Datasheet
LTC3562
2
3562fa
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3562EUD#PBF LTC3562EUD#TRPBF LCPV 20-Lead (3mm × 3mm) Plastic QFN –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/
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
IN
...............................................................–0.3V to 6V
RUN600A ...................................... –0.3V to (V
IN
+ 0.3V)
RUN400A ...................................... –0.3V to (V
IN
+ 0.3V)
FBx ............................................................... –0.3V to 6V
SWx .............................................................–0.3V to 6V
OUTx ............................................................–0.3V to 6V
DV
CC
, POR600A, SDA, SCL .........................–0.3V to 6V
I
SW400x
(DC) ........................................................600mA
I
SW600x
(DC) ........................................................850mA
Operating Temperature (Note 2)...............–40°C to 85°C
Storage Temperature Range ...................–65°C to 125°C
Junction Temperature (Note 3) ............................. 125°C
(Notes 1, 2)
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Input Voltage Range
l
2.7 5.5 V
V
IN
Input Current (Per Regulator Enabled) Pulse Skip Mode, I
OUT
= 0
Burst Mode Operation, I
OUT
= 0
Forced Burst Mode Operation, I
OUT
= 0
LDO Mode, I
OUT
= 0
Shutdown Mode, I
OUT
= 0, DV
CC
= 1.8V
220
35
25
24
0.7
60
40
40
3
μA
μA
μA
μA
μA
V
IN
Shutdown Current All Regulators in Shutdown, DV
CC
= 0V 0.1 1 μA
RUN600A, RUN400A Input High Threshold
l
1.0 V
RUN600A, RUN400A Input Low Threshold
l
0.3 V
RUN600A, RUN400A Input High Current RUNx = V
IN
–1 1 μA
RUN600A, RUN400A Input Low Current RUNx = 0V
–1 1 μA
POR600A Threshold Percentage of R600A’s Final Output Voltage –8 %
POR600A On-Resistance 16 40
Ω
POR600A Delay
231 ms
20 19 18 17 16
7 8
TOP VIEW
21
UD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC QFN
9 10
AGND
FB400A
OUT400B
SW400B
PGND
POR600A
FB600A
OUT600B
SW600B
PGND
SDA
SCL
DV
CC
RUN600A
RUN400A
SW400A
V
IN
V
IN
V
IN
SW600A
12
11
13
14
15
4
5
3
2
1
6
T
JMAX
= 125°C, θ
JA
= 68°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
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
= 3.8V, unless otherwise noted.