Datasheet

LTC3407-3
2
34073fb
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
V
IN
Voltages .................................................–0.3V to 6V
V
OUT1
, V
OUT2
Voltages ..................... –0.3V to V
IN
+ 0.3V
RUN1, RUN2 Voltages .................................–0.3V to V
IN
MODE/SYNC Voltage ....................................–0.3V to V
IN
SW1, SW2 Voltage ........................... –0.3V to V
IN
+ 0.3V
POR Voltage ................................................. –0.3V to 6V
Ambient Operating Temperature
Range (Note 2) ......................................... –40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range ...................– 65°C to 125°C
(Note 1)
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 3.6V, unless otherwise specifi ed. (Note 2)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Voltage Range
●
3.3 5.5 V
V
OUT1
Output Voltage (Note 3) 0°C ≤ T
A
≤ 85°C
–40°C ≤ T
A
≤ 85°C ●
1.764
1.755
1.8
1.8
1.836
1.836
V
V
V
OUT2
Output Voltage (Note 3) 0°C ≤ T
A
≤ 85°C
–40°C ≤ T
A
≤ 85°C ●
3.234
3.218
3.3
3.3
3.366
3.366
V
V
ΔV
LINE REG
Reference Voltage Line Regulation (Note 3) V
IN
= 3.3V to 5.5V (Channel 1)
V
IN
= 3.6V to 5.5V (Channel 2)
0.3 0.5 %/V
ΔV
LOAD REG
Output Voltage Load Regulation (Note 3) 0.5 %
I
S
Input DC Supply Current (Note 4)
Active Mode
Sleep Mode
Shutdown
V
OUT1
= 1.5V, V
OUT2
= 2.8V
V
OUT1
= 1.9V, V
OUT2
= 3.5V, MODE/SYNC = 3.6V
RUN = 0V, V
IN
= 5.5V, MODE/SYNC = 0V
700
40
0.1
950
60
1
μA
μA
μA
f
OSC
Oscillator Frequency V
OUT1
= 1.8V, V
OUT2
= 3.3V
●
1.8 2.25 2.7 MHz
f
SYNC
Synchronization Frequency 2.25 MHz
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
11
9
6
7
8
4
5
3
2
1
V
OUT2
RUN2
POR
SW2
MODE/
SYNC
V
OUT1
RUN1
V
IN
SW1
GND
T
JMAX
= 125°C, θ
JA
= 40°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB GND
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-3#PBF LTC3407EDD-3#TRPBF LCJB 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
ORDERING INFORMATION