LTC3415 Datasheet, PDF (2/28 Pages) Linear Technology – 7A, PolyPhase Synchronous Step-Down Regulator

LTC3415
ABSOLUTE MAXIMUM RATINGS
(Note 1)
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
PIN CONFIGURATION
TOP VIEW
NC 1
SGND 2
PLLLPF 3
PV_IN 4
PV_IN 5
SW 6
SW 7
SW 8
SW 9
MODE 10
CLKIN 11
PHMODE 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 NC
30 TRACK
29 V_FB
28 PV_IN
27 PV_IN
26 SW
25 SW
24 SW
23 SW
22 PGOOD
21 BSEL
20 MGN
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
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
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3415EUHF#PBF
LTC3415EUHF#TRPBF 3415
38-Lead (5mm × 7mm) QFN Package
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
ELECTRICAL CHARACTERISTICS 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
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
ΔV_PGOOD
Output Voltage Load Regulation
Measured in Servo Loop, V_ITH = 0.3V
l
Measured in Servo Loop, V_ITH = 0.9V
l
0.1
0.2
%
–0.05 –0.2
%
Power Good Range
±7
±10
±13
%
R_PGOOD
Power Good Pull-Down Resistance
1mA Load, V_IN = 3.3V
25
40
Ω
3415fa
2