参数资料
型号: LTC3808EDE#PBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 14-DFN
标准包装: 91
PWM 型: 电流模式
输出数: 1
频率 - 最大: 825kHz
占空比: 100%
电源电压: 2.75 V ~ 9.8 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 14-WFDFN 裸露焊盘
包装: 管件
LTC3808
TYPICAL APPLICATIO S
550kHz, Pulse-Skipping Mode, Synchronous DC/DC Converter with Ceramic Output Capacitor
V IN
R VIN
10 ?
C VIN
C IN
22 μ F
3.3V
1
PLLLPF
V IN
12
1 μ F
LTC3808EDE
8
IPRG
SENSE +
11
1.5 μ H
C ITH
470pF R ITH
22k
187k
4
3
6
2
5
PGOOD
TRACK/SS
I TH
SYNC/MODE
V FB
GND
TG
SENSE –
SW
BG
RUN
10
13
14
9
7
MP
Si3447BDV
MN
Si3460DV
L
C OUT
V OUT
2.5V
2A
59k
15
22 μ F
2x
L: VISHAY IHLP-2525CZ-01
3808 TA04
RELATED PARTS
PART NUMBER
LTC1628/LTC3728
LTC1735
LTC1772
LTC1773
LTC1778
LTC1872
LTC3411
LTC3412
LTC3416
LTC3701
LTC3708
LTC3736
LTC3736-1
DESCRIPTION
Dual High Efficiency, 2-Phase Synchronous
Step Down Controllers
High Efficiency Synchronous Step-Down Controller
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R SENSE , Synchronous Step-Down Controller
Constant Frequency Current Mode Step-Up Controller
1.25A (I OUT ), 4MHz, Synchronous Step-Down DC/DC Converter
2.5A (I OUT ), 4MHz, Synchronous Step-Down DC/DC Converter
4A, 4MHz, Monolithic Synchronous Step-Down Regulator
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
2-Phase, No R SENSE , Dual Synchronous Controller with
Output Tracking
2-Phase, No R SENSE , Dual Synchronous Controller with
Output Tracking
Low EMI 2-Phase, Dual Synchronous Controller with
Output Tracking
COMMENTS
Constant Frequency, Standby, 5V and 3.3V LDOs, V IN to 36V,
28-Lead SSOP
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V ≤ V IN ≤ 36V
2.5V ≤ V IN ≤ 9.8V, I OUT Up to 4A, SOT-23 Package, 550kHz
2.65V ≤ V IN ≤ 8.5V, I OUT Up to 4A, 10-Lead MSOP
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V IN ≤ 36V
2.5V ≤ V IN ≤ 9.8V, SOT-23 Package, 550kHz
95% Efficiency, V IN : 2.5V to 5.5V, V OUT = 0.8V, I Q = 60mA,
I SD = <1mA, MS Package
95% Efficiency, V IN : 2.5V to 5.5V, V OUT = 0.8V, I Q = 60mA,
I SD = <1mA, TSSOP-16E Package
Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V IN ≤ 5.5V, 20-Lead TSSOP Package
2.5V ≤ V IN ≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
Constant On-Time Dual Controller, V IN Up to 36V, Very Low
Duty Cycle Operation, 5mm × 5mm QFN Package
2.75V ≤ V IN ≤ 9.8V, 0.6V ≤ V OUT ≤ V IN , 4mm × 4mm QFN
Integrated Spread Spectrum for 20dB Lower EMI,
2.75V ≤ V IN ≤ 9.8V
LTC3737
2-Phase, No R SENSE , Dual DC/DC Controller with Output Tracking 2.75V ≤ V IN ≤ 9.8V, 0.6V ≤ V OUT ≤ V IN , 4mm × 4mm QFN
PolyPhase is a trademark of Linear Technology Corporation.
3808f
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT/TP 0305 500 ? PRINTED IN THE USA
? LINEAR TECHNOLOGY CORPORATION 2005
相关PDF资料
PDF描述
UCA2G220MHD6TN CAP ALUM 22UF 400V 20% RADIAL
ESC28DREH-S13 CONN EDGECARD 56POS .100 EXTEND
LTC690IS8#TR IC SUPERVISORY CIRCUIT MPU 8SOIC
LTC1778EGN-1 IC REG CTRLR BUCK PWM CM 16-SSOP
LTC1778EGN#PBF IC REG CTRLR BUCK PWM CM 16-SSOP
相关代理商/技术参数
参数描述
LTC3808EGN#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC3808EGN#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC3809EDD 功能描述:IC REG CTRLR BUCK PWM CM 10-DFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC3809EDD#PBF 功能描述:IC REG CTRLR BUCK PWM CM 10-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
LTC3809EDD#TR 功能描述:IC REG CTRLR BUCK PWM CM 10-DFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)