MAX867

更新时间： 2024-11-24 22:55:11

品牌	Logo	应用领域
美信 - MAXIM		转换器电池
页数	文件大小	规格书
12页	141K
描述
3.3V/5V or Adjustable-Output, Single-Cell DC-DC Converters

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中文翻译

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数据手册

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MAX867 数据手册

19-0374; Rev 1; 5/96

3 .3 V/5 V o r Ad ju s t a b le -Ou t p u t ,

S in g le -Ce ll DC-DC Co n ve rt e rs

/MAX867

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

♦ 0.8V to 6.0V Input Supply Voltage

The MAX866 and MAX867 are ultra-small, high-efficiency,

CMOS, step-up, DC-DC switching regulators for 1-cell

battery-powered systems. The MAX866 accepts a posi-

tive input voltage between 0.8V and V_OUTand converts it

to a higher, pin-selectable output voltage of 3.3V or 5V.

The MAX867 adjustable version accepts 0.8V to 6.0V

input voltages and generates a higher adjustable output

voltage in the 2.7V to 6.0V range. Typical efficiencies are

greater than 80%. Typical no-load supply current is

100µA (1µA in shutdown).

♦ 0.9V Guaranteed Start-Up Supply Voltage

♦ >80% Efficiency Over Wide Load Range

♦ 100µA No-Load Battery Current (V

♦ 1µA Shutdown Mode

= 3.3V)

OUT

♦ Up to 250kHz Switching Frequency

♦ ±1.5% Reference Tolerance

♦ Low-Battery Detector (LBI/LBO)

The MAX866/MAX867 combine ultra-low quiescent sup-

ply current and high efficiency to give maximum battery

life. Its high switching frequency permits the use of

small, low-cost inductors and capacitors. Additionally,

internal peak-current limiting protects the IC.

♦ Available in Ultra-Small 8-Pin µMAX Package

(1.11mm high)

♦ Circuit Fits in 0.2in²

______________Ord e rin g In fo rm a t io n

________________________Ap p lic a t io n s

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

Dice*

Pagers

MAX866C/D

MAX866ESA

MAX866EUA

MAX867C/D

MAX867ESA

MAX867EUA

Remote Controls

Detectors

-40°C to +85°C

0°C to +70°C

8 SO

8 µMAX

Dice*

1-Cell Battery-Operated Equipment

Backup Supplies

-40°C to +85°C

8 SO

8 µMAX

* Dice are tested at T = +25°C only.

_________________P in Co n fig u ra t io n s

__________Typ ic a l Op e ra t in g Circ u it

INPUT

TOP VIEW

0.8V TO V

OUT

SHDN

3/5

GND

330µH

MAX866

REF

OUT

LBI

OUTPUT

5V OR 3.3V

LBO

SHDN

ON/OFF

MBRS0520LTI

OR 1N5817

SO/µMAX

47µF

MAX866

GND

3/5

LBI

OUT

3V/5V SELECT

SHDN

LOW-BATTERY

DETECTOR

INPUT

GND

MAX867

OUT

LBI

REF

LOW-BATTERY

DETECTOR OUTPUT

REF

LBO

0.22µF

SO/µMAX

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

12 3 4 5 6 7...12

中文翻译

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与MAX867相关器件

型号	品牌	获取价格	描述	数据表
MAX8671X	MAXIM	获取价格	PMIC with Integrated Charger and Smart Power Selector for Handheld Devices
MAX8671X_08	MAXIM	获取价格	PMIC with Integrated Charger and Smart Power Selector for Handheld Devices
MAX8671XETL+	MAXIM	获取价格	PMIC with Integrated Charger and Smart Power Selector for Handheld Devices
MAX8672	MAXIM	获取价格	Complete Backup Management IC for NiMH Batteries
MAX8672	ADI	获取价格	完备的电源管理IC，用于NiMH电池
MAX8672ETD+	MAXIM	获取价格	暂无描述
MAX8672ETD+T	MAXIM	获取价格	Complete Backup Management IC for NiMH Batteries
MAX8677A	MAXIM	获取价格	1.5A Dual-Input USB/AC Adapter Charger and Smart Power Selector
MAX8677A	ADI	获取价格	1.5A、USB/AC适配器双输入充电器与智能电源选择器
MAX8677AETG+	MAXIM	获取价格	1.5A Dual-Input USB/AC Adapter Charger and Smart Power Selector

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