参数资料
型号: LTC3546EUFD#TRPBF
厂商: Linear Technology
文件页数: 5/30页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A/2A 28QFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.25MHz,750kHz ~ 4MHz
电流 - 输出: 1A,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: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 28-QFN(4x5)
LTC3546
TYPICAL PERFORMANCE CHARACTERISTICS
V OUT
20mV/DIV
I LOAD
500mA/DIV
OUT1 Burst Mode Operation
V OUT
20mV/DIV
I LOAD
250mA/DIV
OUT1 Pulse-Skipping Mode
Operation
V OUT
20mV/DIV
I LOAD
250mA/DIV
OUT1 Forced Continuous Mode
Operation
2μs/DIV
3546 G02
1μs/DIV
3546 G03
1μs/DIV
3546 G04
V OUT
20mV/DIV
I LOAD
200mA/DIV
SW1D CONNECTED TO SW1
V IN = 3.6V
V OUT = 1.8V
I LOAD = 300mA
OUT1 Burst Mode Operation
V OUT
20mV/DIV
I LOAD
250mA/DIV
SW1D CONNECTED TO SW1
V IN = 3.6V
V OUT = 1.2V
I LOAD = 100mA
OUT1 Pulse-Skipping Mode
Operation
V OUT
20mV/DIV
I LOAD
250mA/DIV
SW1D CONNECTED TO SW1
V IN = 3.6V
V OUT = 1.2V
I LOAD = 100mA
OUT1 Forced Continuous Mode
Operation
1μs/DIV
3546 G05
1μs/DIV
3546 G06
1μs/DIV
3546 G07
V OUT
20mV/DIV
I LOAD
500mA/DIV
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.8V
I LOAD = 200mA
OUT2 Burst Mode Operation
V OUT
20mV/DIV
I LOAD
500mA/DIV
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.2V
I LOAD = 100mA
OUT2 Pulse-Skipping Mode
Operation
V OUT
20mV/DIV
I LOAD
500mA/DIV
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.2V
I LOAD = 50mA
OUT2 Forced Continuous Mode
Operation
1μs/DIV
3546 G08
1μs/DIV
3546 G09
1μs/DIV
3546 G10
5
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 2.5V
I LOAD = 500mA
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.8V
I LOAD = 200mA
For more information www.linear.com/3546
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.8V
I LOAD = 100mA
3546fc
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