参数资料
型号: LTC3100EUD#TRPBF
厂商: Linear Technology
文件页数: 3/26页
文件大小: 403K
描述: IC REG BUCK/BOOST/LINEAR 16-QFN
产品培训模块: More Information on LDOs
标准包装: 2,500
拓扑: 降压(降压)(1),升压(升压)(1),线性(LDO)(1)
功能: 任何功能
输出数: 3
频率 - 开关: 1.5MHz
电压/电流 - 输出 1: 0.6 V ~ 5.5 V,250mA
电压/电流 - 输出 2: 1.5 V ~ 5.25 V,700mA
电压/电流 - 输出 3: 0.6 V ~ 5.25 V,100mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 0.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(3x3)
包装: 带卷 (TR)
LTC3100
3
3100fb
For more information www.linear.com/LTC3100
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
N-Channel MOSFET Switch-On
Resistance
V
BST
 = 3.3V
0.3
?/DIV>
P-Channel MOSFET Switch-On
Resistance
V
BST
 = 3.3V
0.4
?/DIV>
N-Channel MOSFET Current Limit
l
700   850
mA
Maximum Duty Cycle
V
FBBST
 = 1.15V
l   85    90
%
Minimum Duty Cycle
V
FBBST
 = 1.3V
l
0
%
Switching Frequency
l   1.2    1.5    1.8    MHz
RUNBST Input High Voltage
l
0.9
V
RUNBST Input Low Voltage
l
0.3
V
RUNBST Input Current
RUNBST = 1.2V
0.8    2
Soft-Start Time
0.8
ms
PGBST Threshold, Falling
Referenced to Feedback Voltage
8
%
PGBST Hysteresis
Referenced to Feedback Voltage
3
%
PGBST Voltage Low
5mA Load
65
mV
PGBST Leakage Current
PGBST = 5.5V
0.01   10
ELECTRICAL CHARACTERISTICS: STEP-DOWN CONVERTER
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
Input Voltage Range
 
l   1.8         5.5
V
Output Voltage Adjust Range
l  0.61
5.5
V
Feedback Voltage
l
590   600   610
mV
Feedback Input Current
FBBK = 600mV
1    30
nA
Quiescent Current: Shutdown
Measured on V
INBK
, RUNBK = 0V, V
INBST
 = 0V, V
BST
 = 0V
Not Including Switch Leakage
0.01    1
Quiescent Current: Active
Measured on V
INBK
 (Note 4), RUNBST = 0V
240   350
Quiescent Current: Burst Mode Operation   Measured on V
INBK
, FBBK = 620mV, MODE = OPEN,
RUNBST = 0V
16    30
N-Channel MOSFET Switch Leakage Current  V
INBK
 = SWBK = 5V
0.1    5
P-Channel MOSFET Switch Leakage Current  SWBK = 0V, V
INBK
 = 5V
0.1    5
N-Channel MOSFET Switch-On Resistance  V
INBK
 = 3.3V
0.45
?/DIV>
P-Channel MOSFET Switch-On Resistance  V
INBK
 = 3.3V
0.55
?/DIV>
P-Channel MOSFET Current Limit
l
340   450
mA
Maximum Duty Cycle
FBBK < 590mV
l   100
%
Minimum Duty Cycle
FBBK > 610mV
l
0
%
Switching Frequency
l
1.2    1.5    1.8    MHz
 
The l denotes the
specifications which apply over the full operating temperature range. Extended commercial grade: 40癈 to 85癈, V
INBK
 = 3.3V,
T
A
 = 25癈, unless otherwise noted.
ELECTRICAL CHARACTERISTICS: STEP-UP CONVERTER
 
The l denotes the specifications
which apply over the full operating temperature range. Extended commercial grade: 40癈 to 85癈, V
INBST
 = 1.2V, V
BST
 = 3.3V,
T
A
 = 25癈, unless otherwise noted.
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