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LT3048 Datasheet(PDF) 3 Page - Linear Technology

Part # LT3048
Description  Low Noise Bias Generator in 2mm 2mm DFN
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3048 Datasheet(HTML) 3 Page - Linear Technology

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LT3048 Series
3
3048fa
For more information www.linear.com/LT3048
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, EN/UVLO = 3V, unless otherwise noted. Parameter applies
to all options unless specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Operating Range
2.7
4.8
V
Boost Regulator
BSTOUT-LDOOUT Regulation Voltage
l
1
1.1
1.2
V
BSTOUT-VIN Regulation Voltage
LDOOUT < VIN
1.1
V
VIN Quiescent Current
Not Switching
EN ≤ 0.4V
475
0.1
600
1
µA
µA
Switching Frequency
LT3048
l
0.75
0.7
1.00
1.00
1.25
1.30
MHz
MHz
LT3048-XX
l
1.7
1.6
2.2
2.2
2.7
2.8
MHz
MHz
Maximum Duty Cycle
LT3048
LT3048-XX
93
86
95
90
%
%
Switch Current Limit
(Note 3)
300
400
500
mA
Switch VCESAT
ISW = 200mA
220
mV
Diode Forward Drop
IDIODE = 100mA
0.84
V
EN Voltage High
1.25
V
EN Voltage Low
0.4
V
LDO Linear Regulator
LDO Quiescent Current
LT3048: Supplied by LDOIN
14
20
µA
LT3048-XX: Supplied by BSTOUT
14
20
µA
FB Pin Current
60
nA
FB Regulation Voltage
LT3048: ILOAD = 100µA, FB = LDOOUT
LT3048: 100µA ≤ ILOAD ≤ 40mA
l
1.216
1.210
1.235
1.235
1.254
1.260
V
V
FB Load Regulation
LT3048: ∆ILOAD = 100µA to 40mA
2
6
mV
LDOOUT Regulation Voltage
LT3048-15: ILOAD = 100µA
LT3048-15: 100µA ≤ ILOAD ≤ 40mA
l
14.775
14.625
15.00
15.00
15.225
15.375
V
V
LT3048-12: ILOAD = 100µA
LT3048-12: 100µA ≤ ILOAD ≤ 40mA
l
11.82
11.70
12.00
12.00
12.18
12.30
V
V
LT3048-5: ILOAD = 100µA
LT3048-5: 100µA ≤ ILOAD ≤ 40mA
l
4.925
4.875
5.00
5.00
5.075
5.125
V
V
LT3048-3.3: ILOAD = 100µA
LT3048-3.3: 100µA ≤ ILOAD ≤ 40mA
l
3.250
3.217
3.300
3.300
3.350
3.383
V
V
LDOOUT Load Regulation
LT3048-15: ∆ILOAD = 100µA to 40mA
20
45
mV
LT3048-12: ∆ILOAD = 100µA to 40mA
20
45
mV
LT3048-5: ∆ILOAD = 100µA to 40mA
12
25
mV
LT3048-3.3: ∆ILOAD = 100µA to 40mA
9
18
mV



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