Datasheet

LTC3525-3/
LTC3525-3.3/LTC3525-5
2
3525fb
V
IN
, V
OUT
Voltage ........................................ – 0.3V to 6V
SW Voltage
................................................. – 0.3V to 6V
SW Voltage < 100ns
.................................... –0.3V to 7V
SHDN Voltage
............................................. –0.3V to 6V
Operating Temperature Range
(Notes 2, 5)
..............................................–40°C to 85°C
Storage Temperature Range
.................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
...................300°C
(Note 1)
The
l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
IN
= 1.2V, V
SHDN
= 1.2V, V
OUT
= 3V unless otherwise noted.
PARAMETER
CONDITIONS MIN TYP MAX UNITS
Input Start-Up Voltage 0.85 1 V
Output Voltage (Note 6)
l
2.91 3.00 3.09 V
Quiescent Current, V
OUT
SHDN = V
IN
(Note 4) 7 15 µA
Quiescent Current, V
IN
SHDN = V
IN
(Note 4) 0.5 3 µA
Quiescent Current, V
IN
– Shutdown SHDN = 0V, V
OUT
= 0V
Not Including Switch Leakage
0.1 1 µA
NMOS Switch Leakage Current V
IN
= V
OUT
= V
SW
= 5V, SHDN = 0V 0.1 1 µA
PMOS Switch Leakage Current V
IN
= V
SW
= 5V, V
OUT
= 0V, SHDN = 0V 0.1 3 µA
NMOS Switch On-Resistance (Note 3) 0.6 Ω
PMOS Switch On-Resistance (Note 3) 0.9 Ω
Peak Current Limit 0.4 0.45 A
SHDN Threshold Voltage 0.4 0.6 1 V
SHDN Input Current V
SHDN
= V
IN
or V
OUT
0.01 1 µA
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3525ESC6-3#PBF LTC3525ESC6-3#TRPBF LCDR 6-Lead Plastic SC70 –40°C to 85°C
LTC3525ESC6-3.3#PBF LTC3525ESC6-3.3#TRPBF LBTG 6-Lead Plastic SC70 –40°C to 85°C
LTC3525ESC6-5#PBF LTC3525ESC6-5#TRPBF LBWT 6-Lead Plastic SC70 –40°C to 85°C
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/
SHDN 1
GND 2
V
IN
3
6 SW
5 GND
4 V
OUT
TOP VIEW
SC6 PACKAGE
6-LEAD PLASTIC SC70
T
JMAX
= 125°C
θ
JA
= 256°C/W IN FREE AIR, θ
JA
= 150°C/W ON BOARD OVER GROUND PLANE
ELECTRICAL CHARACTERISTICS
(LTC3525-3)