参数资料
型号: LTC3833IUDC#PBF
厂商: Linear Technology
文件页数: 2/36页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-QFN
标准包装: 91
PWM 型: 电流模式
输出数: 1
频率 - 最大: 2.2MHz
电源电压: 4.5 V ~ 38 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 20-WFQFN 裸露焊盘
包装: 管件
LTC3833
ABSOLUTE MAXIMUM RATINGS (Note 1)
V IN Voltage ................................................ –0.3V to 40V
BOOST Voltage .......................................... –0.3V to 46V
SW Voltage ................................................... –5V to 40V
INTV CC , EXTV CC , (BOOST-SW), PGOOD, RUN,
MODE/PLLIN, V RNG Voltages ....................... –0.3V to 6V
V OUT , SENSE + , SENSE – Voltages.................. –0.6V to 6V
V OSNS+ , V OSNS – Voltages ........ –0.6V to (INTV CC + 0.3V)
RT, ITH Voltages ..................... –0.3V to (INTV CC + 0.3V)
TRACK/SS Voltages ..................................... –0.3V to 5V
Operating Junction Temperature Range
(Notes 2, 3, 4) ........................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
V OSNS– 1
V OSNS+ 2
TRACK/SS 3
ITH 4
V RNG 5
RT 6
20 19 18 17
21
SGND
7 8 9 10
16 BOOST
15 TG
14 SW
13 BG
12 PGND
11 INTV CC
PGOOD
SENSE +
SENSE –
V OUT
V OSNS–
V OSNS+
TRACK/SS
ITH
V RNG
1
2
3
4
5
6
7
8
9
21
SGND
20 BOOST
19 TG
18 SW
17 BG
16 PGND
15 INTV CC
14 V IN
13 MODE/PLLIN
12 EXTV CC
RT 10
11 RUN
UDC PACKAGE
20-LEAD (3mm × 4mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 43°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 38°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3833EUDC#PBF
LTC3833IUDC#PBF
LTC3833EFE#PBF
LTC3833IFE#PBF
TAPE AND REEL
LTC3833EUDC#TRPBF
LTC3833IUDC#TRPBF
LTC3833EFE#TRPBF
LTC3833IFE#TRPBF
PART MARKING*
LFGT
LFGT
LTC3833FE
LTC3833FE
PACKAGE DESCRIPTION
20-Lead (3mm × 4mm) Plastic QFN
20-Lead (3mm × 4mm) Plastic QFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
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.
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/
3833f
2
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