Datasheet

LTC3536
2
3536fa
absoluTe MaxiMuM raTings
V
IN
, V
OUT
, (SV
IN
, PV
IN
) Voltage .................... –0.3V to 6V
SW1, SW2 Voltage
DC ............................................................ –0.3V to 6V
Pulsed (<100ns) ........................................ –1.0V to 7V
VC, RT, FB, SHDN Voltage ............................ –0.3V to 6V
MODE/SYNC Voltage ................................... –0.3V to 6V
(Note 1)
TOP VIEW
11
PGND
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
VC
FB
SHDN
V
IN
V
OUT
RT
SGND
MODE/SYNC
SW1
SW2
T
JMAX
= 125°C, θ
JA
= 39.7°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
RT
SGND
MODE/SYNC
SW1
PGND
SW2
12
11
10
9
8
7
VC
FB
SHDN
V
IN
V
IN
V
OUT
TOP VIEW
13
PGND
MSE PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 13) IS PGND MUST BE SOLDERED TO PCB
FOR RATED THERMAL PERFORMANCE AND LOAD REGULATION
pin conFiguraTion
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
IN
= 3.3V, V
OUT
= 3.3V, R
T
= 100kΩ unless otherwise noted.
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3536EDD#PBF LTC3536EDD#TRPBF LFZD
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3536IDD#PBF LTC3536IDD#TRPBF LFZD
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3536EMSE#PBF LTC3536EMSE#TRPBF 3536 12-Lead Plastic MSOP –40°C to 125°C
LTC3536IMSE#PBF LTC3536IMSE#TRPBF 3536 12-Lead Plastic MSOP –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Operating Range
l
1.8 5.5 V
Output Voltage Adjust Range
l
1.8 5.5 V
Undervoltage Lockout Threshold V
IN
Ramping Down
V
IN
Ramping Up
l
l
1.6 1.67
1.75 1.8
V
V
Feedback Voltage 0°C < T
J
< 85°C (Note 5)
–40°C < T
J
< 125°C
l
0.594
0.591
0.6
0.6
0.606
0.609
V
V
Feedback Pin Input Current (FB) V
FB
= 0.6V in Servo Loop, V
MODE/SYNC
= 0V 50 nA
Quiescent Current, Burst Mode Operation V
FB
= 0.7V, V
MODE/SYNC
= V
IN
32 42 µA
Quiescent Current, Shutdown (I
VIN
) V
SHDN
= 0V 0.1 1 µA
Operating Junction Temperature Range
(Notes 2, 3) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSE .................................................................. 300°C