LTC3412
W W
U W
ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage ...................................–0.3V to 6V
ITH, RUN, VFB Voltages ...............................–0.3V to VIN
SYNC/MODE Voltages ................................–0.3V to VIN
SW Voltage ................................... –0.3V to (VIN + 0.3V)
Peak SW Sink and Source Current ......................... 6.5A
Operating Temperature
Range (Note 2) ....................................... –40°C to 85°C
Junction Temperature (Note 5)............................. 125°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
U
W
U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
TOP VIEW
1
2
3
4
5
6
7
8
PV
IN
16
15
14
13
12
11
10
9
SV
IN
SW
PGOOD
16 15 14 13
SW
I
TH
RUN/SS
SGND
1
2
3
4
12 PGOOD
PGND
PGND
SW
V
FB
17
11 SV
IN
IN
R
17
T
PV
IN
PV
10
9
SYNC/MODE
RUN/SS
SW
SW
SW
5
6
7
8
PV
IN
SGND
FE PACKAGE
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
16-LEAD PLASTIC TSSOP
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 37.6°C/W, θJC = 10°C/W
TJMAX = 125°C, θJA = 34°C/W, θJC = 1°C/W
ORDER PART NUMBER
LTC3412EFE
LTC3412IFE
Order Options Tape and Reel: Add #TR
FE PART MARKING
3412EFE
3412IFE
ORDER PART NUMBER
LTC3412EUF
UF PART MARKING
3412
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.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V unless otherwise specified.
SYMBOL
SV
PARAMETER
CONDITIONS
MIN
TYP
MAX
5.5
UNITS
V
Signal Input Voltage Range
Regulated Feedback Voltage
Voltage Feedback Leakage Current
Reference Voltage Line Regulation
Output Voltage Load Regulation
2.625
0.784
IN
V
(Note 3)
●
●
0.800
0.1
0.816
0.4
V
FB
I
μA
FB
ΔV
FB
V
= 2.7V to 5.5V (Note 3)
IN
0.04
0.2
%/V
V
Measured in Servo Loop, V = 0.36V
Measured in Servo Loop, V = 0.84V
●
●
0.02
–0.02
0.2
–0.2
%
%
LOADREG
ITH
ITH
ΔV
PGOOD
Power Good Range
±7.5
±9
%
R
PGOOD
Power Good Pull-Down Resistance
120
200
Ω
I
Input DC Bias Current
Active Current
Sleep
(Note 4)
Q
V
V
V
= 0.78V, V = 1V
250
62
0.02
330
80
1
μA
μA
μA
FB
FB
RUN
ITH
= 1V, V = 0V
ITH
Shutdown
= 0V, V
= 0V
MODE
3412fb
2
Linear [ Linear ]
