LTC3526 Linear Technology, LTC3526 Datasheet - Page 2

• Manufacturer Part Number: LTC3526
• Description: 500mA 1MHz Synchronous Step-Up DC/DC Converters
• Manufacturer: Linear Technology

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ABSOLUTE MAXIMUM RATINGS
LTC3526/LTC3526B
(Note 1)
V
SW Voltage
SHDN, FB Voltage ........................................ –0.3V to 6V
V
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range ................... –65°C to 150°C
ELECTRICAL CHARACTERISTICS
temperature range of –40°C to 85°C, otherwise specifi cations are at T
PARAMETER
Minimum Start-Up Input Voltage
Output Voltage Adjust Range
Feedback Pin Voltage
Feedback Pin Input Current
Quiescent Current—Shutdown
Quiescent Current—Active
Quiescent Current—Burst
N-Channel MOSFET Switch Leakage Current
P-Channel MOSFET Switch Leakage Current
N-Channel MOSFET Switch On Resistance
P-Channel MOSFET Switch On Resistance
N-Channel MOSFET Current Limit
Current Limit Delay to Output
Maximum Duty Cycle
Minimum Duty Cycle
Switching Frequency
SHDN Pin Input High Voltage
SHDN Pin Input Low Voltage
SHDN Pin Input Current
ORDER INFORMATION
LEAD FREE FINISH
LTC3526EDC#PBF
LTC3526BEDC#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
IN
OUT
DC ............................................................ –0.3V to 6V
Pulsed <100ns ......................................... –0.3V to 7V
Voltage ................................................... –0.3V to 6V
............................................................. –0.3V to 6V
TAPE AND REEL
LTC3526EDC#TRPBF
LTC3526BEDC#TRPBF
CONDITIONS
I
0°C to 85°C
V
V
Measured on V
Measured on V
V
V
V
V
(Note 3)
V
V
V
V
LOAD
FB
SHDN
SW
SW
OUT
OUT
FB
FB
SHDN
SHDN
http://www.linear.com/leadfree/
= 1.30V
= 1.15V
= 1.3V
= 5V
= 5V, V
PART MARKING
LCHW
LCNN
= 3.3V
= 3.3V
= 1mA
= 0V, Not Including Switch Leakage, V
= 1.2V
= 3.3V
http://www.linear.com/tapeandreel/
OUT
OUT
OUT
The
= 0V
, Nonswitching, LTC3526 Only
, FB > 1.230V
l
denotes the specifi cations which apply over the specifi ed operating
PIN CONFIGURATION
A
= 25°C. V
PACKAGE DESCRIPTION
6-Lead (2mm × 2mm) Plastic DFN
6-Lead (2mm × 2mm) Plastic DFN
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PC BOARD
IN
= 1.2V, V
OUT
= 0V
6-LEAD (2mm × 2mm) PLASTIC DFN
T
JMAX
GND
SW
V
OUT
IN
= 125°C, θ
1
2
3
l
l
l
l
l
l
= 3.3V unless otherwise noted.
DC PACKAGE
TOP VIEW
1.165
JA
MIN
500
7
1.7
1.6
0.7
0.9
85
= 60°C/W (NOTE 6)
6
5
4
1.195
V
FB
SHDN
0.85
0.01
TYP
250
700
0.1
0.1
0.4
0.6
0.3
60
90
OUT
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
1
9
1
1
1.225
MAX
5.25
5.25
500
1.3
0.3
50
18
10
1
1
5
0
1
2
UNITS
3526bfb
MHz
mA
nA
μA
μA
μA
μA
μA
μA
μA
ns
%
%
Ω
Ω
V
V
V
V
V
V