参数资料
型号: MAX1790EUA+
厂商: Maxim Integrated Products
文件页数: 1/14页
文件大小: 0K
描述: IC REG BOOST ADJ 0.8A 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.6 V ~ 12 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 640kHz, 1.22MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 8-uMAX
19-1563; Rev 3; 9/05
ATION
AILABL
EVALU E
AV
KIT
Low-Noise Step-Up DC-DC Converters
General Description
The MAX1790/MAX8715 boost converters incorporate
high-performance (at 1.2MHz), current-mode, fixed-fre-
quency, pulse-width modulation (PWM) circuitry with a
built-in 0.21 Ω /0.15 Ω n-channel MOSFET to provide a high-
ly efficient regulator with fast response.
High switching frequency (640kHz or 1.2MHz selectable)
allows easy filtering and faster loop performance. An
external compensation pin provides the user flexibility in
determining loop dynamics, allowing the use of small, low
equivalent-series-resistance (ESR) ceramic output capaci-
tors. The device can produce an output voltage as high as
12V from an input as low as 2.6V.
Soft-start is programmed with an external capacitor, which
sets the input-current ramp rate. In shutdown mode, cur-
rent consumption is reduced to 0.1μA. The MAX1790/
MAX8715 are available in a space-saving 8-pin μMAX ?
package. The ultra-small package and high switching fre-
quency allow the total solution to be less than 1.1mm high.
Features
? 90% Efficiency
? Adjustable Output from V IN to 12V
? 1.6A, 0.21 Ω , 14V Power MOSFET (MAX1790)
? 2.4A, 0.15 Ω , 14V Power MOSFET (MAX8715)
? +2.6V to +5.5V Input Range
? Pin-Selectable 640kHz or 1.2MHz Switching
Frequency
? 0.1μA Shutdown Current
? Programmable Soft-Start
? Small 8-Pin μMAX Package
Ordering Information
μMAX is a registered trademark of Maxim Integrated Products,
PART
TEMP RANGE
PIN-PACKAGE
Inc.
LCD Displays
PCMCIA Cards
Applications
MAX1790 EUA
MAX1790EUA+
MAX8715 EUA
MAX8715EUA+
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
8 μMAX
8 μMAX
8 μMAX
8 μMAX
Portable Applications
Hand-Held Devices
Typical Operating Circuit
+ Denotes lead-free package.
Pin Configuration
V IN
2.6V TO 5V
TOP VIEW
COMP
1
8
SS
ON/OFF
SHDN
IN
LX
V OUT
FB
2
MAX1790
7
FREQ
MAX1790
SHDN
3
MAX8715
6
IN
MAX8715
FREQ
SS
GND
FB
GND 4
μ MAX
5
LX
COMP
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数
参数描述
MAX1790EUA+ 功能描述:直流/直流开关转换器 Low-Noise Step-Up RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1790EUA+T 功能描述:直流/直流开关转换器 Low-Noise Step-Up RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1790EUA+-T 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 8PIN UMAX - Tape and Reel
MAX1790EUA-T 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1790EVKIT 功能描述:电源管理IC开发工具 MAX1790 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V