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参数资料
| 型号： | LTC3789IGN#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.1 A SWITCHING CONTROLLER, 710 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28 |
| 文件页数： | 12/28页 |
| 文件大小： | 486K |
| 代理商： | LTC3789IGN#TRPBF |
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LTC3789
2
3789f
absoluTe MaxiMuM raTings
Input Supply Voltage (VIN)......................... 40V to –0.3V
Topside Driver Voltages
(BOOST1, BOOST2) .................................. 46V to –0.3V
Switch Voltage (SW1, SW2) ......................... 40V to –5V
Current Sense Voltages (IOSENSE+, IOSENSE–)...40V to –0.3V
BOOST1, BOOST2 – SW1, SW2................... 6V to –0.3V
TG1, TG2 – SW1, SW2................................. 6V to –0.3V
EXTVCC Voltage.......................................... 14V to –0.3V
INTVCC Voltage............................................. 6V to –0.3V
SENSE+, SENSE– Voltages .................... INTVCC to –0.3V
MODE/PLLIN, SS Voltages ................... INTVCC to –0.3V
(Note 1)
VINSNS, VOUTSNS......................................... 40V to –0.3V
BG1, BG2 Voltages ............................... INTVCC to –0.3V
ITH, FREQ, ILIM Voltages........................ INTVCC to –0.3V
VFB Voltage................................................ 2.7V to –0.3V
RUN, PGOOD Voltage ................................. 6V to –0.3V
Operating Junction Temperature Range
(Notes 2, 3)............................................ –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
INTVCC Peak Output Current ................................100mA
Lead Temperature (Soldering, 10 sec.)
GN Package...................................................... 300°C
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3789EGN#PBF
LTC3789EGN#TRPBF
LTC3789
28-Lead Narrow Plastic SSOP
–40°C to 125°C
LTC3789IGN#PBF
LTC3789IGN#TRPBF
LTC3789
28-Lead Narrow Plastic SSOP
–40°C to 125°C
LTC3789EUFD#PBF
LTC3789EUFD#TRPBF
3789
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3789IUFD#PBF
LTC3789IUFD#TRPBF
3789
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.
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/
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD NARROW PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VFB
SS
SENSE+
SENSE–
ITH
SGND
MODE/PLLIN
FREQ
RUN
VINSNS
VOUTSNS
ILIM
IOSENSE+
IOSENSE–
PGOOD
SW1
TG1
BOOST1
PGND
BG1
VIN
INTVCC
EXTVCC
BG2
BOOST2
TG2
SW2
TRIM
TJMAX = 125°C, θJA = 80°C/W
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
SENSE–
ITH
SGND
MODE/PLLIN
FREQ
RUN
VINSNS
VOUTSNS
BOOST1
PGND
BG1
VIN
INTVCC
EXTVCC
BG2
BOOST2
SENSE
+
SS
V FB
PGOOD
SW1
TG1
I LIM
I OSENSE
+
I OSENSE
–
TRIM
SW2
TG2
7
17
18
19
20
21
22
16
8
15
29
SGND
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 29) IS SGND, MUST BE SOLDERED TO PCB
pin conFiguraTion
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相关代理商/技术参数 |
参数描述 |
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| LTC3789IUFD#PBF | 功能描述:IC REG CTRLR BST PWM CM 28-QFN 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:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LTC3789IUFD#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 28-QFN 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:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LTC3789IUFDPBF | 制造商:Linear Technology 功能描述:4-Switch Buck-Boost Controller QFN28EP |
| LTC-37XX | 制造商:LITEON 制造商全称:Lite-On Technology Corporation 功能描述:0.3 FOUR LED CLOCK FREQUENCY DISPLAYS |
| LTC3801BES6#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.4V to 9.8V Input 6-Pin TSOT-23 |
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