参数资料
型号: LTC3545IUD-1#PBF
厂商: Linear Technology
文件页数: 5/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.8A 16QFN
标准包装: 121
类型: 降压(降压)
输出类型: 可调式
输出数: 3
输出电压: 0.6 V ~ 5.5 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
电流 - 输出: 800mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 16-QFN-EP(3x3)
LTC3545/LTC3545-1
TYPICAL PERFORMANCE CHARACTERISTICS
450
400
350
300
Supply Current vs Temperature,
Pulse Skipping
100
90
80
70
60
50
Ef?ciency vs Load Current,
Burst Mode Operation
100
90
80
70
60
50
Ef?ciency vs Load Current,
Pulse Skipping Operation
250
40
30
V IN = 2.7V
V IN = 3.6V
V IN = 4.2V
40
30
V IN = 2.7V
V IN = 3.6V
V IN = 4.2V
200
150
V FB3 = 0.625V
I LOAD = 0mA
CHANNEL 3 ONLY
V IN = 5.5V
V IN = 4.5V
V IN = 3.5V
V IN = 2.5V
20
10
0
T A = 25°C
V OUT = 1.8V
CHANNEL 3, OTHER CHANNELS OFF
f OSC = 2.25MHz
20
10
0
T A = 25°C
V OUT = 1.8V
CHANNEL 3, OTHER CHANNELS OFF
f OSC = 2.25MHz
–50
0
50
100
150
0.1
1
10 100
1000
0.1
1
10 100
1000
TEMPERATURE (°C)
3545 G07
LOAD CURRENT (mA)
3545 G08
LOAD CURRENT (mA)
3545 G09
V OUT1
100mV/DIV
I L
500mA/DIV
I LOAD
500mA/DIV
Channel 1 Load Step Response
V OUT2
100mV/DIV
I L
500mA/DIV
I LOAD
500mA/DIV
Channel 2 Load Step Response
V OUT3
100mV/DIV
I L
500mA/DIV
I LOAD
500mA/DIV
Channel 3 Load Step Response
T A = 25°C 10μs/DIV
V IN = 3.6V
V OUT = 1.2V
LOAD STEP 0mA TO 600mA
Burst Mode OPERATION
3545 G10
T A = 25°C 10μs/DIV
V IN = 3.6V
V OUT = 1.5V
LOAD STEP 0mA TO 600mA
Burst Mode OPERATION
3545 G11
T A = 25°C 10μs/DIV
V IN = 3.6V
V OUT = 1.8V
LOAD STEP 0mA TO 600mA
Burst Mode OPERATION
3545 G12
35451fb
5
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LTC3546EFE#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:- 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2