Datasheet > MAX17501AATB

MAX17501AATB

更新时间： 2024-01-25 13:09:41

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
22页	5535K
描述
60V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter

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MAX17501AATB 数据手册

MAX17501

60V, 500mA, Ultra-Small, High-Efficiency,

Synchronous Step-Down DC-DC Converter

General Description

Beneﬁts and Features

●ꢀ EliminatesꢀExternalꢀComponentsꢀandꢀReduceꢀTotalꢀ

The MAX17501 high-efficiency, high-voltage, synchronous

step-down DC-DC converter with integrated MOSFETs

operates over a 4.5V to 60V input voltage range. It deliv-

ers output currents up to 500mA at output voltages of

Cost

ꢀ

•ꢀ NoꢀSchottky-SynchronousꢀOperationꢀforꢀHighꢀ

EfficiencyꢀandꢀReducedꢀCost

•ꢀ Internal Compensation and Feedback Divider for

3.3V and 5V Outputs

0.9V to 92%V . The output voltage is accurate to within

±1.7% over -40°C to +125°C. The MAX17501 is avail-

able in a compact TDFN package. Simulation models are

available.

•ꢀ All-Ceramic Capacitors, Ultra-Compact Layout

●ꢀ ReducesꢀNumberꢀofꢀDC-DCꢀRegulatorsꢀtoꢀStock

The device features peak-current-mode control with

pulse-width modulation (PWM). Users can choose devic-

es with either pulse frequency modulation (PFM) or forced

PWM scheme. PFM devices skip pulses at light load for

higher efficiency, while forced-PWM devices operate with

fixed switching frequency at any load for noise sensi-

tive-applications. The low-resistance, on-chip MOSFETs

ensure high efficiency at full load and simplify the layout.

ꢀ

•ꢀ Wideꢀ4.5Vꢀtoꢀ60VꢀInputꢀVoltageꢀRange

•ꢀ 0.9V to 92%V Output Voltage

•ꢀ Delivers up to 500mA

•ꢀ 600kHzꢀandꢀ300kHzꢀSwitchingꢀFrequencyꢀOptions

•ꢀ Available in a 10-Pin, 3mm x 2mm TDFN Package

●

ꢀ

ReducesꢀPowerꢀDissipation

•ꢀ Peak Efficiency > 90%

•ꢀ PFMꢀFeatureꢀforꢀHighꢀLight-LoadꢀEfficiency

•ꢀ ShutdownꢀCurrentꢀ=ꢀ0.9μAꢀ(typ)

A programmable soft-start feature allows users to reduce

input inrush current. The device also incorporates an

output enable/undervoltage lockout pin (EN/UVLO) that

allows the user to turn on the part at the desired input-

voltage level. An open-drain RESET pin provides a

delayed power-good signal to the system upon achieving

successful regulation of the output voltage.

ꢀ

●ꢀ OperatesꢀReliablyꢀinꢀAdverseꢀIndustrialꢀEnvironmentsꢀ

ꢀ

•ꢀ Hiccup-ModeꢀCurrentꢀLimit,ꢀSinkꢀCurrentꢀLimit,ꢀ

and Autoretry Startup

•ꢀ Built-InꢀOutput-VoltageꢀMonitoringꢀ(Open-Drainꢀ

RESET Pin)

ꢀ

•ꢀ Resistor-ProgrammableꢀEN/UVLOꢀThreshold

•ꢀ Adjustable Soft-Start and Prebiased Power-Up

•ꢀ -40°Cꢀtoꢀ+125°CꢀIndustrialꢀTemperatureꢀRange

Applications

●ꢀ IndustrialꢀProcessꢀControlꢀ

●ꢀ HVACꢀandꢀBuildingꢀControlꢀ

●ꢀ BaseꢀStation,ꢀVOIP,ꢀTelecomꢀ

●ꢀ HomeꢀTheatreꢀ

●ꢀ Automotiveꢀ

●ꢀ Battery-PoweredꢀEquipment

●ꢀ General-PurposeꢀPoint-of-Load

Ordering Information appears at end of data sheet.

For related parts and recommended products to use with this part, refer

to www.maximintegrated.com/MAX17501.related.

19-6244; Rev 2; 1/13

12 3 4 5 6 7...22

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与MAX17501AATB相关器件

型号	品牌	获取价格	描述	数据表
MAX17501AATB+	MAXIM	获取价格	Switching Regulator, Current-mode, 0.86A, 640kHz Switching Freq-Max, BICMOS, PDSO10, TDFN-
MAX17501AATB+T	MAXIM	获取价格	Switching Regulator,
MAX17501ATEVKIT	MAXIM	获取价格	Operates from a 4.5V to 60V Input Supply
MAX17501B	MAXIM	获取价格	5V Fixed Output Voltage
MAX17501BATB	MAXIM	获取价格	60V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter
MAX17501BATB+	MAXIM	获取价格	Switching Regulator, Current-mode, 0.86A, 640kHz Switching Freq-Max, BICMOS, PDSO10, TDFN-
MAX17501BATB+T	MAXIM	获取价格	暂无描述
MAX17501BTEVKIT	MAXIM	获取价格	Operates from a 6V to 60V Input Supply
MAX17501E	MAXIM	获取价格	600kHz Switching Frequency
MAX17501EATB	MAXIM	获取价格	60V, 500mA, Ultra-Small, High-Efficiency,Synchronous Step-Down DC-DC Converter

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