Datasheet

LTC3532
2
3532fc
BURST, V
IN
, V
OUT
, V
C
, FB
...................................
–0.3V to 6V
R
T
..................................................................... 0V to 5V
SHDN/SS ..................................................... –0.3V to 6V
SW1, SW2
DC ............................................................ –0.3V to 6V
Pulsed < 100ns ........................................ –0.3V to 7V
Operating Temperature Range (Note 2).... –40°C to 85°C
(Note 1)
The
● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= V
OUT
= 3.6V, R
T
= 64.9k, unless otherwise specifi ed.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Start-Up Voltage
●
2.3 2.4 V
Input Operating Range
●
2.4 5.5 V
Output Voltage Adjust Range
●
2.4 5.25 V
Feedback Voltage
●
1.19 1.22 1.25 V
Feedback Input Current V
FB
= 1.22V 1 50 nA
Quiescent Current, Burst Mode Operation BURST = 0V 35 60 μA
Quiescent Current, Shutdown SHDN = 0V, Not Including Switch Leakage, V
OUT
= 0V 0.1 1 μA
Quiescent Current, Active V
C
= 0V, BURST = V
IN
(Note 3) 600 1000 μA
NMOS Switch Leakage Switches B and C 0.1 5 μA
ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
W
WW
U
PI CO FIGURATIO
UUU
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO PCB
T
JMAX
= 125°C
θ
JA
= 130°C/W 1 LAYER BOARD
θ
JA
= 100°C/W 4 LAYER BOARD
θ
JC
= 45°C/W
Maximum Junction Temperature (Note 4)............. 125°C
Storage Temperature Range
DD ..................................................... –65°C to 125°C
MSOP ................................................ –65°C to 150°C
Lead Temperature (Soldering,10 sec)
MSOP ............................................................... 300°C
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
V
C
FB
SHDN/SS
V
IN
V
OUT
R
T
BURST
SW1
SW2
GND
11
1
2
3
4
5
R
T
BURST
SW1
SW2
GND
10
9
8
7
6
V
C
FB
SHDN/SS
V
IN
V
OUT
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3532EDD#PBF LTC3532EDD#TRPBF LBXR 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LTC3532EMS#PBF LTC3532EMS#TRPBF LTBXS 10-Lead Plastic MSOP –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 I FOR ATIO
UUW