Datasheet > MAX15004A

MAX15004A

更新时间： 2024-09-16 02:47:03

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描述
4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers

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MAX15004A 数据手册

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MAX15004A/B/C/D-

MAX15005A/B/C/D

4.5V to 40V Input Automotive

Flyback/Boost/SEPIC

Power-Supply Controllers

General Description

Beneﬁts and Features

● Wide Supply Voltage Range Meets Automotive

Power-Supply Operating Requirement Including

“Cold Crank” Conditions

The MAX15004/MAX15005 high-performance, current-

mode PWM controllers operate at an automotive input

voltage range from 4.5V to 40V (load dump). The input

voltage can go lower than 4.5V after startup if IN is boot-

strapped to a boosted output voltage. The controllers

integrate all the building blocks necessary for implement-

ing fixed-frequency isolated/nonisolated power supplies.

The general-purpose boost, flyback, forward, and SEPIC

converters can be designed with ease around the

MAX15004/MAX15005.

• 4.5V to 40V Operating Input Voltage Range

(Can Operate at Lower Voltage After Startup if

Input is Bootstrapped to a Boosted Output)

● Control Architecture Offers Excellent Performance

While Simplifying the Design

• Current-Mode Control

• 300mV, 5% Accurate Current-Limit Threshold

Voltage

• Programmable Slope Compensation

• 50% (MAX15004) or Adjustable (MAX15005)

Maximum Duty Cycle

The current-mode control architecture offers excellent line-

transient response and cycle-by-cycle current limit while

simplifying the frequency compensation. Programmable

slope compensation simplifies the design further. A fast

60ns current-limit response time, low 300mV current-limit

threshold makes the controllers suitable for high-efficiency,

high-frequency DC-DC converters. The devices include

an internal error amplifier and 1% accurate reference to

facilitate the primary-side regulated, single-ended flyback

converter or nonisolated converters.

● Accurate, Adjustable Switching Frequency and

Synchronization Avoids Interference with Sensitive

Radio Bands

• Switching Frequency Adjustable from 15kHz to

500kHz (1MHz for the MAX15005A/B/C/D)

• RC Programmable 4% Accurate Switching

Frequency

An external resistor and capacitor network programs the

switching frequency from 15kHz to 500kHz (1MHz for

the MAX15005). The MAX15004A/MAX15005 provide a

SYNC input for synchronization to an external clock. The

maximum FET-driver duty cycle for the MAX15004A/B/C/D

is 50%. The maximum duty cycle can be set on the

MAX15005A/B/C/D by selecting the right combination of

RT and CT.

• External Frequency Synchronization

● Built-In Protection Capability for Improved System

Reliability

• Cycle-by-Cycle and Hiccup Current-Limit

Protection

• Overvoltage and Thermal-Shutdown Protection

• -40°C to +125°C Automotive Temperature Range

• AEC-Q100 Qualiﬁed

The input undervoltage lockout (ON/OFF) programs the

input-supply startup voltage and can be used to shutdown

the converter to reduce the total shutdown current down

to 10µA. Protection features include cycle-by-cycle and

hiccup current limit, output overvoltage protection, and

thermal shutdown.

Ordering Information

PART

PIN-PACKAGE MAX DUTY CYCLE

MAX15004AAUE+

MAX15004AAUE/V+

MAX15004BAUE+

MAX15004BAUE/V+

MAX15004CAUE/V+

MAX15004DAUE/V+

MAX15005AAUE+

MAX15005AAUE/V+

MAX15005BAUE+

MAX15005BAUE/V+

MAX15005CAUE/V+

MAX15005DAUE/V+

16 TSSOP-EP*

16 TSSOP

50%

The MAX15004/MAX15005 are available in space-saving

16-pin TSSOP and thermally enhanced 16-pin TSSOP-EP

packages. All devices operate over the -40°C to +125°C

automotive temperature range.

16 TSSOP

50%

16 TSSOP-EP*

16 TSSOP

50%

16 TSSOP-EP*

16 TSSOP

Programmable

Applications

● Automotive

● Vacuum Fluorescent Display (VFD) Power Supply

● Isolated Flyback, Forward, Nonisolated SEPIC,

Boost Converters

16 TSSOP

16TSSOP-EP*

16 TSSOP

Note: All devices are specified over the -40°C to +125°C

temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive qualified part.

*EP = Exposed pad.

Pin Configuration appears at end of data sheet.

** Future product—contact

factory for availability

19-0723; Rev 10; 6/20

12 3 4 5 6 7...27

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与MAX15004A相关器件

型号	品牌	获取价格	描述	数据表
MAX15004AAUE	MAXIM	获取价格	4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15004AAUE/V	MAXIM	获取价格	Switching Controller, Current-mode, 1.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO16, TSSO
MAX15004AAUE/V+	MAXIM	获取价格	Switching Controller, Current-mode, 1.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO16, TSSO
MAX15004AAUE/V+T	MAXIM	获取价格	Switching Controller, Current-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16,
MAX15004AAUE+	MAXIM	获取价格	4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15004AAUE+T	MAXIM	获取价格	Switching Controller, Current-mode, 1.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO16, ROHS
MAX15004AAUEV	MAXIM	获取价格	4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15004B	MAXIM	获取价格	4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15004BAUE	MAXIM	获取价格	4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15004BAUE/V	MAXIM	获取价格	Switching Controller, Current-mode, 1.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO16, TSSO

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