LTC3624_15 Datasheet, PDF (3/20 Pages) Linear Technology – 17V, 2A Synchronous Step-Down Regulator with 3.5A Quiescent Current

LTC3624/LTC3624-2
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3624EMSE-2#PBF
LTC3624EMSE-2#TRPBF
36242
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624IMSE-2#PBF
LTC3624IMSE-2#TRPBF
36242
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624HMSE-2#PBF
LTC3624HMSE-2#TRPBF
36242
12-Lead Plastic MSOP
–40°C to 150°C
LTC3624EDD-23.3#PBF LTC3624EDD-23.3#TRPBF LGRH
8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C
LTC3624IDD-23.3#PBF LTC3624IDD-23.3#TRPBF LGRH
8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C
LTC3624EMSE-23.3#PBF LTC3624EMSE-23.3#TRPBF 362423
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624IMSE-23.3#PBF LTC3624IMSE-23.3#TRPBF 362423
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624HMSE-23.3#PBF LTC3624HMSE-23.3#TRPBF 362423
12-Lead Plastic MSOP
–40°C to 150°C
LTC3624EDD-25#PBF
LTC3624EDD-25#TRPBF
LGRF
8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C
LTC3624IDD-25#PBF
LTC3624IDD-25#TRPBF
LGRF
8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C
LTC3624EMSE-25#PBF LTC3624EMSE-25#TRPBF 362425
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624IMSE-25#PBF LTC3624IMSE-25#TRPBF 362425
12-Lead Plastic MSOP
–40°C to 125°C
LTC3624HMSE-25#PBF LTC3624HMSE-25#TRPBF 362425
12-Lead Plastic MSOP
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
Electrical Characteristics The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T_J = 25°C. (Note 2) V_IN = 12V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
V_IN
Operating Voltage
V_OUT
Output Voltage Range
I_VIN
Input Quiescent Current
Shutdown Mode, V_RUN = 0V
Burst Mode Operation
Forced Continuous Mode (Note 3)
2.7
17
V
0.6
V_IN
V
0.1
1.0
µA
3.5
7
µA
1.8
mA
V_FB
Regulated Feedback Voltage
(Note 4)
0.594
0.6
0.606
V
l 0.591
0.6
0.609
V
V_OUT
Regulated Fixed Output Voltage
LTC3624-3.3/LTC3624-23.3 (Note 4)
3.267
3.3
3.333
V
l 3.250
3.3
3.350
V
LTC3624-5/LTC3624-25 (Note 4)
4.950
5.0
5.050
V
l 4.925
5.0
5.075
V
ΔV_LINE(REG)
ΔV_LOAD(REG)
I_LSW
Reference Voltage Line Regulation
Output Voltage Load Regulation
NMOS Switch Leakage
PMOS Switch Leakage
V_IN = 2.7V to 17V (Note 4)
(Note 4)
0.01
0.015
%/V
0.1
%
0.1
1
µA
0.1
1
µA
R_DS(ON)
D_MAX
t_ON(MIN)
V_RUN
NMOS On-Resistance
PMOS On-Resistance
Maximum Duty Cycle
Minimum On-Time
RUN Input High
RUN Input Low
V_IN = 5V
V_FB = 0.5V, V_MODE/SYNC = 1.5V
115
mΩ
200
mΩ
l
100
%
60
ns
1.0
V
0.35
V
I_RUN
RUN Input Current
V_RUN = 12V
0
100
nA
36242fc
For more information www.linear.com/LTC3624
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