Datasheet

LTC3406A
2
3406afa
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
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)
(Note 7) ................................................................800mA
N-Channel Switch Sink Current (DC) (Note 7) .....800mA
Peak SW Sink and Source Current (Note 7) .............1.3A
Operating Temperature Range (Note 2)
LTC3406AE ..............................................– 40°C to 85°C
LTC3406AI .............................................– 40°C to 125°C
Junction Temperature (Notes 3, 6)........................ 125°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
RUN 1
GND 2
SW 3
5 V
FB
4 V
IN
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
T
JMAX
= 125°C, θ
JA
= 250°C/W, θ
JC
= 90°C/W
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
VFB
Feedback Current
●
±30 nA
V
FB
Regulated Feedback Voltage (Note 4) LTC3406AE
(Note 4) LTC3406AI
●
●
0.5880
0.585
0.6
0.6
0.6120
0.615
V
V
∆V
FB
Reference Voltage Line Regulation V
IN
= 2.5V to 5.5V (Note 4) LTC3406AE
V
IN
= 2.5V to 5.5V (Note 4) LTC3406AI
●
●
0.04
0.04
0.4
0.6
%/V
%/V
I
PK
Peak Inductor Current V
IN
= 3V, V
FB
= 0.5V
Duty Cycle < 35%
0.75 1 1.25 A
V
LOADREG
Output Voltage Load Regulation 0.5 %
V
IN
Input Voltage Range
●
2.5 5.5 V
I
S
Input DC Bias Current
Active Mode
Sleep Mode
Shutdown
(Note 5)
V
FB
= 0V
V
FB
= 0.63V
V
RUN
= 0V, V
IN
= 5.5V
200
16
0.1
300
30
1
μA
μA
μA
f
OSC
Oscillator Frequency V
FB
= 0.6V
●
1.2 1.5 1.8 MHz
R
PFET
R
DS(ON)
of P-Channel FET I
SW
= 100mA 0.23 0.35 Ω
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 3.6V unless otherwise specifi ed.
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3406AES5#PBF LTC3406AES5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 85°C
LTC3406AIS5#PBF LTC3406AIS5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/