參數(shù)資料
型號(hào)： LT1424IS8-9
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： Isolated Flyback Switching Regulator with 9V Output
中文描述： 1.9 A SWITCHING REGULATOR, 320 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 141K
代理商： LT1424IS8-9
1
LT1424-5
Isolated Flyback
Switching Regulator
with 5V Output
I
No Transformer “Third Winding” or Optoisolator
Required
I
Designed for Use with 1:1 Ratio Transformers
I
Fixed, Application Specific 5V Output Voltage
I
Regulation Maintained Well into Discontinuous
Mode (Light Load)
I
Load Compensation Provides Excellent
Load Regulation
I
Available in 8-Pin PDIP and SO Packages
I
Operating Frequency: 285kHz
The LT
1424-5 is a monolithic high power switching
regulator specifically designed for the isolated flyback
topology. No “third winding” or optoisolator is required;
the integrated circuit senses the isolated output voltage
directly from the primary side flyback waveform. A high
current, high efficiency switch is included on the die along
with all oscillator, control and protection circuitry.
The LT1424-5 operates with input supply voltages from
3V to 20V and draws only 7mA quiescent current. It can
deliver up to 400mA at 5V with no external power devices.
By utilizing current mode switching techniques, it pro-
vides excellent AC and DC line regulation.
The LT1424-5 has a number of features not found on other
switching regulator ICs. Its unique control circuitry can
maintain regulation well into discontinuous mode. Load
compensation circuitry allows for improved load regula-
tion. An externally activated shutdown mode reduces total
supply current to 20
μ
A typical for standby operation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Isolated Communication Supplies
I
Industrial Automation
I
Instrumentation Systems
5V Output Isolated Power Supply
+
SHDN
V
C
LT1424-5
SYNC
SGND
8
7
1N5248
6
ISOLATION
BARRIER
T1
MBRS130LT3
7
3
1
47
47
1424-5 TA01
1.8k
MBR0540T4
6
5
0.1
μ
F
C1, C2: AVX TPS D107M010R0080
T1: DALE LPE-4841-A307
330pF
330pF
0.1
μ
F
C1
100
μ
F
10V
1000pF
1
2
5V
INPUT
COM
3
4
R
CCOMP
V
IN
V
SW
PGND
4
2
+
C2
100
μ
F
10V
5V
400mA
OUT
COM
OUTPUT CURRENT (mA)
0
O
4.75
5.00
5.25
100
200
1424-5 TA02
300
400
Load Regulation
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
相關(guān)PDF資料
PDF描述
LT1424-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1424-9 Isolated Flyback Switching Regulator with 9V Output
LT1424CS8-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1424CS8-9 Isolated Flyback Switching Regulator with 9V Output
LT1424IN8-9 Isolated Flyback Switching Regulator with 9V Output
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1424IS8-9#PBF 功能描述:IC REG FLYBACK ISOLATED 9V 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LT1424IS8-9#TR 功能描述:IC REG FLYBACK ISOLATED 9V 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LT1424IS8-9#TRPBF 功能描述:IC REG FLYBACK ISOLATED 9V 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LT1425 制造商:LINER 制造商全稱:Linear Technology 功能描述:Isolated Flyback Switching Regulator
LT1425CS 功能描述:IC REG FLYBK ISOLATED .2A 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(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 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
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