LTC3528B Linear Technology Corporation, LTC3528B Datasheet - Page 2

• Manufacturer Part Number: LTC3528B
• Description: 1MHz Synchronous Step-Up DC/DC Converters
• Manufacturer: Linear Technology Corporation

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ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LTC3528/LTC3528B
(Note 1)
V
SW Voltage
SHDN, FB Voltage ........................................ –0.3V to 6V
V
PGOOD ......................................................... –0.3V to 6V
Operating Temperature Range
(Notes 2, 5) .............................................. –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
temperature range of –40°C to 85°C, otherwise specifi cations are at T
PARAMETER
Minimum Start-Up Voltage
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current—Shutdown
Quiescent Current—Active
Quiescent Current—Burst
N-Channel MOSFET Switch Leakage Current V
P-Channel MOSFET Switch Leakage Current V
N-Channel MOSFET Switch On Resistance
P-Channel MOSFET Switch On Resistance
N-Channel MOSFET Current Limit
Current Limit Delay Time to Output
Maximum Duty Cycle
Minimum Duty Cycle
Frequency
2
LEAD FREE FINISH
LTC3528EDDB#PBF
LTC3528BEDDB#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:
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
LTC3528EDDB#TRPBF
LTC3528BEDDB#TRPBF
CONDITIONS
I
T
(Note 7)
V
V
Measured on V
Measured on V
(Note 3)
V
V
LOAD
A
FB
SHDN
SW
SW
FB
FB
= 0°C to 85°C
= 1.3V
= 1.15V
= 1.3V
= 5V
= 5V, V
= 1mA
= 0V, Not Including Switch Leakage, V
http://www.linear.com/leadfree/
PART MARKING
LCYD
LDDG
OUT
http://www.linear.com/tapeandreel/
OUT
OUT
= 0V
, Nonswitching (Note 4)
, FB > 1.230V
The
●
denotes the specifi cations which apply over the specifi ed operating
PIN CONFIGURATION
A
= 25°C. V
PACKAGE DESCRIPTION
8-Lead (3mm × 2mm) Plastic DFN
8-Lead (3mm × 2mm) Plastic DFN
OUT
IN
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
= 1.2V, V
= 0V
T
8-LEAD (3mm × 2mm) PLASTIC DFN
JMAX
PGOOD
SHDN
OUT
V
OUT
= 125°C, θ
FB
●
●
●
●
●
●
●
= 3.3V, unless otherwise noted.
1
2
3
4
DDB PACKAGE
TOP VIEW
JA
1.170
MIN
1.7
1.6
1.0
0.7
9
88
= 76°C/W (NOTE 6)
8
7
6
5
V
SGND
PGND
SW
1.200
0.175
0.250
IN
0.70
0.01
TYP
300
0.1
0.1
1.5
1.0
12
60
93
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
1
1.230
MAX
0.88
5.25
5.25
500
1.3
50
20
10
10
1
0
UNITS
3528fa
MHz
nA
μA
μA
μA
μA
μA
ns
%
%
Ω
Ω
V
V
V
V
A