参数资料
型号: XRP7664IDTR-F
厂商: Exar Corporation
文件页数: 1/2页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 8SOIC
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.93 V ~ 16 V
输入电压: 4.75 V ~ 18 V
PWM 型: 电流模式
频率 - 开关: 340kHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 剪切带 (CT)
供应商设备封装: 8-SOICN
其它名称: 1016-1383-1
1016-1383-5
1016-1383-5-ND
2A 18V SYNCHRONOUS STEP-DOWN CONVERTER
XRP7664
THE POPULAR CHOICE FOR 2A POWER RAIL DOWN CONVERSIONS
THE XRP7664 IS A SYNCHRONOUS CURRENT MODE PWM STEP DOWN (BUCK) REGULATOR
CAPABLE OF A CONSTANT OUTPUT CURRENT UP TO 2AMPS. A WIDE 4.75V TO 18V INPUT
VOLTAGE RANGE ALLOWS FOR SINGLE SUPPLY OPERATIONS FROM INDUSTRY STANDARD 5V AND
12V POWER RAILS.
WITH A 340KHZ CONSTANT OPERATING FREQUENCY AND INTEGRATED HIGH AND LOW SIDE
120M ? /110M ? MOSFETS, THE XRP7664 REDUCES THE OVERALL COMPONENT COUNT
AND SOLUTION FOOTPRINT. CURRENT-MODE CONTROL PROVIDES FAST TRANSIENT RESPONSE
AND CYCLE-BY-CYCLE CURRENT LIMIT. AN ADJUSTABLE SOFT-START PREVENTS INRUSH CURRENT
AT TURN-ON, AND IN SHUTDOWN MODE THE SUPPLY CURRENT DROPS TO 0.1UA.
BUILT-IN OUTPUT OVER VOLTAGE (OPEN LOAD), OVER TEMPERATURE, CYCLE-BY-CYCLE OVER
CURRENT AND UNDER VOLTAGE LOCKOUT (UVLO) PROTECTIONS INSURE SAFE OPERATIONS
UNDER ABNORMAL OPERATING CONDITIONS.
THE XRP7664 IS OFFERED IN A ROHS COMPLIANT, “GREEN”/HALOGEN FREE 8-PIN SOIC
PACKAGE.
MAJOR FEATURES
? PIN/FUNCTION COMPATIBLE TO
MP1482
? 2A CONTINUOUS OUTPUT CURRENT
? 4.75V TO 18V WIDE INPUT
VOLTAGE
? PWM CURRENT MODE CONTROL
? 340KHZ CONSTANT OPERATIONS
? UP TO 93% EFFICIENCY
? ADJUSTABLE OUTPUT VOLTAGE
? 0.925V TO 16V RANGE
? 3% ACCURACY
? PROGRAMMABLE SOFT-START AND
ENABLE FUNCTION
? BUILT-IN THERMAL, OVER CURRENT,
UVLO AND OUTPUT OVER VOLTAGE
PROTECTIONS
? ROHS COMPLIANT, “GREEN”/
HALOGEN FREE 8-PIN SOIC
PACKAGE
WWW.EXAR.COM
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