LTC3531-3 Linear Technology, LTC3531-3 Datasheet - Page 2

• Manufacturer Part Number: LTC3531-3
• Description: Buck-Boost Synchronous DC/DC Converters
• Manufacturer: Linear Technology

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ABSOLUTE AXI U RATI GS
temperature range, otherwise specifi cations are at T
LTC3531/
LTC3531-3.3/LTC3531-3
(Note 1)
V
SWA, SWB Voltage, <100ns Pulse ..................–0.3 to 7V
Operating Temperature Range (Note 2) ... –40°C to 85°C
PACKAGE/ORDER I
ELECTRICAL CHARACTERISTICS
PARAMETER
V
Minimum Startup Voltage
V
Output Voltage (3.3V Version)
Output Voltage (3V Version)
FB Voltage (Adj Version)
FB Input Current (Adj Version)
Operating Current
Quiescent Current in Sleep:
Shutdown Current
Switch Performance
NMOS Switch Leakage
PMOS Switch Leakage
NMOS B, C R
PMOS A R
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
2
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN
OUT
IN
ORDER PART NUMBER
, V
Regulation
OUT
LTC3531ES6-3.3
LTC3531ES6-3
DSON
, SWA, SWB, ⎯ S ⎯ H ⎯ D ⎯ N Voltage .............–0.3 to 6V
DSON
GND, PGND 2
W
http://www.linear.com/leadfree/
V
SW2 1
T
OUT
JMAX
6-LEAD PLASTIC TSOT-23
3
= 125°C, θ
S6 PACKAGE
W W
TOP VIEW
JA
U
= 102°C/W
S6 PART MARKING
FOR ATIO
6 SW1
5 V
4 SHDN
LTBWM
LTCBK
IN
W
V
OUT
V
V
IN
IN
U
A
= 25°C. V
CONDITIONS
No Load
No Load
No Load
V
V
V
⎯ S ⎯ H ⎯ D ⎯ N = 0V, V
Switches B and C
Switches A and D
V
V
FB
IN
OUT
IN
IN
The
= 5V, V
= 5V
= 5V
= 1.225V
= 3.6V
U
●
IN
denotes the specifi cations which apply over the full operating
OUT
= 3.6V V
OUT
= 3.6V, FB = 1.3V
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature (TS6, Soldering, 10 sec) .......... 300°C
ORDER PART NUMBER
= 0V
OUT
LTC3531EDD
LTC3531EDD-3.3
LTC3531EDD-3
= 3.3V unless otherwise noted.
EXPOSED PAD IS GND (PIN 9), MUST BE SOLDERED TO PCB
*NC FOR LTC3531-3.3V, LTC3531-3.0V.
SHDN
GND
SW1
8-LEAD (3mm × 3mm) PLASTIC DFN
V
IN
T
JMAX
1
2
3
4
●
●
●
●
= 125°C, θ
DD PACKAGE
TOP VIEW
9
3.25
2.95
1.20
MIN
JA
= 43°C/W
DD PART MARKING
8
7
6
5
1.225
1.65
3.32
3.02
TYP
0.2
0.2
0.5
0.5
16
PGND
SW2
V
FB*
1
6
OUT
LBVC
LBWH
LCBV
MAX
3.39
3.09
1.25
1.8
50
30
10
1
2
2
UNITS
3531f
µA
µA
µA
µA
nA
µA
Ω
Ω
V
V
V
V