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参数资料
| 型号： | LTC3521EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST SYNC ADJ 20TSSOP |
| 标准包装： | 74 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 3 |
| 输出电压： | 0.6 V ~ 5.5 V，1.8 V ~ 5.25 V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.1MHz |
| 电流 - 输出： | 600mA，1A |
| 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： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 20-TSSOP-EP |
LTC3521
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PV IN1 , PV IN2 , V IN Voltage ............................. –0.3V to 6V
SW1A, SW1B, SW2, SW3 Voltage
DC............................................................ –0.3V to 6V
Pulsed < 100ns ............................................–1V to 7V
PIN CONFIGURATION
TOP VIEW
Voltage, All Other Pins ................................. –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 5) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
TOP VIEW
FB3
1
20 PV IN2
FB2
2
19 SW2
24 23 22 21 20 19
SHDN2
PGOOD3
3
4
18 PGND2
17 SW3
SHDN2 1
PGOOD3 2
18 PGND2
17 SW3
PGOOD2
PGOOD1
V IN
GND
PWM
5
6
7
8
9
21
PGND1A
16 V OUT1
15 SW1A
14 SW1B
13 PV IN1
12 SHDN1
PGOOD2 3
PGOOD1 4
V IN 5
GND 6
7
8
25
PGND1A
9 10 11 12
16 V OUT1
15 SW1A
14 SW1B
13 NC
FB1 10
11 SHDN3
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 150°C, θ JA = 40°C/W (NOTE 4)
UNDERSIDE METAL INTERNALLY CONNECTED TO V – (PCB CONNECTION OPTIONAL)
EXPOSED PAD (PIN 21) IS PGND1A AND MUST BE SOLDERED TO PCB GROUND
ORDER INFORMATION
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 37°C/W
EXPOSED PAD (PIN 25) IS PGND1A AND MUST BE SOLDERED TO PCB GROUND
LEAD FREE FINISH
LTC3521EFE#PBF
LTC3521IFE#PBF
LTC3521EUF#PBF
LTC3521IUF#PBF
TAPE AND REEL
LTC3521EFE#TRPBF
LTC3521IFE#TRPBF
LTC3521EUF#TRPBF
LTC3521IUF#TRPBF
PART MARKING*
LTC3521FE
LTC3521FE
3521
3521
PACKAGE DESCRIPTION
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified 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 specifications, go to: http://www.linear.com/tapeandreel/
2
For more information www.linear.com/LTC3521
3521fb
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3521EFE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
| LTC3521EUF#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 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:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LTC3521EUF#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 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:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LTC3521EUF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
| LTC3521EUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
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