参数资料
型号: LTC3811EUHF#TRPBF
厂商: Linear Technology
文件页数: 2/48页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 38-QFN
标准包装: 2,500
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 850kHz
占空比: 90%
电源电压: 4.5 V ~ 30 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: 38-WFQFN 裸露焊盘
包装: 带卷 (TR)
LTC3811
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V IN ) ......................... –0.3V to 30V
Topside Driver Voltages
(BOOST1, BOOST2) ............................... –0.3V to 37V
Switch Voltage (SW1, SW2) ......................... –5V to 30V
BOOST1 – SW1, BOOST2 – SW2 ................. –0.3V to 7V
DRV CC , INTV CC , EXTV CC , RUN1, RUN2, DIFF/IN + ,
DIFF/IN – , PHASEMODE, PGOOD1, PGOOD2,
MODE/SYNC Voltages .................................. –0.3V to 7V
FB1, FB2, RNG1, RNG2, SS/TRACK1, SS/TRACK2,
PLL/LPF, SENSE1 + , SENSE1 – , SENSE2 + ,
SENSE2 – Voltages................................. –0.3V to INTV CC
DRV CC LDO RMS Output Current .........................100mA
OperatingTemperature Range (Note 2)..... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP Package .................................................. 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
PGOOD1
RUN1
1
2
36 PGOOD2
35 PLL/LPF
38 37 36 35 34 33 32
RUN2
3
34 MODE/SYNC
SENSE1 + 1
SENSE1– 2
SS/TRACK1 3
COMP1 4
FB1 5
31 BOOST1
30 TG1
29 SW1
28 BG1
27 EXTV CC
SENSE1 +
SENSE1 –
SS/TRACK1
COMP1
FB1
4
5
6
7
8
33 BOOST1
32 TG1
31 SW1
30 BG1
29 EXTV CC
SENSE2 11
SENSE2 12
SGND   6
INTV CC 7
FB2 8
COMP2 9
SS/TRACK2 10
+
39
13 14 15 16 17 18 19
26 PGND
25 DRV CC
24 V IN
23 BG2
22 SW2
21 TG2
20 BOOST2
SGND 9
INTV CC 10
FB2 11
COMP2 12
SS/TRACK2 13
SENSE2 – 14
SENSE2 + 15
28 PGND
27 DRV CC
26 V IN
25 BG2
24 SW2
23 TG2
22 BOOST2
UHF PACKAGE
DIFF/OUT 16
DIFF/IN – 17
DIFF/IN + 18
21 CLKOUT
20 RNG2
19 RNG1
38-LEAD (5mm × 7mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 34°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
G PACKAGE
36-LEAD PLASTIC SSOP WIDE
T JMAX = 125°C, θ JA = 100°C/W
LEAD FREE FINISH
LTC3811EUHF#PBF
LTC3811EG#PBF
TAPE AND REEL
LTC3811EUHF#TRPBF
LTC3811EG#TRPBF
PART MARKING
3811
LTC3811EG
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) Plastic QFN
36-Lead Plastic SSOP Wide
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
3811f
2
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LTC3812EFE5#PBF 制造商:Linear Technology 功能描述:
LTC3812EFE-5#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP 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
LTC3812EFE-5#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP 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)
LTC3812IFE-5#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP 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)
LTC3812IFE-5#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP 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)