The JTMH1039A is a step down switch mode converter. It achie

1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品

一,产品概述(General Description)

The JTMH1039A is a step down switch mode converter. It achieves 2A continuous output current over a wide input supply range with excellent
load and line regulation.Current mode operation provides fast transient
response and eases loop stabilization.Fault condition protection includes
cycle-by-cycle current limiting and thermal shutdown.
The JTMH1039A requires a minimum number of readily available
standard external components.
二.产品特点(Features)

Maximum Output Current: 2A
Stable with Low ESR Output Ceramic
Capacitors
Thermal Shutdown
Up to 92% Efficiency
Cycle-by-Cycle Over Current Protection
Wide 5V to 16V Operating Input Range
Programmable Under Voltage Lockout
Output Adjustable from 1.2V to 16V
Available in 8 pin SO package
Frequency: up to 400kHz
三,应用范围 (Applications)

Digital cameras and MP3
Palmtop computers / PDAs
Cellular phones
PC cards
Portable media players
四.技术规格书下载（产品PDF）

JTMH1002

五,产品封装图 (Package)

六.电路原理图

七,功能概述

VIN Pin Voltage…...……………………………………………………………………..……-0.3V ～ 20V
SW Pin Voltage .………………………………………………………………………-0.3V ～ (VIN+0.3)V
FB Pin Voltage……….………………………………………………………………..…….....-0.3V ～ 6V
Operating Temperature Range (Note 2) ………………………………………………...-40℃ ～ +85℃
Storage Temperature Range ……..…………………………………………………….-65℃ ～ +150℃
Junction Temperature Range……………………………………………………………-40℃ ～ +125℃
Lead Temperature (Soldering 10, sec.) ….………………………………………………………..+265℃
八,相关芯片选择指南

JTMH1002

JTMH1039A

JTMH1001

JTMH1006

JTMH1223A

JTMH1223

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