These
ISRs are packaged in the 3 pin SIP
configuration.
1 Amp Step-up
Integrated Switching Regulator
PT5040 Series
Pin
Function
1
Vin
2
GND
3
Vout
Pkg Style 100
Specifications
Characteristics
PT5040 SERIES
(T
a=25°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
Vo=20V
0.1*
—
0.5
A
Vo=18V
0.1*
—
0.6
A
Vo=12V
0.1*
—
1.0
A
Vo=15V
0.1*
—
0.75
A
Vo=8V
0.1*
—
1.5
A
Vo=9V
0.1*
—
1.25
A
Current Limit**
Icl
Vin = +5V
—
1.5 Iomax
—
A
Inrush Current
Iir
Vin = +5V @ max Io
—
2.5
—
A
tir
On start up
—
1
—
mSec
Input Voltage Range
Vin
Io = 0.1 to Iomax
4.75
—
(Vo-1V)
V
PT5047/5049
4.75
—
14
V
Output Voltage Tolerance
Vo
Over Vin Range
Io = Imax, Ta= -20°C to shutdown
—
±1.5
±3.0
%Vo
Line Regulation
Regline
Over Vin range
—
±0.5
±1.0
%Vo
Load Regulation
Regload
0.1
≤ Io ≤ Iomax
—
±0.5
±1.0
%Vo
Vo Ripple/Noise
Vn
Vin= +5V, Io=Iomax
—
±2±5%Vo
Transient Response
ttr
25% load change
—
500
—
Sec
Vos
Vo over/undershoot
—
3.0
5.0
%Vo
Efficiency
η
Vin= +5V, Io=0.5A, Vo= +12V
—
85
—
%
Switching Frequency
o
Over Vin and Io ranges
Vo<15V
500
650
800
kHz
Vo>15V
650
800
950
kHz
Absolute Maximum
Ta
—
-20
—
+85
°C
Operating Temperature Range
Recommended Operating
Ta
Free Air Convection, (40-60LFM) Vo<15V
-20
—
70***
°C
Temperature Range
Over Vin and Io ranges
Vo>15V
-20
—
55***
°C
Thermal Resistance
θ
ja
Free Air Convection
—
40
—
°C/W
(40-60LFM)
Storage Temperature
Ts
-40
—
+125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
—
500
—
G’s
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2,
—5
—G’s
20-2000 Hz, Soldered in a PC Board
Weight
—
4.5
—
grams
* ISR will operate down to no load with reduced specifications.
** Boost topology ISRs are not short circuit protected.
*** See SOA Curves.
SLTS026A
(Revised 6/30/2000)
相關(guān)PDF資料
PDF描述
PT5046LT 1.5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO3
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PT5044N 功能描述:DC/DC轉(zhuǎn)換器 8Vout 1.5A 5V-Input Step-Up 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:
PT5045 制造商:Pulse 功能描述:- Bulk
PT5045A 功能描述:DC/DC轉(zhuǎn)換器 9Vout 1.25A 5V-Input Step-Up 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:
PT5045C 功能描述:DC/DC轉(zhuǎn)換器 9Vout 1.25A 5V-Input Step-Up 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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