參數(shù)資料
型號: LT1072CP
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.25 A SWITCHING REGULATOR, 47 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 17/19頁
文件大?。?/td> 294K
代理商: LT1072CP
LT1072, LT1072HV
1.25-A HIGH-EFFICIENCY SWITCHING REGULATORS
SLVS071A – NOVEMBER 1989 – REVISED AUGUST 1995
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
POM
Maximum output power
vs
Input voltage
1
Vref
Reference voltage
vs
Junction temperature
2
f
Switching frequency
vs
Junction temperature
2
Reference voltage change
vs
Input voltage
3
IFB
Feedback input current
vs
Junction temperature
4
gm
Error amplifier transconductance
vs
Junction temperature
5
gm
Error amplifier transconductance
vs
Frequency
6
Error amplifier phase shift
vs
Frequency
6
IC
Control current
vs
Control voltage
7
VT(FB)
Normal/flyback mode threshold voltage
vs
Junction temperature
8
IFB
Feedback input current
vs
Junction temperature
8
Vz
Flyback reference voltage
vs
Junction temperature
9
td
Flyback sense delay time
vs
Junction temperature
10
IO(SW)
Switch output current (with switch off)
vs
Switch voltage
11
Driver base current
vs
Switch output current
12
Vsat(SW)
Switch saturation voltage
vs
Switch output current
13
IO(SW)
Switch output current limit
vs
Duty cycle
14
Maximum duty cycle
vs
Junction temperature
15
IIN
Shutdown-mode input current
vs
Control voltage
16
IIN
Shutdown-mode input current
vs
Input voltage
17
VT(C)
Shutdown-mode control threshold voltage
vs
Junction temperature
18
IT(C)
Shutdown-mode control threshold current
vs
Junction temperature
18
VFB
Feedback input voltage at normal/flyback mode threshold
vs
Feedback input current
19
Minimum input voltage
vs
Junction temperature
20
IIN
Input current (SW output open)
vs
Junction temperature
21
IIN
Input current
vs
Input voltage
22
Table of Application Circuits
APPLICATION
FIGURE
Totally isolated converter
23
Boost converter (5 V to 12 V)
24
相關(guān)PDF資料
PDF描述
LT1072MK/883 1.25 A SWITCHING REGULATOR, 40 kHz SWITCHING FREQ-MAX, MBFM2
5962-9082506MYA 3.5 A SWITCHING REGULATOR, 47 kHz SWITCHING FREQ-MAX, MBFM4
5962-9082503MYX 1.25 A SWITCHING REGULATOR, 40 kHz SWITCHING FREQ-MAX, MBFM2
5962-9082503MYA 3.5 A SWITCHING REGULATOR, 47 kHz SWITCHING FREQ-MAX, MBFM4
5962-9082506MYX 1.25 A SWITCHING REGULATOR, 40 kHz SWITCHING FREQ-MAX, MBFM2
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LT1072CS8PBF 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 3-60V SOIC8