Datasheet
2
LTC3413
3413fb
FE PACKAGE
16-LEAD PLASTIC TSSOP
EXPOSED PAD (PIN 17)
MUST BE SOLDERED TO SGND
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
SV
IN
PGOOD
I
TH
V
FB
R
T
V
REF
RUN/SS
SGND
PV
IN
SW
SW
PGND
PGND
SW
SW
PV
IN
17
(Note 1)
SV
IN
, PV
IN
Supply Voltages ........................ –0.3V to 6V
I
TH
, RUN/SS, V
FB
, PGOOD Voltages ........... – 0.3V to V
IN
V
REF
Voltage .............................................. – 0.3V to V
IN
SW Voltage .................................. –0.3V to (V
IN
+ 0.3V)
Peak SW Sink and Source Current ........................ 7.2A
Operating Ambient Temperature Range
(Note 2) .............................................. – 40°C to 85°C
Junction Temperature (Notes 5, 8) ...................... 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
LTC3413EFE
LTC3413IFE
T
JMAX
= 125°C, θ
JA
= 38°C/ W, θ
JC
= 10°C/ W
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
FE PART
MARKING
3413EFE
3413IFE
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
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/
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Input Voltage Range 2.25 5.5 V
V
FB
Feedback Voltage Accuracy (Note 3) ● ±1%
I
FB
Voltage Feedback Leakage Current 0.4 μA
I
RUN
RUN/SS Leakage Current 1 μA
ΔV
FB
Feedback Voltage Line Regulation V
IN
= 2.7V to 5.5V (Note 3) ● 0.04 0.2 %/V
V
LOADREG
Feedback Voltage Load Regulation Measured in Servo Loop, V
ITH
= 0.36V ● 0.02 0.2 %
Measured in Servo Loop, V
ITH
= 0.84V ● – 0.02 – 0.2 %
ΔV
PGOOD
Power Good Range ±10 ±12 %
R
PGOOD
Power Good Pull-Down Resistance 120 200 Ω
I
Q
Input DC Bias Current (Note 4)
Active Current V
FB
= 1.5V, V
ITH
= 1.4V, V
REF
= 2.5V 250 330 μA
Shutdown V
RUN
= 0V (Note 7) 0.02 1 μA
f
OSC
Switching Frequency R
OSC
= 309k 0.88 1.00 1.12 MHz
Switching Frequency Range (Note 6) 0.30 2.00 MHz
R
PFET
R
DS(ON)
of P-Channel FET I
SW
= 300mA 85 110 mΩ
R
NFET
R
DS(ON)
of N-Channel FET I
SW
= 300mA 65 90 mΩ
I
LIMIT
Peak Current Limit 3.8 5.4 A
V
UVLO
Undervoltage Lockout Threshold 1.75 2 2.25 V
I
LSW
SW Leakage Current V
RUN
= 0V, V
IN
= 5.5V (Note 7) 0.1 1 μA
V
RUN
RUN Threshold 0.5 0.65 0.8 V
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3.3V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS