Datasheet
LTC3415
2
3415fa
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION
SV
IN
, PV
IN
Voltage ....................................... –0.3V to 6V
PLLLPF, PGOOD Voltages .............................–0.3V to V
IN
CLKIN, PHMODE, MODE Voltages ...............–0.3V to V
IN
CLKOUT Voltage .......................................... –0.3V to 2V
I
TH
, I
THM
, V
FB
, TRACK Voltages ....................–0.3V to V
IN
MGN, BSEL, RUN Voltages ..........................–0.3V to V
IN
SW Voltage (DC) ............................–0.3V to (V
IN
+ 0.3V)
Peak SW Sink and Source Current ............................15A
Operating Ambient Temperature
Range (Note 2) ......................................... –40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature .............................. –65°C to 125°C
(Note 1)
The
● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 3.3V unless otherwise specifi ed.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SV
IN
Signal Input Voltage Range 2.375 5.5 V
V
FB
Regulated Feedback Voltage (Note 3)
l
0.590 0.596 0.602 V
ΔV
FB
Reference Voltage Line Regulation V
IN
= 2.5V to 5.5V (Note 3) 0.15 0.3 %/V
V
LOADREG
Output Voltage Load Regulation Measured in Servo Loop, V
ITH
= 0.3V
Measured in Servo Loop, V
ITH
= 0.9V
l
l
0.1
–0.05
0.2
–0.2
%
%
ΔV
PGOOD
Power Good Range ±7 ±10 ±13 %
R
PGOOD
Power Good Pull-Down Resistance 1mA Load, V
IN
= 3.3V 25 40 Ω
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3415EUHF#PBF LTC3415EUHF#TRPBF 3415 38-Lead (5mm × 7mm) QFN Package –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
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/
13 14 15 16
TOP VIEW
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
39
8
7
6
5
4
3
2
1NC
SGND
PLLLPF
PV
IN
PV
IN
SW
SW
SW
SW
MODE
CLKIN
PHMODE
NC
TRACK
V
FB
PV
IN
PV
IN
SW
SW
SW
SW
PGOOD
BSEL
MGN
CLKOUT
RUN
PV
IN
PV
IN
SV
IN
I
THM
I
TH
PGND
PGND
PGND
PGND
PGND
PGND
PGND
23
22
21
20
9
10
11
12
T
JMAX
= 125°C, θ
JA
= 34°C/W, θ
JC
= 1.1°C/W
EXPOSED PAD (PIN 39) IS PGND
MUST BE SOLDERED TO PCB