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参数资料
| 型号： | LT3508IUF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.4A DL 24QFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 35.3 V |
| 输入电压： | 3.7 V ~ 36 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 920kHz ~ 1.06MHz |
| 电流 - 输出： | 1.4A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
LT3508
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 7)
V IN Pin Voltage............................................(–0.3V), 40V
BOOST Pin Voltage ...................................................60V
BOOST Above SW Voltage ........................................30V
SHDN , PG Voltage.....................................................40V
TRACK/SS, FB, RT/SYNC, V C Voltage..........................6V
Storage Temperature Range
QFN.................................................... –65°C to 150°C
TSSOP ............................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
Operating Junction Temperature Range (Note 2)
LT3508E ............................................. –40°C to 125°C
LT3508I .............................................. –40°C to 125°C
LT3508H ............................................ –40°C to 150°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
TRACK/SS1
1
16 FB1
24 23 22 21 20 19
BOOST1
SW1
2
3
15 V C1
14 PG1
FB1 1
TRACK/SS1 2
18 FB2
17 TRACK/SS2
V IN1
V IN2
SW2
BOOST2
4
5
6
7
17
GND
13 RT/SYNC
12 SHDN
11 PG2
10 V C2
GND 3
GND 4
GND 5
GND 6
25
GND
16 GND
15 GND
14 GND
13 GND
TRACK/SS2
8
9
FB2
7
8
9 10 11 12
FE PACKAGE
16-LEAD PLASTIC TSSOP
θ JA = 40°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 17) IS GND AND MUST BE SOLDERED TO PCB
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
θ JA = 40°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 25) IS GND AND MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3508EFE#PBF
LT3508IFE#PBF
LT3508HFE#PBF
LT3508EUF#PBF
LT3508IUF#PBF
LT3508HUF#PBF
TAPE AND REEL
LT3508EFE#TRPBF
LT3508IFE#TRPBF
LT3508HFE#TRPBF
LT3508EUF#TRPBF
LT3508IUF#TRPBF
LT3508HUF#TRPBF
PART MARKING*
3508FE
3508FE
3508HFE
3508
3508
3508H
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
24-Lead (4mm × 4mm) Plastic QFN
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 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.*Temperature grades are identi?ed by a label on the shipping container.
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/
3508fd
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3509 | 制造商:LINER 制造商全称:Linear Technology 功能描述:36V 500mA Step-Down Regulator and 200mA LDO |
| LT3509EDE#PBF | 功能描述:IC REG BUCK ADJ 0.7A DL 14DFN 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3509EDE#TRPBF | 功能描述:IC REG BUCK ADJ 0.7A DL 14DFN 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 |
| LT3509EDEPBF | 制造商:Linear Technology 功能描述:Sw. Regulator Dual 700mA 3.6-36V DFN14EP |
| LT3509EDE-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 36V, 700mA Step-Down Regulator |
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