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参数资料
| 型号： | LTC3546EUFD |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28 |
| 封装： | 4 X 5 MM, PLASTIC, MO-220, QFN-28 |
| 文件页数： | 12/28页 |
| 文件大小： | 356K |
| 代理商： | LTC3546EUFD |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页当前第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
LTC3546
2
3546fb
ABSOLUTE MAXIMUM RATINGS
VIN1, VIN1D, VIN2, VCCA, VCCD Voltages......... –0.3V to 6V
SYNC/MODE, SW1, SW1D, SW2A, SW2B,
RUN1, RUN2, VFB1, VFB2, PHASE, FREQ,
ITH1, ITH2, TRACK/SS1, TRACK/SS2, BMC1,
BMC2 Voltages ................ –0.3V to (VIN1 or VIN2) + 0.3V
(Note 1)
9
10
TOP VIEW
UFD PACKAGE
28-LEAD (4mm
5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
BMC2
TRACK/SS2
VFB2
ITH2
VCCD
RUN2
VIN2
VIN1
BMC1
TRACK/SS1
VFB1
ITH1
PHASE
RUN1
PGND2
PGND1
PGOOD2
SYNC/MODE
V
CCA
GNDA
FREQ
PGOOD1
V
IN1D
SW2A
SW2B
SW1D
SW1
PGND1D
7
17
18
19
20
29
21
22
16
8
15
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 29) IS GNDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
FE PACKAGE
28-LEAD PLASTIC TSSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCCA
SYNC/MODE
PGOOD2
BMC2
TRACK/SS2
VFB2
ITH2
VCCD
RUN2
VIN2
VIN1
VIN1D
SW2A
SW2B
GNDA
FREQ
PGOOD1
BMC1
TRACK/SS1
VFB1
ITH1
PHASE
RUN1
PGND2
PGND1
PGND1D
SW1
SW1D
29
TJMAX = 125°C, θJA = 25°C/W
EXPOSED PAD (PIN 29) IS GNDD MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3546EUFD#PBF
LTC3546EUFD#TRPBF
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3546IUFD#PBF
LTC3546IUFD#TRPBF
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3546EFE#PBF
LTC3546EFE#TRPBF
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 85°C
LTC3546IFE#PBF
LTC3546IFE#TRPBF
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3546EUFD
LTC3546EUFD#TR
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3546IUFD
LTC3546IUFD#TR
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3546EFE
LTC3546EFE#TR
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 85°C
LTC3546IFE
LTC3546IFE#TR
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
Maximum Difference Between Any of
VIN1, VIN1D, VIN2, VCCA, VCCD ..................................0.3V
PGOOD1, PGOOD2 Voltage.......................... –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 6, 7)........................................ –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3546IUFD#TR | DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28 |
| LTC3546EFE | DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28 |
| LTC3546IFE#TRPBF | DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28 |
| LTC3546IFE#TR | DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28 |
| LTC3554EUD-2#TRPBF | 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3546EUFD#PBF | 功能描述:IC REG BUCK SYNC ADJ 1A/2A 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
| LTC3546EUFD#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 1A/2A 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LTC3546EUFDPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator |
| LTC3546EUFDTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator |
| LTC3546IFE#PBF | 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
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