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参数资料
| 型号： | LT3972IDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3.5A 10DFN |
| 标准包装： | 121 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.79 V ~ 30 V |
| 输入电压： | 3.6 V ~ 33 V |
| PWM 型： | 电流模式，Burst Mode? |
| 频率 - 开关： | 230kHz ~ 2.45MHz |
| 电流 - 输出： | 3.5A |
| 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： | 10-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-DFN（3x3） |
LT3972
ABSOLUTE MAXIMUM RATINGS (Note 1)
V IN , RUN/SS Voltage (Note 5)...................................62V
BOOST Pin Voltage ...................................................56V
BOOST Pin Above SW Pin.........................................30V
FB, RT, V C Voltage .......................................................5V
PG, BD, SYNC Voltage ..............................................30V
Operating Junction Temperature Range (Note 2)
LT3972E ............................................. – 40°C to 125°C
LT3972I .............................................. – 40°C to 125°C
LT3972H ............................................ – 40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ....................................................... 300°C
PIN CONFIGURATION
TOP VIEW
BD
BOOST
SW
V IN
RUN/SS
1
2
3
4
5
11
10 RT
9 V C
8 FB
7 PG
6 SYNC
BD
BOOST
SW
V IN
RUN/SS
1
2
3
4
5
TOP VIEW
11
10
9
8
7
6
RT
V C
FB
PG
SYNC
MSE PACKAGE
DD PACKAGE
10-LEAD (3mm 3mm) PLASTIC DFN
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
10-LEAD PLASTIC MSOP
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3972EDD#PBF
LT3972IDD#PBF
LT3972EMSE#PBF
LT3972IMSE#PBF
LT3972HMSE#PBF
TAPE AND REEL
LT3972EDD#TRPBF
LT3972IDD#TRPBF
LT3972EMSE#TRPBF
LT3972IMSE#TRPBF
LT3972HMSE#TRPBF
PART MARKING*
LDXR
LDXR
LTDXS
LTDXS
LTDXS
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°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. *The temperature grade is 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/
ELECTRICAL CHARACTERISTICS
The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 10V, V RUN/SS = 10V, V BOOST = 15V, V BD = 3.3V unless otherwise
noted. (Note 2)
PARAMETER
Minimum Input Voltage
CONDITIONS
●
MIN
TYP
3
MAX
3.6
UNITS
V
V IN Overvoltage Lockout
Quiescent Current from V IN
V RUN/SS = 0.2V
V BD = 3V, Not Switching
V BD = 0, Not Switching
●
●
33
35
0.01
30
120
37
0.5
65
160
V
μA
μA
μA
3972fa
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3972IDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75μA Quiescent Current |
| LT3972IMSE#PBF | 功能描述:IC REG BUCK ADJ 3.5A 10MSOP 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 |
| LT3972IMSE#TRPBF | 功能描述:IC REG BUCK ADJ 3.5A 10MSOP 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 |
| LT3972IMSEPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 3.6-33V MSOP10 |
| LT3972IMSE-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75μA Quiescent Current |
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