参数资料
型号: LV5749NV-TLM-E
厂商: ON Semiconductor
文件页数: 1/6页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SSOP
标准包装: 2,000
PWM 型: 电流模式
输出数: 1
频率 - 最大: 140kHz
电源电压: 8.5 V ~ 42 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-LSSOP(0.175",4.40mm 宽)
包装: 带卷 (TR)
Ordering number : ENA1684
LV5749NV
Bi-CMOS LSI
1-channel Step-down
http://onsemi.com
Switching Regulator
Application
The LV5749NV is a 1-channel step-down switching regulator.
Functions
? 1 channel step-down switching regulator controller.
? Load-independent soft start circuit.
? ON/OFF function.
? Built-in pulse-by-pulse OCP circuit. It is detected by using ON resistance of an external MOS.
? Synchronous rectification.
? Current mode control.
? Synchronous drive by external signal.
Specifications
Absolute Maximum Ratings at Ta = 25 ° C
Parameter
supply voltage
Symbol
VIN max
Conditions
Ratings
45
Unit
V
Allowable Power dissipation
Operating temperature
Storage temperature
Pd max
Topr
Tstg
Mounted on a specified board. *
0.74
-40 to +85
-55 to +150
W
° C
° C
* : When mounted on the specified printed circuit board (114.3mm × 76.1mm × 1.6mm), glass epoxy
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Range at Ta = 25 ° C
Parameter
Supply voltage range
Error amplifier input voltage
VIN
Symbol
Conditions
Ratings
8.5 to 42
0 to 1.6
Unit
V
V
Semiconductor Components Industries, LLC, 2013
August, 2013
82510 SY 20100312-S00001 No.A1684-1/6
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