LTC3101 Linear Technology, LTC3101 Datasheet - Page 2

• Manufacturer Part Number: LTC3101
• Description: Multi-Output DC/DC Converter and PowerPath Controller
• Manufacturer: Linear Technology

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ABSOLUTE MAXIMUM RATINGS
LTC3101
(Note 1)
V
V
Voltage (All Other Pins) ................................ –0.3V to 6V
Operating Temperature Range (Note 2).... –40°C to 85°C
Maximum Junction Temperature (Note 5)............. 125°C
Storage Temperature Range ................... –65°C to 150°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3101EUF#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
PARAMETER
Input Operating Voltage
Undervoltage Lockout Threshold
Input Quiescent Current in Standby
Input Quiescent Current in Burst Mode Operation
Oscillator Frequency
Buck Converter 1
Feedback Voltage (FB1 Pin)
Feedback Pin Input Current (FB1 Pin)
P-Channel Current Limit
Maximum Duty Cycle
2
temperature range, otherwise specifi cations are at T
otherwise noted.
BAT1
SW1
DC ............................................................ –0.3V to 6V
Pulsed (<100ns) ...................................... –1.0V to 7V
, V
, V
SW2
BAT2
, V
, V
SW3A
USB1
, V
, V
TAPE AND REEL
LTC3101EUF#TRPBF
SW3B
USB2
......................... –0.3V to 6V
CONDITIONS
Battery Powered
USB Powered
Battery Powered, V
USB Powered, V
V
All Converters Enabled, V
Battery Powered (Note 3)
USB Powered (Note 3)
PWRON
http://www.linear.com/leadfree/
PART MARKING
3101
http://www.linear.com/tapeandreel/
A
= 0V, V
= 25°C. V
The
PWRKEY
USB
BAT
l
Rising
USB1
denotes the specifi cations which apply over the full operating
Rising
= 3V
FB1
= V
PIN CONFIGURATION
= V
USB2
FB2
PACKAGE DESCRIPTION
24-Lead (4mm × 4mm) Plastic QFN
= V
= V
BAT1
FB3
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
PWRON
USB1
PWM
BAT1
SW1
SW2
= 0.66V
= V
24-LEAD (4mm 4mm) PLASTIC QFN
BAT2
1
2
3
4
5
6
24 23 22 21 20 19
7
T
= 3V and V
JMAX
8
UF PACKAGE
TOP VIEW
= 125°C, θ
l
l
l
l
l
l
l
9
25
10 11 12
MIN
1.02
583
440
440
100
OUT3
1.8
1.8
JA
= 37°C/W
= 3.3V, unless
18
17
16
15
14
13
TEMPERATURE RANGE
–40°C to 85°C
1.27
TYP
596
540
540
1.7
1.7
15
38
1
HSO
OUT3
USB2
SW3A
BAT2
RESET
MAX
1.52
609
5.5
5.5
1.8
1.8
50
UNITS
MHz
3101f
mV
mA
mA
μA
μA
nA
%
V
V
V
V