参数资料
型号: LTC3100EUD#PBF
厂商: Linear Technology
文件页数: 4/26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: 121
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: 管件
LTC3100
4
3100fb
For more information www.linear.com/LTC3100
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
RUNBK Input High Voltage
l    0.9     
 
V
RUNBK Input Low Voltage
l
0.3
V
RUNBK Input Current
RUNBK = 1.2V
 
0.8    2
Soft-Start Time
1.3
ms
PGBK Threshold, Falling
Referenced to Feedback Voltage
8
%
PGBK Hysteresis
Referenced to Feedback Voltage
3
%
PGBK Voltage Low
5mA Load
65
mV
PGBK Leakage Current
PGBK = 5.5V
0.01   10
ELECTRICAL CHARACTERISTICS: STEP-DOWN CONVERTER
 
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: LDO REGULATOR
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
Input Voltage Range
 
l   1.8         5.25
V
Output Voltage Adjust Range
(Note 3)
l
0.618
5.25
V
Feedback Voltage
l
582   600   618
mV
Maximum Output Current
l   100   120
mA
Feedback Input Current
FBLDO = 600mV
1    30
nA
Line Regulation
V
IN
 = 3.3V to 5.25V
0.1
%/V
Load Regulation
From 10mA to 100mA Load
0.1
%
Dropout Voltage
I
OUT
 = 100mA
l
130   200
mV
Ripple Rejection (PSRR)
Frequency = 1.5MHz at I
LOAD
 = 50mA, C
OUT
 = 2.2礔 (Note 3)
35
dB
Short-Circuit Current Limit
FBLDO < 582mV
l
120   160
mA
Soft-Start Time
0.3
ms
RUNLDO Input High Voltage
l
0.9
V
RUNLDO Input Low Voltage
l
0.3
V
RUNLDO Input Current
RUNLDO = 1.2V
0.8    2
Quiescent CurrentActive
RUNLDO = 3.3V, Measured on V
BST
 
RUNBST = RUNBK = 0V, V
INBK
 = 0V
26    40
 
The l denotes the specifications which
apply over the full operating temperature range. Extended commercial grade: 40癈 to 85癈, V
BST
 = 3.3V, V
LDO
 = 3V, T
A
 = 25癈, unless
otherwise noted.
ELECTRICAL CHARACTERISTICS: COMMON CIRCUITRY
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
MODE Input High Voltage
 
l   0.9     
 
V
MODE Input Low Voltage
l
 
0.3
V
MODE Input Current
MODE = 0V
MODE = 5V
3.3
1.7
5
3
 
The l denotes the specifications
which apply over the full operating temperature range. Extended commercial grade: 40癈 to 85癈, V
BST
 or V
INBK
 = 3.3V, T
A
 = 25癈,
unless otherwise noted.
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