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LTC3101EUF-TRPBF Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3101EUF-TRPBF
Description  Wide VIN, Multi-Output DC/DC Converter and PowerPath Controller
Download  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3101EUF-TRPBF Datasheet(HTML) 4 Page - Linear Technology

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LTC3101
4
3101fb
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VUSB1 = VUSB2 = VBAT1 = VBAT2 = 3V and VOUT3 = 3.3V, unless
otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
N-Channel Switch Leakage
VSW3A,B = VUSB1,2 = VBAT1,2 = VOUT3 = 5.5V
0.1
5
μA
P-Channel Switch Leakage
VSW3A,B = 0V, VUSB1,2 = VBAT1,2 = VOUT3 = 5.5V
0.1
10
μA
Power Good Threshold
VFB3 Falling
l
–11.5
–8.5
–5.5
%
Power Good Hysteresis
2.5
%
MAX Output
Current Limit
VMAX = 2.0V
l
200
300
mA
Switch Resistance
From BAT2 to MAX
From USB2 to MAX
0.890
0.930
Ω
Ω
Load Dependent Supply Current
1.0
μA/mA
LDO Output
Output Voltage
ILDO = 1mA
l
1.755
1.800
1.845
V
Current Limit
VLDO = 1.0V
l
50
110
mA
Line Regulation
Input Voltage (VMAX) = 1.8V to 5.5V, ILDO = 1mA
0.1
%
Load Regulation
ILDO = 1mA to 50mA
0.9
%
Reverse Current in Shutdown
VBAT1,2 = VUSB1,2 = 0V, VLDO = 1.8V
0.1
1
μA
Load Dependent Supply Current
12
μA/mA
Dropout Voltage
VMAX = 1.75V, ILDO = 10mA
25
mV
Hot Swap Output
Switch Resistance
0.730
Ω
Switch Current Limit
VHSO = 2.0V
l
100
150
mA
Pushbutton Logic and μP Reset Generator
PBSTAT Deglitching Duration
15
24
ms
PBSTAT Low Voltage
IPBSTAT = 1mA
20
50
mV
RESET Low Voltage
IRESET = 1mA
20
50
mV
CRS Pin Charging Current
0.9
1.0
1.1
μA
CRS Pin Threshold Voltage
VCRS Rising
1.176
1.200
1.224
V
Logic Inputs
PWRKEY, PWRON, PWM Input Logic Threshold
l
0.3
0.7
1.0
V
PWRKEY Pull-Up Resistance
400
PWRON Pull-Down Resistance
4.0
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3101 is guaranteed to meet performance specifications
from 0°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are ensured by design, characterization and correlation
with statistical process controls.
Note 3: Current measurements are performed when the LTC3101 is
not switching. The current limit values measured in operation will be
somewhat higher due to the propagation delay of the comparators.
Note 4: The LTC3101 is tested in a proprietary non-switching test mode
that internally connects the error amplifiers in a closed-loop configuration.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.


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