ltc3528-2 Linear Technology Corporation, ltc3528-2 Datasheet - Page 2
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ltc3528-2
Manufacturer Part Number
ltc3528-2
Description
Ltc3528-2 - 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3528-2.pdf
(18 pages)
ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LTC3528-2
(Note 1)
V
SW Voltage
SHDN, FB Voltage ........................................ –0.3V to 6V
V
PGOOD ......................................................... –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 5) ............................................ –40°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range ................... –65°C to 125°C
junction temperature range, otherwise specifications are at T
PARAMETER
V
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
2
LEAD FREE FINISH
LTC3528EDDB-2#PBF
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/
IN
IN
OUT
DC ............................................................ –0.3V to 6V
Pulsed < 100ns ........................................ –0.3V to 7V
Range
Voltage ................................................... –0.3V to 6V
............................................................. –0.3V to 6V
TAPE AND REEL
LTC3528EDDB-2#TRPBF
CONDITIONS
Operating, Excluding Start-Up
I
T
(Note 7)
V
V
Measured on V
Measured on V
(Note 3)
V
LOAD
A
FB
SHDN
SW
SW
FB
= 0°C to 85°C
= 1.3V
= 1.15V
= 5V
= 5V, V
= 1mA
= 0V, Not Including Switch Leakage, V
PART MARKING
LDNZ
OUT
OUT
OUT
= 0V
, Nonswitching (Note 4)
, FB > 1.230V
The
A
= 25°C (Note 2). V
l
denotes the specifications which apply over the specified operating
PIN CONFIGURATION
PACKAGE DESCRIPTION
8-Lead (3mm × 2mm) Plastic DFN
OUT
IN
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
= 0V
= 1.2V, V
T
8-LEAD (3mm × 2mm) PLASTIC DFN
JMAX
PGOOD
SHDN
V
OUT
OUT
= 125°C, θ
FB
l
l
l
l
l
l
= 3.3V, unless otherwise noted.
1
2
3
4
DDB PACKAGE
TOP VIEW
JA
1.170
MIN
0.5
1.7
1.6
1.0
9
87
= 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
12
60
92
TEMPERATURE RANGE
–40°C to 125°C
1
1.230
MAX
0.88
5.25
5.25
500
5.5
50
20
10
10
1
UNITS
35282f
nA
µA
µA
µA
µA
µA
ns
%
Ω
Ω
V
V
V
V
V
A