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