參數(shù)資料
型號: LTC3809EMS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1 A SWITCHING CONTROLLER, 825 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 17/24頁
文件大?。?/td> 266K
代理商: LTC3809EMS
24
LTC3809
3809f
LINEAR TECHNOLOGY CORPORATION 2005
LT/TP 0405 500 PRINTED IN THE USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
TYPICAL APPLICATIO S
U
Synchronous DC/DC Converter with Spread Spectrum Modulation
CIN
22
F
VIN
3.3V
VOUT
2.5V
2A
MP
Si3447BDV
MN
Si3460DV
3809 TA04
2
1
4
3
9
8
10
7
5
11
L
1.5
H
15k
300k
187k
59k
L: VISHAY IHLP-2525CZ-01
470pF
2200pF 100pF
1000pF
COUT
22
F
SYNCH/MODE
VIN
PLLLPF
6
IPRG
ITH
VFB
TG
SW
BG
RUN
GND
LTC3809EDD
PART NUMBER
DESCRIPTION
COMMENTS
LTC1628/LTC3728
Dual High Efficiency, 2-Phase Synchronous
Constant Frequency, Standby, 5V and 3.3V LDOs, VIN to 36V,
Step Down Controllers
28-Lead SSOP
LTC1735
High Efficiency Synchronous Step-Down Controller
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V
≤ VIN ≤ 36V
LTC1773
Synchronous Step-Down Controller
2.65V
≤ VIN ≤ 8.5V, IOUT Up to 4A, 10-Lead MSOP
LTC1778
No RSENSE, Synchronous Step-Down Controller
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V
≤ VIN ≤ 36V
LTC3411
1.25A (IOUT), 4MHz, Synchronous Step-Down DC/DC Converter
95% Efficiency, VIN: 2.5V to 5.5V, VOUT ≥ 0.8V, IQ = 60A,
ISD = <1mA, MS Package
LTC3412
2.5A (IOUT), 4MHz, Synchronous Step-Down DC/DC Converter
95% Efficiency, VIN: 2.5V to 5.5V, VOUT ≥ 0.8V, IQ = 60A,
ISD = <1mA, TSSOP-16E Package
LTC3416
4A, 4MHz, Monolithic Synchronous Step-Down Regulator
Tracking Input to Provide Easy Supply Sequencing,
2.25V
≤ VIN ≤ 5.5V, 20-Lead TSSOP Package
LTC3418
8A, 4MHz, Synchronous Step-Down Regulator
Tracking Input to Provide Easy Supply Sequencing,
2.25V
≤ VIN ≤ 5.5V, QFN Package
LTC3708
2-Phase, No RSENSE, Dual Synchronous Controller with
Constant On-Time Dual Controller, VIN Up to 36V, Very Low
Output Tracking
Duty Cycle Operation, 5mm
× 5mm QFN Package
LTC3736
2-Phase, No RSENSE, Dual Synchronous Controller with
2.75V
≤ VIN ≤ 9.8V, 0.6V ≤ VOUT ≤ VIN, 4mm × 4mm QFN
Output Tracking
LTC3736-1
Low EMI 2-Phase, Dual Synchronous Controller with
Integrated Spread Spectrum for 20dB Lower “Noise,”
Output Tracking
2.75V
≤ VIN ≤ 9.8V
LTC3737
2-Phase, No RSENSE, Dual DC/DC Controller with Output Tracking 2.75V ≤ VIN ≤ 9.8V, 0.6V ≤ VOUT ≤ VIN, 4mm × 4mm QFN
LTC3772
Micropower No RSENSE Step-Down DC/DC Controller
2.75V
≤ VIN ≤ 9.8V, 3mm × 2mm DFN or 8-Lead SOT-23,
550kHz, IQ = 40A, Current Mode
LTC3776
Dual, 2-Phase, No RSENSE Synchronous Controller for
Provides VDDQ an VTT with One IC, 2.75V ≤ VIN ≤ 9.8V,
DDR/QDR Memory Termination
Adjustable Constant Frequency with PLL Up to 850kHz,
Spread Spectrum Operation, 4mm
× 4mm QFN and
24-Lead SSOP Packages
LTC3808
Low EMI, Synchronous Controller with Output Tracking
2.75V
≤ VIN ≤ 9.8V, 4mm × 3mm DFN, Spread Spectrum for
20dB Lower Peak Noise
PolyPhase is a trademark of Linear Technology Corporation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3809EMSE 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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)
LTC3809EMSE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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)
LTC3809EMSE#TR 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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)
LTC3809EMSE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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)
LTC3809EMSE-1 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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)