LTC3410_15 Datasheet, PDF (2/16 Pages) Linear Technology – 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

LTC3410
ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage .................................. – 0.3V to 6V
RUN, V_FB Voltages ..................................... – 0.3V to V_IN
SW Voltage (DC) ......................... – 0.3V to (V_IN + 0.3V)
P-Channel Switch Source Current (DC) ............. 500mA
N-Channel Switch Sink Current (DC) ................. 500mA
Peak SW Sink and Source Current .................... 630mA
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Junction Temperature (Notes 3, 5) ...................... 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
TOP VIEW
RUN 1
GND 2
SW 3
6 V_FB
5 GND
4 V_IN
RUN 1
GND 2
SW 3
6 V_OUT
5 GND
4 V_IN
SC6 PACKAGE
6-LEAD PLASTIC SC70
T_JMAX = 125°C, θ_JA = 250°C/ W
SC6 PACKAGE
6-LEAD PLASTIC SC70
T_JMAX = 125°C, θ_JA = 250°C/ W
ORDER PART NUMBER
LTC3410ESC6
SC6 PART MARKING
LBSD
ORDER PART NUMBER
LTC3410ESC6-1.2
LTC3410ESC6-1.5
LTC3410ESC6-1.65
LTC3410ESC6-1.8
LTC3410ESC6-1.875*
SC6 PART MARKING
LCHV
LCNB
LCJF
LCNC
LCFQ
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges. *A separate data sheet is available for the LT3410-1.875.
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T_A = 25°C.
V_IN = 3.6V unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
I_VFB
Feedback Current
Adjustable Output Voltage
●
I_VOUT
Output Voltage Feedback Current Fixed Output Voltage
●
I_PK
Peak Inductor Current
V_IN = 3V, V_FB = 0.7V or V_OUT = 90%, Duty Cycle < 35%
V_FB
Regulated Feedback Voltage
Adjustable Output Voltage (LTC3410E)
●
∆V_FB
Reference Voltage Line Regulation V_IN = 2.5V to 5.5V
●
V_OUT
Regulated Output Voltage
LTC3410-1.2, I_OUT = 100mA
●
LTC3410-1.5, I_OUT = 100mA
●
LTC3410-1.65, I_OUT = 100mA
●
LTC3410-1.8, I_OUT = 100mA
●
LTC3410-1.875, I_OUT = 100mA
●
∆V_OUT Output Voltage Line Regulation V_IN = 2.5V to 5.5V
●
V_LOADREG Output Voltage Load Regulation I_LOAD = 50mA to 250mA
V_IN
Input Voltage Range
●
380
0.784
1.176
1.47
1.617
1.764
1.837
2.5
3.3
490
0.8
0.04
1.2
1.5
1.65
1.8
1.875
0.04
0.5
±30
6
0.816
0.4
1.224
1.53
1.683
1.836
1.913
0.4
5.5
2
UNITS
nA
µA
mA
V
%/V
V
V
V
V
V
%/V
%
V
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