LTC3532_15 Datasheet, PDF (2/16 Pages) Linear Technology – Micropower Synchronous Buck-Boost DC/DC Converter

LTC3532
ABSOLUTE AXI U RATI GS (Note 1)
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
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
PI CO FIGURATIO
TOP VIEW
R_T 1
BURST 2
SW1 3
SW2 4
GND 5
10 V_C
9 FB
11
8 SHDN/SS
7 V_IN
6 V_OUT
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 43°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO PCB
TOP VIEW
R_T 1
BURST 2
SW1 3
SW2 4
GND 5
10 V_C
9 FB
8 SHDN/SS
7 V_IN
6 V_OUT
MS PACKAGE
10-LEAD PLASTIC MSOP
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
UW U
ORDER I FOR ATIO
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3532EDD#PBF
LTC3532EDD#TRPBF
LBXR
10-Lead (3mm × 3mm) Plastic DFN
LTC3532EMS#PBF
LTC3532EMS#TRPBF
LTBXS
10-Lead Plastic MSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_IN = V_OUT = 3.6V, R_T = 64.9k, unless otherwise specified.
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
Quiescent Current, Burst Mode Operation
Quiescent Current, Shutdown
Quiescent Current, Active
NMOS Switch Leakage
V_FB = 1.22V
BURST = 0V
SHDN = 0V, Not Including Switch Leakage, V_OUT = 0V
V_C = 0V, BURST = V_IN (Note 3)
Switches B and C
1
50
nA
35
60
μA
0.1
1
μA
600 1000
μA
0.1
5
μA
3532fc
2