LTC3525-3.3 Linear Technology Corporation, LTC3525-3.3 Datasheet - Page 2

• Manufacturer Part Number: LTC3525-3.3
• Description: 400mA Micropower Synchronous Step-Up DC/DC Converter
• Manufacturer: Linear Technology Corporation

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ABSOLUTE AXI U RATI GS
LTC3525-3.3/LTC3525-5
(Note 1)
V
SW Voltage ................................................ – 0.3V to 6V
SW Voltage < 100ns ................................... – 0.3V to 7V
SHDN Voltage ............................................ – 0.3V to 6V
Operating Temperature Range
Storage Temperature Range ................ – 65°C to 125°C
Lead Temperature (Soldering, 10 sec)................. 300°C
The
V
PARAMETER
Input Start-Up Voltage
Output Voltage
Quiescent Current, V
Quiescent Current, V
Quiescent Current, V
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On Resistance
PMOS Switch On Resistance
Peak Current Limit
SHDN Threshold
SHDN Input Current
ELECTRICAL CHARACTERISTICS
2
IN
IN
(Notes 2, 5) ........................................ – 40°C to 85°C
, V
= 1.2V, V
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
OUT
Voltage........................................ – 0.3V to 6V
SHDN
OUT
IN
IN
= 1.2V, V
- Shutdown
W
OUT
W W
= 3.3V unless otherwise noted.
CONDITIONS
(Note 6)
SHDN = V
SHDN = V
SHDN = 0V, V
Not Including Switch Leakage
V
V
V
IN
IN
SHDN
= V
= V
U
= V
OUT
SW
IN
IN
IN
= 5V, V
= V
(Note 4)
(Note 4)
or V
(LTC3525-3.3)
OUT
SW
OUT
OUT
= 0V
= 5V, SHDN = 0V
= 0V, SHDN = 0V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
LTC3525ESC6-3.3
LTC3525ESC6-5
θ
JA
= 256°C/ W IN FREE AIR, θ
SHDN
GND
V
http://www.linear.com/leadfree/
IN
●
OVER GROUND PLANE
1
2
3
6-LEAD PLASTIC SC70
T
SC6 PACKAGE
JMAX
TOP VIEW
3.20
MIN
0.4
0.4
= 125°C
JA
U
= 150°C/ W ON BOARD
SC6 PART MARKING
0.85
3.30
0.45
0.01
TYP
6
5
4 V
0.5
0.1
0.1
0.1
0.5
0.8
0.6
7
SW
GND
OUT
LBTG
LBWT
W
A
MAX
3.40
= 25°C.
15
1
3
1
1
3
1
1
UNITS
U
3525f
µA
µA
µA
µA
µA
µA
Ω
Ω
V
V
A
V