LTC3410-1.875 LINER [Linear Technology], LTC3410-1.875 Datasheet - Page 2

• Manufacturer Part Number: LTC3410-1.875
• Description: 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70
• Manufacturer: LINER [Linear Technology]

ABSOLUTE AXI U RATI GS
LTC3410-1.875
(Note 1)
Input Supply Voltage .................................. – 0.3V to 6V
RUN, V
SW Voltage (DC) ......................... – 0.3V to (V
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
The
V
SYMBOL
I
I
V
∆V
V
V
V
I
f
R
R
I
V
I
Burst Mode is a registered trademark of Linear Technology Corporation.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings may
cause permanent damage to the device. Exposure to any Absolute Maximum
Rating condition for extended periods may affect device reliability and
lifetime.
Note 2: The LTC3410E-1.875 is guaranteed to meet performance
specifications from 0°C to 70°C. Specifications over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3: T
ELECTRICAL CHARACTERISTICS
2
VOUT
PK
S
OSC
LSW
RUN
OUT
LOADREG
IN
UVLO
RUN
IN
PFET
NFET
OUT
= 3.6V unless otherwise specified.
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
J
OUT
is calculated from the ambient temperature T
PARAMETER
Output Voltage Feedback Current
Peak Inductor Current
Regulated Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Input Voltage Range
Undervoltage Lockout Threshold
Input DC Bias Current
Oscillator Frequency
R
R
SW Leakage
RUN Threshold
RUN Leakage Current
Voltages................................... – 0.3V to V
DS(ON)
DS(ON)
Burst Mode
Shutdown
of P-Channel FET
of N-Channel FET
W
®
Operation
W W
CONDITIONS
V
V
I
V
V
(Note 4)
V
V
V
V
I
I
V
LOAD
SW
SW
IN
IN
IN
IN
OUT
RUN
OUT
OUT
RUN
A
and power
= 3V, V
= 2.5V to 5.5V
Rising
Falling
= 100mA
= –100mA
U
= 1.945V, I
= 1.875V
= 0V
= 0V
= 0V, V
= 50mA to 250mA
IN
OUT
+ 0.3V)
SW
= 1.64V, Duty Cycle < 35%
LOAD
= 0V or 5V, V
IN
= 0A
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
dissipation P
Note 4: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
Note 5: This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN
LTC3410-1.875: T
= 5V
RUN 1
GND 2
SW 3
T
JMAX
6-LEAD PLASTIC SC70
D
= 125°C, θ
according to the following formula:
SC6 PACKAGE
TOP VIEW
J
JA
= T
= 250°C/ W
http://www.linear.com/leadfree/
A
●
●
●
●
●
●
●
+ (P
6 V
5 GND
4 V
D
OUT
IN
)(250°C/W)
1.837
MIN
380
2.5
1.8
0.3
U
SC6 PART MARKING
LTC3410ESC6-1.875
±0.01
±0.01
1.875
0.04
1.94
2.25
0.75
0.55
TYP
500
310
3.3
0.1
26
0.5
2
1
ORDER PART
A
NUMBER
W
= 25°C.
LCFQ
1.913
MAX
0.4
5.5
2.3
2.7
0.9
0.7
1.5
±1
±1
35
6
1
34101875f
UNITS
U
MHz
%/V
kHz
mA
µA
µA
µA
µA
µA
%
Ω
Ω
V
V
V
V
V