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| 型号： | MAX1760HETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 3.3V/ADJ 10TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，2.5 V ~ 5.5 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 800mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
19-1660; Rev 3; 1/07
ATION
AILABL
EVALU E
AV
KIT
0.8A, Low-Noise, 1MHz,
Step-Up DC-DC Converter
General Description
The MAX1760/MAX1760H are high-efficiency, low-noise,
step-up DC-DC converters intended for use in battery-
powered wireless applications. They combine low quies-
cent supply current (100μA) with a high 1MHz operating
frequency. Small external components and tiny 10-pin
TDFN and μMAX ? packages make this device an excel-
lent choice for small hand-held applications. The
MAX1760 is activated by a logic-low ON signal while the
MAX1760H is activated by a logic-high ON input.
? Up to 94% Efficiency
? 0.7V to 5.5V Input Range
? Up to 800mA Output
? Fixed 3.3V Output (or Adjustable from 2.5V to 5.5V)
? PWM Synchronous-Rectified Topology
? Low-Noise, Constant-Frequency Operation (1MHz)
? 0.1 μ A Logic-Controlled Shutdown
Features
Both devices use a synchronous-rectified pulse-width-
modulation (PWM) boost topology to generate 2.5V to
5.5V outputs from a wide range of inputs, such as 1 to 3
alkaline or NiCd/NiMH cells or a single lithium-ion (Li+)
cell. Proprietary Idle-Mode ? circuitry significantly
improves light-load efficiency and smoothly transitions to
fixed-frequency PWM operation at higher load currents.
Low-noise, forced-PWM mode is available for applica-
tions requiring constant-frequency operation at all load
currents. PWM operation can also be synchronized to
?
?
?
?
?
Synchronizable Switching Frequency
Adjustable Current Limit
Adjustable Soft-Start
10-Pin μ MAX Package
10-Pin 3mm x 3mm TDFN Package
Ordering Information
an external clock to protect sensitive frequency bands
in communications equipment. Analog soft-start and
adjustable current limit permit optimization of efficiency,
external component size, and output voltage ripple.
PART
MAX1760 ETB
MAX1760EUB
PIN-
PACKAGE
10 TDFN-EP*
10 μMAX
ON
LOGIC
Low
Low
PKG CODE
T1033-1
U10-2
Digital Cordless Phones
Applications
PCS Phones
MAX1760H ETB 10 TDFN-EP*
MAX1760HEUB 10 μMAX
* EP = Exposed paddle.
High
High
T1033-1
U10-2
Wireless Handsets
Palmtop Computers
Two-Way Pagers
Handheld Instruments
Personal Communicators
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
INPUT = 0.7V
TO V OUT
Typical Operating Circuit
TOP VIEW
Pin Configurations
ON
MAX1760
LX
ISET 1
10 ON (ON)
ISET
1
10
ON (ON)
CLK/SEL
POUT
V OUT = 3.3V,
800mA
REF
GND
2
3
MAX1760
MAX1760H
9
8
POUT
LX
REF
GND
2
3
MAX1760
MAX1760H
9
8
POUT
LX
ISET
FB
OUT
4
5
7
6
PGND
CLK/SEL
FB
OUT
4
5
7
6
PGND
CLK/SEL
REF
OUT
FB
GND
PGND
μ MAX
TDFN
(3mm x 3mm)
(ON) FOR MAX1760H
μMAX is a registered trademark of Maxim Integrated Products, Inc.
Idle Mode is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________ 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 |
|---|---|
| MAX1760HEUB | 功能描述:直流/直流开关转换器 0.8A Low-Noise 1MHz 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 |
| MAX1760HEUB+ | 功能描述:直流/直流开关转换器 0.8A Low-Noise 1MHz 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 |
| MAX1760HEUB+T | 功能描述:直流/直流开关转换器 0.8A Low-Noise 1MHz 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 |
| MAX1760HEUB-T | 功能描述:直流/直流开关转换器 0.8A Low-Noise 1MHz 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 |
| MAX17611GTL+ | 制造商:Maxim Integrated Products 功能描述:IMVP7 CPU AND GRAPHICS CONTROLLER - Rail/Tube |
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