LTC3100
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VINBST and VINBK Voltage ............................... –0.3 to 6V
SWBST, SWBK DC Voltage.............................. –0.3 to 6V
SWBST, SWBK Pulsed (< 100ns) Voltage....... –0.3 to 7V
FBBST, FBBK, FBLDO, PGBST, PGBK Voltage.. –0.3 to 6V
MODE, RUNBST, RUNBK, RUNLDO Voltage.... –0.3 to 6V
VBST, VLDO...................................................... –0.3 to 6V
Operating Temperature (Notes 2, 5)..........–40°C to 85°C
Storage Temperature Range....................–65°C to 125°C
PIN CONFIGURATION
TOP VIEW
16 15 14 13
SWBST 1
12 FBBST
VBST 2
VLDO 3
SWBK 4
11 FBLDO
17
10 RUNLDO
9 FBBK
5678
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
TJMAX = 125°C, θJA = 68°C/W, 4-LAYER BOARD
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB (NOTE 6)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3100EUD#PBF
LTC3100EUD#TRPBF
LDJR
16-Lead (3mm × 3mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
ELECTRICAL CHARACTERISTICS: STEP-UP CONVERTER The l denotes the specifications
which apply over the full operating temperature range. Extended commercial grade: –40°C to 85°C, VINBST = 1.2V, VBST = 3.3V,
TA = 25°C, unless otherwise noted.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Minimum Start-Up Voltage
ILOAD = 1mA
l
0.65 0.90
V
Input Voltage Range
After Start-Up (Minimum Voltage Is Load Dependent)
l 0.5
5
V
Output Voltage Adjust Range
l 1.5
5.25
V
Feedback Voltage
l 1.182 1.200 1.218
V
Feedback Input Current
FBBST = 1.2V
1
50
nA
Quiescent Current (VIN): Shutdown RUNBST = 0V, Not Including Switch Leakage, VBST = 0V, VINBK = 0V
0.01
1
µA
Quiescent Current: Active
Quiescent Current: Burst Mode
Operation
Measured on VBST (Note 4), RUNBK = 0V, RUNLDO = 0V
Measured on VBST, FBBST > 1.25V
MODE = 1V, RUNLDO = 0V
MODE = 1V, RUNLDO = 1V
300
500
µA
15
25
µA
28
45
µA
N-Channel MOSFET Switch Leakage SWBST = 5V, VBST= 5V
Current
0.1
5
µA
P-Channel MOSFET Switch Leakage SWBST = 0V, VBST = 5V
Current
0.1
10
µA
3100fb
2
For more information www.linear.com/LTC3100