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参数资料
| 型号： | LT1247IS8 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 2/2页 |
| 文件大小： | 141K |
| 代理商： | LT1247IS8 |
Power Factor Correction and
Off-Line Converter Products – InfoCard 6
1992 LT/GP 0496 10K
LT1248/LT1249 Power Factor Controllers
Applications
s
Universal Power Factor Corrected Power Supplies
s
Preregulators
1
2
3
4
5
6
7
8
TOP VIEW
N PACKAGE
16-LEAD PLASTIC DIP
16
15
14
13
12
11
10
9
GND
PKLIM
CAOUT
ISENSE
MOUT
IAC
VAOUT
OVP
GTDR
VCC
CSET
SS
RSET
VSENSE
EN/SYNC
VREF
S PACKAGE
16-LEAD NARROW PLASTIC SOIC
LT1248CN
LT1248IN
LT1248CS
LT1248IS
1
2
3
4
8
7
6
5
TOP VIEW
GND
CAOUT
MOUT
IAC
GTDR
VCC
VSENSE
VAOUT
N8 PACKAGE
8-LEAD PLASTIC DIP
LT1249CN8
LT1249IN8
LT1249CS8
LT1249IS8
S8 PACKAGE
8-LEAD PLASTIC SOIC
Features
s
High Power Factor Over Wide Load Range
with Line Current Averaging
s
International Operation Without Switches
s
Instantaneous Overvoltage Protection
s
Minimal Line Switching Noise
s
Typical 250
A Start-Up Supply Current
s
Rejects Line Switching Noise
s
Synchronization Capability
s
Low Quiescent Current: 9mA
s
Fast 1.5A Peak Current Gate Driver
s
8-Lead Surface Mount Package: LT1249
LT1105/LT1103 Simplified Off-Line Switcher
LT1103 Minimum Parts Count Isolated Off-Line Converter
No Opto-Isolators!
LT1103
APPLICATION
LT1105
(INTERNAL SENSE RESISTOR)
Universal Off-Line
10W to Over 100W
10W to 50W
Battery Charger, Isolated Off-Line
OK
Telecom, – 48V Input Isolated
OK
Low Voltage Isolated DC/DC (
≤24V)
Requires External MOSFET
Needs No MOSFET
High Voltage Isolated DC/DC
OK
Linear Technology Corporation 1630 McCarthy Blvd. Milpitas, CA 95035-7417 (408) 432-1900 www.linear-tech.com Literature Only: 1-800-4-LINEAR
220k
1W
+
330
0.1
F
499
39
F
25V
1000pF
100
1N4148
16.2k
1%
5.36k
1%
BUK426-800A
MBR2045
10
H
5V
10A
50V
470
F
35V
3600
F
WINDINGS FOR
OPTIONAL
±12VDC OUTPUTS
10
1
F
25V
220
F
385V
BAV21
390pF
1.5KE300A
5W
MUR150
BRIDGE
RECTIFIER
+
LINE
FILTER
85 - 270VAC
+
–
+
TRANSFORMER DATA:
COILTRONICS - CTX110228-3
L(PRI) = 1.6mH
NPRI:NSEC = 1:0.05
NBIAS:NSEC = 1:0.27
0.047
F
LT1103 TA01
*OUTPUT CAPACITOR IS THREE 1200
F,
50V CAPACITORS IN PARALLEL TO
ACHIEVE REQUIRED RIPPLE CURRENT
RATING AND LOW ESR.
OPTIONAL OUTPUT FILTER
VIN
VSW
VC
FB
GND
OSC
15V
LT1103
DANGER!!
HIGH
VOLTAGE!!
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1248 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power Factor Controller |
| LT1248C | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power Factor Controller |
| LT1248CN | 功能描述:IC PFC CTRLR AVERAGE CURR 16DIP RoHS:否 类别:集成电路 (IC) >> PMIC - PFC（功率因数修正） 系列:- 产品培训模块:GreenChip Synchronous Rectification Control Family of ICs 标准包装:1 系列:- 模式:间歇导电（DCM） 频率 - 开关:- 电流 - 启动:- 电源电压:8.6 V ~ 38 V 工作温度:-20°C ~ 150°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SO 包装:Digi-Reel® 其它名称:568-5348-6 |
| LT1248CN#PBF | 功能描述:IC PFC CTRLR AVERAGE CURR 16DIP RoHS:是 类别:集成电路 (IC) >> PMIC - PFC（功率因数修正） 系列:- 产品培训模块:GreenChip Synchronous Rectification Control Family of ICs 标准包装:1 系列:- 模式:间歇导电（DCM） 频率 - 开关:- 电流 - 启动:- 电源电压:8.6 V ~ 38 V 工作温度:-20°C ~ 150°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SO 包装:Digi-Reel® 其它名称:568-5348-6 |
| LT1248CN#PBF | 制造商:Linear Technology 功能描述:IC PFC CURRENT MODE 25V DI 制造商:Linear Technology 功能描述:IC, PFC, CURRENT MODE, 25V, DIP-16 |
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