参数资料
型号: LTC3541EDD#TRPBF
厂商: Linear Technology
文件页数: 5/20页
文件大小: 368K
描述: IC REG DL BCK/LINEAR SYNC 10-DFN
产品培训模块: More Information on LDOs
标准包装: 2,500
拓扑: 降压(降压)同步(1),线性(LDO)(1)
功能: 任何功能
输出数: 2
频率 - 开关: 2.25MHz
电压/电流 - 输出 1: 0.8 V ~ 5 V,500mA
电压/电流 - 输出 2: 0.4 V ~ 4.1 V,300mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 0.9 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC3541

3541fa
YPICAL PERFOR A CE CHARACTERISTICS
W
Oscillator Frequency
vs Temperature
Oscillator Frequency
vs Supply Voltage
Buck Reference vs Temperature
R
DS(ON)
 vs Temperature
Buck (Pulse Skip) Load Step from
1mA to 500mA
Buck (Burst) and VLDO Output
TEMPERATURE (癈)
50
2.00
2.05
2.15
2.20
2.25
2.50
2.35
0
50   75
2.10
2.40
2.45
2.30
25
25
100  125
V
IN
 = 3.6V
SUPPLY VOLTAGE (V)
3
2.2
2.3
2.1
2.0
4
5
6
2.5
V
IN
 = 3.6V
2.4
TEMPERATURE (癈)
50
0.390
0.392
0.396
0.398
0.400
0.410
0.404
0
50   75
0.394
0.406
0.408
0.402
25
25
100  125
V
IN
 = 3.6V
VLDO/Linear Regulator Reference
vs Temperature
TEMPERATURE (癈)
50
0.780
0.784
0.792
0.796
0.800
0.820
0.808
0
50
75
0.788
0.812
0.816
0.804
25
25
100
125
V
IN
 = 3.6V
TEMPERATURE (癈)
50
0.400
0.500
0.700
25
75
0.300
0.200
25   0
50
100  125
0.100
0
0.600
V
IN
 = 2.5V
V
IN
 = 3.6V
V
IN
 = 5.5V
SYNCH SWITCH
MAIN SWITCH
V
OUT
10mV/DIV
C COUPLED
LV
OUT
10mV/DIV
C COUPLED
V
IN
 = 3.6V
LV
OUT
 = 1.5V
V
OUT
 = 1.8V
I
LOAD
 = 50mA
r tM   PERATI N
2祍/DIV
3541 G15
V
OUT
100mV/DIV
C COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
IN
 = 3.6V
V
OUT
 = 1.8V
I
L AD
 = 1mA TO 500mA
40祍/DIV
3541 G16
V
OUT
100mV/DIV
C COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
IN
 = 3.6V
V
OUT
 = 1.8V
I
L AD
 = 1mA TO 500mA
40祍/DIV
3541 G17
LV
OUT
20mV/DIV
C COUPLED
I
LOAD
250mA/DIV
V
IN
 = 3.6V
LV
OUT
 = 1.5V
I    = 1mA TO 300mA
400祍/DIV
3541 G18
Buck (Burst) Load Step from
1mA to 500mA
VLDO Load Step from
1mA to 500mA
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