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TPS61085 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
描述:
具有强制 PWM 模式的 18.5V、2A、650kHz/1.2MHz 升压 DC-DC 转换器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P9P15P16P17
原理图在P1P7
封装尺寸在P21P23P24P27
焊盘布局在P28
标记信息在P21P22
封装信息在P20P21P22P23P24
技术参数、封装参数在P3
应用领域在P1P30
电气规格在P4
导航目录
TPS61085数据手册
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C
OUT
1
4
56
3 2
7
TPS61085
8
L
3.3 Hm
V
2.3 V to 6 V
IN
C
10 F
16 V
IN
µ
C
1 F
16 V
BY
µ
IN
EN
FREQ
GND
SW
FB
COMP
SS
C
100 nF
SS
R
51 k
COMP
Ω
C
1.1 nF
COMP
R1
158 kΩ
R2
18.2 kΩ
2* 10 µF
25 V
V
12 V/300 mA
S
D
PMEG2010AEH
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TPS61085
SLVS859B –JUNE 2008–REVISED DECEMBER 2014
TPS61085 650-kHz,1.2-MHz, 18.5-V Step-Up DC-DC Converter
1 Features 3 Description
The TPS61085 is a high frequency, high efficiency
1
• 2.3 V to 6 V Input Voltage Range
DC-DC converter with an integrated 2.0-A, 0.13-Ω
• 18.5-V Boost Converter With 2.0-A Switch Current
power switch capable of providing an output voltage
• 650-kHz/1.2-MHz Selectable Switching Frequency
up to 18.5 V. The selectable frequency of 650 kHz or
1.2 MHz allows the use of small external inductors
• Adjustable Soft-Start
and capacitors and provides fast transient response.
• Thermal Shutdown
The external compensation allows optimizing the
• Undervoltage Lockout
application for specific conditions. A capacitor
connected to the soft-start pin minimizes inrush
• 8-Pin VSSOP Package
current at startup.
• 8-Pin TSSOP Package
Device Information
(1)
2 Applications
PART NUMBER PACKAGE BODY SIZE (NOM)
• Handheld Devices
VSSOP (8) 3.00 mm × 3.00 mm
TPS61085
• GPS Receivers
TSSOP (8) 3.00 mm × 4.40 mm
• Digital Still Cameras
(1) For all available packages, see the orderable addendum at
• Portable Applications the end of the datasheet.
• DSL Modems
• PCMCIA Cards
• TFT LCD Bias Supply
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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