參數(shù)資料
型號(hào)： A8439
廠商： Allegro MicroSystems, Inc.
英文描述： Photoflash Capacitor Charger with IGBT Driver and Refresh
中文描述： 照相閃光燈電容充電器與IGBT驅(qū)動(dòng)器和刷新
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 537K
代理商： A8439
A8439-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Photoflash Capacitor Charger with IGBT Driver
A8439
2
Functional Block Diagram
VIN
VIN
SW
CHARGE
GND
CMP2
DONE
FB
Q
I
LIM
Decoder
Adjustable
Reference
IGBTDRV
TRIGGER
1.2 V
40 V
DMOS
Q
Q
SET
CLR
S
R
CMP3
CMP1
1.2 V
I
LIM
Comparator
CoDCM
H
→
L
Triggered Timer
Control Logic
Enable
18 μs
Terminal List Table
Number
1,10
Ab so ute Max mum Rat ngs
Input or Output Voltage
SW pin, V
SW
............................................................
–0.3 to 40 V
IGBTDRV pin, V
IGBTDRV
..............................
–0.3 to V
IN
+ 0.3 V
FB pin, V
FB
...............................................................
–0.3 to V
IN
All other pins, V
x
......................................................
–0.3 to 7 V
Operating Ambient Temperature, T
A
................................
–40°C to 85°C
Maximum Junction Temperature, T
J(max)
........................................
150°C
Storage Temperature, T
S
..............................................
–55°C to 150°C
10
9
8
7
6
NC
FB
DONE
TRIGGER
SW
1
2
3
4
5
NC
IGBTDRV
VIN
GND
CHARGE
Device Pin-out Diagram
R
θ
JA
= 45 °C/W, on a 4-layer board. Additional information is
available on the Allegro Web site.
Package Thermal Characteristics
Name
NC
Function
No connection
2
IGBTDRV
IGBT driver gate drive output
3
VIN
Power supply input
4
GND
Device ground
5
CHARGE
Charging enable and ISWLIM code
input; set to low to power-off the A8439
6
SW
Switch, internally connected to the
DMOS power FET drain
7
TRIGGER Strobe signal input
8
ˉD ˉO ˉN ˉˉ
Open drain, when pulled low by internal
MOSFET, indicates that charging target
level has been reached
9
FB
Output voltage feedback
相關(guān)PDF資料
PDF描述
A8439EEJTR-T Photoflash Capacitor Charger with IGBT Driver and Refresh
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
A8439EEJTR-T 功能描述:IC CHARGER PHOTO FLASH 10-MLP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
A843DSC 制造商:Pentair Technical Products / Hoffman 功能描述:Enclosure, Junction Box, 8.00x4.00x2.75in, Flat Cover, NEMA 4, Mild Steel 制造商:Pentair Technical Products / Hoffman 功能描述:ENCLOSURE JUNCTION BOX STEEL GRAY 制造商:Pentair Technical Products / Hoffman 功能描述:ENCLOSURE, JUNCTION BOX, STEEL, GRAY 制造商:Hoffman Enclosures 功能描述:SCREW COVER DSC ENCLOSURE8 X 4 X 2.75 制造商:Pentair Technical Products / Hoffman 功能描述:ENCLOSURE, JUNCTION BOX, STEEL, GRAY, Enclosure Type:Junction Box, Enclosure Mat 制造商:Pentair Technical Products / Hoffman 功能描述:ENCLOSURE, JUNCTION BOX, STEEL, GRAY, Enclosure Type:Junction Box, Enclosure Material:Steel, Body Color:Grey, External Height - Imperial:8", External Height - Metric:203mm, External Width - Imperial:4", External Width - Metric:102mm , RoHS Compliant: Yes
A844 制造商:TE Connectivity 功能描述:- Bulk
A8447 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Voltage Step Down Regulator
A8447SLJ-T 制造商:Allegro MicroSystems LLC 功能描述:HIGH VOLTAGE STEP DOWN REGULATOR
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