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参数资料
| 型号： | LT3640EUFD#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3.4 A DUAL SWITCHING CONTROLLER, 2350 kHz SWITCHING FREQ-MAX, PQCC28 |
| 封装： | 5 X 4 MM, LEAD FREE, PLASTIC, MO-220, QFN-28 |
| 文件页数： | 12/24页 |
| 文件大小： | 506K |
| 代理商： | LT3640EUFD#PBF |
LT3640
3640f
absoluTe MaxiMuM raTings
VIN, EN/UVLO Voltage (Note 7).................................55V
WDE Voltage.............................................................30V
BST Above SW, SW1 Voltage ....................... –0.3V to 6V
SW1 Above SW Voltage............................... –0.3V to 6V
VIN2, SYNC, EN2, PGOOD, WDI,
WDO, RST1, RST2, Voltages ....................... –0.3V to 6V
SS1, SS2, FB1, FB2, RT, CWDT,
CPOR Voltages……….............................. –0.3V to 2.5V
(Note 1)
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
FB2
PGOOD
EN/UVLO
SYNC
SS1
FB1
RT
RST2
RST1
WDO
CWDT
CPOR
WDE
WDI
SS2
EN2
GND
SW2
VIN2
GND
VIN
BST
SW
SW1
DA
NC
GND
29
GND
θJA = 30°C/W, θJC = 8°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
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
SYNC
SS1
FB1
RT
RST2
RST1
WDO
CWDT
SW2
VIN2
GND
VIN
BST
SW
SW1
DA
EN/UVLO
PGOOD
FB2
SS2
EN2
GND
CPOR
WDE
WDI
GND
NC
7
17
18
19
20
21
22
16
8
15
29
GND
θJA = 34°C/W, θJC = 2.7°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3640EFE#PBF
LT3640EFE#TRPBF
LT3640FE
28-Lead Plastic TSSOP
–40°C to 125°C
LT3640IFE#PBF
LT3640IFE#TRPBF
LT3640FE
28-Lead Plastic TSSOP
–40°C to 125°C
LT3640EUFD#PBF
LT3640EUFD#TRPBF
3640
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3640IUFD#PBF
LT3640IUFD#TRPBF
3640
28-Lead (4mm × 5mm) Plastic QFN
–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.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
SW2 Voltage ................................ –0.3V to (VIN2 + 0.3V)
Operating Junction Temperature Range (Note 2)
LT3640E................................................. –40°C to 125°C
LT3640I.................................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature, FE Only (Soldering, 10 sec) .... 300°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3640EUFDTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer |
| LT3640IFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer |
| LT3640IFE#PBF | 功能描述:IC REG BUCK FIX/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 |
| LT3640IFE#TRPBF | 功能描述:IC REG BUCK FIX/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 |
| LT3640IFEPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer |
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