参数资料
型号: LTC3546EUFD#PBF
厂商: Linear Technology
文件页数: 7/30页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A/2A 28QFN
标准包装: 73
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: 管件
供应商设备封装: 28-QFN(4x5)
产品目录页面: 1335 (CN2011-ZH PDF)
LTC3546
TYPICAL PERFORMANCE CHARACTERISTICS
100
OUT2 Efficiency vs V IN
100
OUT2 Efficiency vs V IN
OUT1 Load Step
98
98
96
94
92
90
88
86
600mA
3A
96
94
92
90
88
86
400mA
2A
V OUT
100mV/DIV
I LOAD
1A/DIV
84
82 SW1D CONNECTED TO SW2
V OUT = 2.5V
80
2.25 2.75 3.25 3.75 4.25
V IN (V)
4.75
5.25
3546 G20
84
82 SW1D CONNECTED TO SW1
V OUT = 2.5V
80
2.25 2.75 3.25 3.75 4.25
V IN (V)
4.75
5.25
3546 G21
100μs/DIV
SW1D CONNECTED TO SW1
V IN = 3.6V
V OUT = 1.2V
I LOAD = 200mA TO 1.9A
3546 G22
V OUT
100mV/DIV
I LOAD
250mA/DIV
OUT1 Load Step
V OUT
100mV/DIV
I LOAD
1A/DIV
OUT2 Load Step
V OUT
100mV/DIV
I LOAD
1A/DIV
OUT2 Load Step
100μs/DIV
3546 G23
100μs/DIV
3546 G24
100μs/DIV
3546 G25
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.2V
I LOAD = 100mA TO 0.9A
OUT1 Efficiency vs Frequency
95
94
93
92
91
90
89
SW1D CONNECTED TO SW2
V IN = 3.6V
V OUT = 1.8V
I LOAD = 300mA TO 2.9A
OUT1 Efficiency vs Frequency
95
94
93
92
91
90
89
95
94
93
92
91
90
89
SW1D CONNECTED TO SW1
V IN = 3.6V
V OUT = 1.8V
I LOAD = 200mA TO 1.9A
OUT2 Efficiency vs Frequency
87 V
87 V
87 V
88
SW1D CONNECTED TO SW1
IN = 3.6V
86 V OUT = 1.8V
I LOAD = 400mA
85
0.5 1.0 1.5 2.0 2.5 3.0
3.5
4.0
88
SW1D CONNECTED TO SW2
IN = 3.6V
86 V OUT = 1.8V
I LOAD = 200mA
85
0.5 1.0 1.5 2.0 2.5 3.0
3.5
4.0
88
SW1D CONNECTED TO SW2
IN = 3.6V
86 V OUT = 2.5V
I LOAD = 600mA
85
0.5 1.0 1.5 2.0 2.5 3.0
3.5
4.0
7
FREQUENCY (MHz)
3546 G26
FREQUENCY (MHz)
For more information www.linear.com/3546
3546 G27
FREQUENCY (MHz)
3546 G28
3546fc
相关PDF资料
PDF描述
LTC1514IS8-5#PBF IC REG MULTI CONFIG 5V 8SOIC
LT3510IFE#PBF IC REG BUCK ADJ 2A DL 20TSSOP
VE-J2H-EX-B1 CONVERTER MOD DC/DC 52V 75W
VE-J23-EX-B1 CONVERTER MOD DC/DC 24V 75W
VE-J22-EX-B1 CONVERTER MOD DC/DC 15V 75W
相关代理商/技术参数
参数描述
LTC3546EUFDTRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator
LTC3546IFE#PBF 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LTC3546IFE#TRPBF 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LTC3546IFEPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator
LTC3546IFETRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator