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参数资料
| 型号： | LT3845IFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 16TSSOP |
| 标准包装： | 95 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 500kHz |
| 电源电压： | 4 V ~ 60 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
LT3845
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (V IN ) ........................................65V
Boosted Supply Voltage (BOOST) .............................80V
Switch Voltage (SW) (Note 8) ....................... 65V to –2V
Differential Boost Voltage
(BOOST to SW).....................................................24V
Bias Supply Voltage (V CC ) .........................................24V
SENSE + and SENSE – Voltages ..................................40V
Differential Sense Voltage
(SENSE + to SENSE – )................................... 1V to –1V
PIN CONFIGURATION
TOP VIEW
BURST_EN Voltage ...................................................24V
SYNC, V C , V FB , C SS , and SHDN Voltages ....................5V
SHDN Pin Currents ..................................................1mA
Operating Junction Temperature Range (Note 2)
LT3845E (Note 3) ............................... –40°C to 125°C
LT3845I .............................................. –40°C to 125°C
LT3845MP.......................................... –55°C to 125°C
Storage Temperature.............................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
TOP VIEW
V IN
SHDN
C SS
1
2
3
16 BOOST
15 TG
14 SW
V FB
V C
f SET
1
2
3
16 BURST_EN
15 C SS
14 SHDN
BURST_EN
V FB
V C
SYNC
4
5
6
7
17
13 V CC
12 BG
11 PGND
10 SENSE +
SGND
SENSE –
SENSE +
PGND
4
5
6
7
13 V IN
12 BOOST
11 TG
10 SW
f SET
8
9
SENSE –
BG
8
9
V CC
FE PACKAGE
16-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 40°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
N PACKAGE
16-LEAD PDIP
T JMAX = 125°C, θ JA = 70°C/W, θ JC = 34°C/W
LEAD FREE FINISH
LT3845EFE#PBF
LT3845IFE#PBF
LT3845MPFE#PBF
LT3845EN#PBF
TAPE AND REEL
LT3845EFE#TRPBF
LT3845IFE#TRPBF
LT3845MPFE#TRPBF
LT3845EN#TRPBF
PART MARKING*
3845FE
3845FE
3845FE
3845N
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
16-Lead PDIP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–55°C to 125°C
–40°C to 125°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/
3845fd
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3845IFETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency |
| LT3845IFE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency |
| LT3845MPFE | 制造商:Linear Technology 功能描述:Step Down Controller 16-Pin TSSOP EP 制造商:Linear Technology 功能描述:HIGH VOLTAGE SYNCHRONOUSCURRENT MODE STEP-DOWNCONTROLLER WITH ADJUSTABLEOPERATING FREQUENCY |
| LT3845MPFE#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,000 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:50% 电源电压:9 V ~ 10 V 降压:无 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:8-TSSOP（0.173"，4.40mm 宽） 包装:带卷 (TR) |
| LT3845MPFE#PBF | 制造商:Linear Technology 功能描述:IC SYNC STEP-DOWN CONTROLLER 16-TSSOP |
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