LTC3536_15 Datasheet, PDF (2/28 Pages) Linear Technology – 1A Low Noise, Buck-Boost DC/DC Converter

LTC3536
Absolute Maximum Ratings (Note 1)
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
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
Pin Configuration
TOP VIEW
RT 1
SGND 2
MODE/SYNC 3
SW1 4
SW2 5
11
PGND
10 VC
9 FB
8 SHDN
7 V_IN
6 V_OUT
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 39.7°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB
TOP VIEW
RT 1
SGND 2
MODE/SYNC 3
SW1 4
PGND 5
SW2 6
13
PGND
12 VC
11 FB
10 SHDN
9 V_IN
8 V_IN
7 V_OUT
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
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/
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.
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
Feedback Voltage
Feedback Pin Input Current (FB)
Quiescent Current, Burst Mode Operation
Quiescent Current, Shutdown (I_VIN)
V_IN Ramping Down
V_IN Ramping Up
0°C < T_J < 85°C (Note 5)
–40°C < T_J < 125°C
V_FB = 0.6V in Servo Loop, V_MODE/SYNC = 0V
V_FB = 0.7V, V_MODE/SYNC = V_IN
V_SHDN = 0V
l 1.6 1.67
l
1.75 1.8
0.594 0.6 0.606
l 0.591 0.6 0.609
50
32
42
0.1
1
V
V
V
V
nA
µA
µA
3536fa
2