- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄385501 > LT1622 (Linear Technology Corporation) Low Input Voltage Current Mode Step-Down DC/DC Controller(低輸入電壓，電流模式步降DC/DC控制器) PDF資料下載
參數(shù)資料
| 型號(hào)： | LT1622 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Input Voltage Current Mode Step-Down DC/DC Controller(低輸入電壓，電流模式步降DC/DC控制器) |
| 中文描述： | 低輸入電壓電流模式降壓DC / DC控制器（低輸入電壓，電流模式步降直流/直流控制器） |
| 文件頁(yè)數(shù)： | 16/16頁(yè) |
| 文件大?。?/td> | 223K |
| 代理商： | LT1622 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)當(dāng)前第16頁(yè)
16
LTC1622
1622f LT/TP 0100 4K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
TYPICAL APPLICATIO
N
U
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
RELATED PARTS
PART NUMBER
LTC1147 Series
LT1375/LT1376
LTC1436/LTC1436-PLL High Efficiency, Low Noise, Synchronous Step-Down Converters
LTC1438/LTC1439
Dual, Low Noise, Synchronous Step-Down Converters
LTC1474/LTC1475
Low Quiescent Current Step-Down DC/DC Converters
LTC1624
High Efficiency SO-8 N-Channel Switching Regulator Controller
LTC1626
Low Voltage, High Efficiency Step-Down DC/DC Converter
LTC1627/LTC1707
Low Voltage, Monolithic Synchronous Step-Down Regulator
LTC1628
Dual High Efficiency 2-Phase Step-Down Controller
LTC1772
SOT-23 Current Mode Step-Down Controller
LTC1735
High Efficiency, Low Noise Synchronous Switching Controller
DESCRIPTION
High Efficiency Step-Down Switching Regulator Controllers
1.5A, 500kHz Step-Down Switching Regulators
COMMENTS
100% DC, 3.5V
≤
V
IN
≤
16V, HV Version Has 20V
IN
High Frequency, Small Inductor, High Efficiency
24-Pin Narrow SSOP, 3.5V
≤
V
IN
≤
36V
Multiple Output Capability, 3.5V
≤
V
IN
≤
36V
Monolithic, MSOP, I
OUT
= 10
μ
A
8-Pin N-Channel Drive, 3.5V
≤
V
IN
≤
36V
Monolithic, Constant Off-Time, 2.5V
≤
V
IN
≤
6V
Low Supply Voltage Range: 2.65V to 8V, 0.5A
Antiphase Drive, 3.5V
≤
V
IN
≤
36V, Protection
6-Lead SOT-23, 2.5V
≤
V
IN
≤
9.8V, 550kHz
Burst Mode Operation, Protection, 3.5V
≤
V
IN
≤
36V
Small Footprint 3.3V/1A Regulator
1
2
3
4
8
7
6
5
SENSE
–
I
TH
V
FB
RUN/
SS
V
IN
PDRV
GND
SYNC/
MODE
D1
L1
2.2
μ
H
R2
0.025
M1
R3
232k
V
3.3V
1A
R1
10k
C3
220pF
C1: MURATA CERAMIC GRM235Y5V106Z
C2: SANYO POSCAP 6TPA47M
D1: MOTOROLA MBRS120LT3
V
3.3V TO
8.5V
R4
75k
1622 TA05
C4
560pF
C1
10
μ
F
16V
CERAMIC
LTC1622
+
C2
47
μ
F
6V
+
L1: COILCRAFT D01608C-222
M1: SILICONIX Si3443DY
R2: DALE WSL-2010 0.025
Efficiency vs Load Current
LOAD CURRENT (mA)
1
E
100
90
80
70
60
50
10
100
1000
1622 TA05b
V
OUT
= 3.3V
R
SENSE
= 0.025
V
IN
= 3.5V
V
IN
= 4.2V
V
IN
= 6V
Boost Converter 3.3V/2.5A
Efficiency vs Load Current With LTC1622
Configured as Boost Converter
D1
L1
4.6
μ
H
R3
105k
R2
0.015
V
3.3V
V
OUT
5V
2.5A
C2
220
μ
F
10V
×
2
R4
20k
1622 TA06a
C4
0.1
μ
F
C5
150pF
C1
100
μ
F
10V
Si6801DQ
M1
+
C6
0.1
μ
F
1
2
3
4
8
7
6
5
SENSE
–
I
TH
V
FB
V
IN
PDRV
GND
RUN/
SS
LTC1622
SYNC/
MODE
R1
33k
C3
470pF
C1, C2: SANYO POSCAP TPB SERIES
D1: MOTOROLA MBRD835L
L1: SUMIDA CEP123-4R6
+
M1: SILICONIX Si3442DV
R2: DALE WS-L2512 0.015
LOAD CURRENT (mA)
0.001
E
100
90
80
70
60
50
0.01
0.1
1
1622 TA06b
V
OUT
= 5V
R
SENSE
= 0.015
V
IN
= 3.3V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1632 | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1632CN8 | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1632CS8 | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1633 | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1633CS | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1624IS8 | 制造商:Linear Technology 功能描述: |
| LT-1625S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:T1/CEPT/ISDN-PRI TRANSFORMER |
| LT1627 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Low Dropout Regulators with Shutdown |
| LT1629 | 制造商:EDSYN 功能描述: |
| LT1630 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:30MHz, 10V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。