參數(shù)資料
型號(hào): LT1072
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述: 射頻放大器
文件頁(yè)數(shù): 7/17頁(yè)
文件大?。?/td> 354K
代理商: LT1072
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
Vref
f
Maximum output power
vs
Input voltage
1
Reference voltage
vs
Junction temperature
2
Switching frequency
vs
Junction temperature
2
Reference voltage change
vs
Input voltage
3
IFB
gm
gm
Feedback input current
vs
Junction temperature
4
Error amplifier transconductance
vs
Junction temperature
5
Error amplifier transconductance
vs
Frequency
6
Error amplifier phase shift
vs
Frequency
6
IC
VT(FB)
IFB
Vz
td
IO(SW)
Control current
vs
Control voltage
7
Normal/flyback mode threshold voltage
vs
Junction temperature
8
Feedback input current
vs
Junction temperature
8
Flyback reference voltage
vs
Junction temperature
9
Flyback sense delay time
vs
Junction temperature
10
Switch output current (with switch off)
vs
Switch voltage
11
Driver base current
vs
Switch output current
12
Vsat(SW)
IO(SW)
Switch saturation voltage
vs
Switch output current
13
Switch output current limit
vs
Duty cycle
14
Maximum duty cycle
vs
Junction temperature
15
IIN
IIN
VT(C)
IT(C)
VFB
Shutdown-mode input current
vs
Control voltage
16
Shutdown-mode input current
vs
Input voltage
17
Shutdown-mode control threshold voltage
vs
Junction temperature
18
Shutdown-mode control threshold current
vs
Junction temperature
18
Feedback input voltage at normal/flyback mode threshold
vs
Feedback input current
19
Minimum input voltage
vs
Junction temperature
20
IIN
IIN
Input current (SW output open)
vs
Junction temperature
21
Input current
vs
Input voltage
22
Table of Application Circuits
APPLICATION
FIGURE
Totally isolated converter
23
Boost converter (5 V to 12 V)
24
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1072C 制造商:Texas Instruments 功能描述:LT1072C
LT1072CN8 功能描述:IC REG MULTI CONFIG ADJ 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開(kāi)關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LT1072CN8#PBF 功能描述:IC REG MULTI CONFIG ADJ 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開(kāi)關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LT1072CN8PBF 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 3-60V PDIP8
LT1072CS8 功能描述:IC REG MULTI CONFIG ADJ 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V,1.5V,1.8V,2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤(pán) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤(pán)