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參數(shù)資料
| 型號： | LTC3803IS6-3 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 165K |
| 代理商： | LTC3803IS6-3 |
16
LTC3803-3
38033fa
LINEAR TECHNOLOGY CORPORATION 2006
LT 0407 PRINTED IN THE USA
PART NUMBER
DESCRIPTION
COMMENTS
LT
1425
Isolated Flyback Switching Regulator
No Optoisolator or “Third Winding” Required, Up to 6W Output
with No External Power Devices
LT1725
General Purpose Isolated Flyback Controller
No Optoisolator Required, VIN and VOUT Limited Only by External
Power Components
LTC1871
Wide Input Range, No RSENSE
TM Current Mode
Adjustable Switching Frequency, Programmable Undervoltage
Flyback, Boost and SEPIC Controller
Lockout, Optional Burst Mode
Operation at Light Load
LT1950
Current Mode PWM Controller
Controller for Forward Converters from 30W to 300W
LT3420
Photoflash Capacitor Charger with Automatic Refresh
Specialized Flyback Charges High Voltage Photoflash Capacitors
Quickly and Efficiently
LT3468/LT3468-1
Photoflash Capacitor Charger in 5-Pin SOT-23
Minimal Component Count, Uses Small Transformers;
VIN from 2.5V to 16V
LTC3803
Constant Frequency Flyback Controller
200kHz Switching Frequency, Low Profile (1mm) ThinSOT Package
LTC3803-5
Constant Frequency Flyback Controller
200kHz Switching Frequency, 4.8V Turn-On Voltage
LTC3806
Synchronous Flyback Controller
High Efficiency (89%); Multiple Output with
Excellent Cross Regulation
Burst Mode is a registered trademark of Linear Technology Corporation. No RSENSE is a trademark of Linear Technology Corporation.
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
TYPICAL APPLICATIO S
U
ITH/RUN
LTC3803-3
GND
GATE
SENSE
VOUT*
3.3V
1.5A
38033 TA04a
D1
CIN
33k
Q1
Q2
T1: PULSE ENGINEERING PA1006
Q1: FAIRCHILD FDC2512
Q2: VISHAY Si9803
D1: PHILIPS BAS516
CIN: TDK 1μF, 100V, X5R
CO: TDK 100μF, 6.3V, X5R
RCS: VISHAY OR IRC, 80mΩ
*FOR 5V OUTPUT CHANGE RFB TO 42.2k
T1
0.1
μF
1n
8.06k
25.5k*
RFB
VOUT
VCC
VIN
36V TO 72V
VFB = 0.8V
220k
10
μF
10V
560
Ω
4.7k
CO
RCS
1
2
3
6
5
4
LOAD CURRENT (mA)
500
70
EFFICIENCY
(%)
75
80
85
90
100
750
1000
1250
1500
38083 TA04b
1750
2000
95
VIN = 36V
VIN = 48V
VIN = 60V
VIN = 72V
VOUT = 3.3V
LOAD CURRENT (mA)
500
70
EFFICIENCY
(%)
75
80
85
90
100
750
1000
1250
1500
38083 TA04c
1750
2000
95
VIN = 36V
VIN = 48V
VIN = 60V
VIN = 72V
VOUT = 5V*
90% Efficient Synchronous Flyback Converter
Efficiency vs Load
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| LTC3827IG-1#TR | 3 A DUAL SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO28 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3803IS6-3#PBF | 制造商:Linear Technology 功能描述:Bulk |
| LTC3803IS6-3#TRMPBF | 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LTC3803IS6-3#TRPBF | 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LTC3803IS6-5#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Sync Flyback 5V Input 6-Pin TSOT-23 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Sync Flyback 5V Input 6-Pin TSOT-23 Bulk |
| LTC3803IS6-5#TRMPBF | 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
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