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參數(shù)資料
| 型號： | LTC1504 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關穩(wěn)壓器 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 249K |
| 代理商： | LTC1504 |
12
LTC1504
LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
G
(408) 432-1900
FAX: (408) 434-0507
G
TELEX: 499-3977
G
www.linear-tech.com
APPLICATIO
S I
FOR
ATIO
U
tance in series with the external inductor, slightly raising
its value. The SW trace need only be wide enough to
support the maximum peak current under short circuit
conditions—perhaps 1A. If a trace needs to be compro-
mised to make the layout work, this is the one. Note that
long traces at the SW node may aggravate EMI consider-
ations—don’t get carried away. If a Schottky diode is used
at the SW node, it should be located at the LTC1504 end
of the trace, close to the device pins.
The LTC Applications Department has constructed liter-
ally hundreds of layouts for the LTC1504 and related
W
U
U
parts, many of which worked and some of which are now
archived in the Bad Layout Hall of Fame. If you need layout
assistance or you think you have a candidate layout for the
Hall of Fame, give Applications a call at (408) 954-8400.
Demo boards with properly designed layouts are available
and specialized layouts can be designed if required. The
applications team is also experienced in external compo-
nent selection for a wide variety of applications, and they
have a never-ending selection of tall tales to tell as well.
When in doubt, give them a call.
1504i LT/TP 0897 4K PRINTED IN USA
TYPICAL APPLICATIO
N
S
High Efficiency 5V to 2.5V Converter with Current Limit
SCSI-2 Active Terminator
I
MAX
V
CC
SHDN
SS
COMP
GND
SW
FB
+
1
μ
F
0.1
μ
F
R
IMAX
*
C
IN
V
CC
5V
SHDN
7.5k
0.01
μ
F
220pF
11.8k
12.1k
MBRS0530L
+
C
OUT
V
2.5V
L
EXT
C
IN
: AVX TPSE107M016R0125
C
OUT
: SANYO 16CV220GX
L
: COILCRAFT DO3316-473
*SELECT R
IMAX
VALUE USING CURRENT LIMIT THRESHOLD GRAPH ON PAGE 3
1504 TA03
LTC1504
I
MAX
SHDN
V
CC
LTC1504
SS
COMP
GND
SW
FB
4.7
μ
F
CERAMIC
TERMPWR
7.5k
0.01
μ
F
220pF
15k
12k
+
C
OUT
L
EXT
C
OUT
: AVX TPSC107M006R0150
L
EXT
: SUMIDA CD54-470
1504 TA04
NC
NC
110
110
110
110
110
18
TO
27
LINES
PART NUMBER
LTC1174
LT
1307
LT1372
LT1376
LTC1433/LTC1434
LT1507
DESCRIPTION
600mA, High Efficiency Step-Down Converter
Single Cell 600kHz DC/DC Converter
1.5A, 500kHz Step-Up Switching Regulator
1.5A, 500kHz Step-Down Switching Regulator
450mA, Low Noise Current Mode Step-Down Converters
1.5A, 500kHz Monolithic Buck Regulator
COMMENTS
Nonsynchronous, Better Low Load Efficiency
Boost Mode, Micropower
Boost Mode, High Power
Nonsynchronous, 1.5A Max Current
Nonsynchronous, Better Low Load Efficiency
Nonsynchronous, 1.5A Max Current
RELATED PARTS
相關PDF資料 |
PDF描述 |
|---|---|
| LTC1504CS8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LTC1504CS8-3.3 | Quadruple 2-Input Exclusive-OR Gates 14-SOIC 0 to 70 |
| LTC1505 | Constant-Current/Voltage High Efficiency Battery Charger(恒定電流/電壓,高效率電池電荷控制器) |
| LTC1514-3.3 | Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator(3.3V輸出,步升/步降開關電容DC/DC變換器（帶低電池比較器）) |
| LTC1514-5 | Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1504ACS8 | 功能描述:IC REG BUCK SYNC ADJ 0.5A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝: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 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 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) 供應商設備封裝:8-SOIC |
| LTC1504ACS8#PBF | 功能描述:IC REG BUCK SYNC ADJ 0.5A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝: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 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 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) 供應商設備封裝:8-SOIC |
| LTC1504ACS8#TR | 功能描述:IC REG BUCK SYNC ADJ 0.5A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝: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 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 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) 供應商設備封裝:8-SOIC |
| LTC1504ACS8#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 0.5A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝: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 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 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) 供應商設備封裝:8-SOIC |
| LTC1504ACS8-3.3 | 功能描述:IC REG BUCK SYNC 3.3V 0.5A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝: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 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 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) 供應商設備封裝:8-SOIC |
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