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ELM610DA-N 参数 Datasheet PDF下载

ELM610DA-N图片预览
型号: ELM610DA-N
PDF下载: 下载PDF文件 查看货源
内容描述: 36V 1.3A PWM降压型DC / DC转换器 [1.3A 36V PWM step down DC/DC converter]
分类和应用: 转换器
文件页数/大小: 7 页 / 749 K
品牌: ELM-TECH [ ELM Technology Corporation ]
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ELM610DA
1.3A 36V PWM step down DC/DC converter
■General
description
ELM610DA consists of step-down switching regulator with PWM control, reference voltage source, oscillation
circuit, error amplifier, internal PMOS, etc. ELM610DA provides low-ripple power, high efficiency, and
excellent transient characteristics; PWM control circuit is able to vary the duty ratio linearly from 0 up to 100%.
ELM610DA also contains error amplifier circuit as well as soft-start circuit that prevents overshoot at during
startup. Internal enable function, over current protect function and short circuit protect function will reduce the
operation frequency from 150kHz to 30kHz when overmuch current or short circuit occurs. Meanwhile, internal
compensation block is able to minimize the quantity of required external component. With internal P-channel
Power MOS, and externally connected coil, capacitor, and diode, ELM610DA is able to function as step-down
switching regulator. By the small package of SOP-8, ELM610DA is capable of working as ideal power supply
units for portable devices while providing outstanding features such as low current consumption. Since this
converter accommodates input voltage up to 36V, ELM610DA is also suitable for operations which adopt AC
adapter.
■Features
• Input voltage
: 5.5V to 36V
• Output voltage
: 0.8V to Vin
• Output current
: 1.3A
• Duty ratio
: 0% to 100%
• Constant frequency
: Typ.150kHz
• Soft-start
• Thermal shutdown protection
• Short circuit protection
• Built-in internal P-channel MOS
• Package
: SOP-8
■Application
PC motherboard
LCD monitor
Graphic card
DVD, blu-ray player
Telecom equipment
ADSL modem
Printer and other peripheral equipment
Microcomputer power supply
Network power supply
■Maximum absolute ratings
Parameter
VIN power supply voltage
Apply voltage to FB
Apply voltage to EN
Apply voltage to SW
Apply voltage to VC
Power dissipation
Operating temperature range
Storage temperature range
Symbol
Vin
Vfb
Ven
Vsw
Vc
Pd
Top
Tstg
Limit
-0.3 to +40
GND-0.3 to Vin
GND-0.3 to Vin+0.3
GND-0.3 to Vin+0.3
Vin-20 to Vin+0.3
300
-40 to +85
-65 to +150
Unit
V
V
V
V
V
mW
°C
°C
Caution: Permanent damage to the device may occur when ratings above maximum absolute ones are used.
7-1
Rev.1.0