60v Current Mode Synchronous Step-up Controller

Linear Technology Corporation

find LTC3814-5 datasheet
LTC3814-5 pinout,LTC3814-5 pin diagram
LTC3814-5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PACKAGE/ORDER INFORMATION
TOP VIEW
I
OFF
V
OFF
V
RNG
PGOOD
I
TH
V
FB
RUN/SS
SGND
1
2
3
4
5
6
7
8
17
16 BOOST
15 TG
14 SW
13 PGND
12 BG
11 INTV
CC
10 EXTV
CC
9
NDRV
Supply Voltages
INTV
CC
................................................... –0.3V to 14V
(INTV
CC
– PGND), (BOOST – SW) ......... –0.3V to 14V
BOOST (Continuous) ............................. –0.3V to 85V
BOOST (≤400ms) .................................. –0.3V to 95V
EXTV
CC
.................................................. –0.3V to 15V
(EXTV
CC
– INTV
CC
).................................. –12V to 12V
(NDRV – INTV
CC
) Voltage........................... –0.3V to 10V
SW Voltage (Continuous).............................. –1V to 70V
SW Voltage (400ms) ..................................... –1V to 80V
I
OFF
Voltage (Continuous) .......................... –0.3V to 70V
I
OFF
Voltage (400ms) ................................. –0.3V to 80V
RUN/SS Voltage ........................................... –0.3V to 5V
PGOOD Voltage ............................................ –0.3V to 7V
V
RNG
, V
OFF
Voltages ................................... –0.3V to 14V
FB Voltage ................................................. –0.3V to 2.7V
TG, BG, INTV
CC
, EXTV
CC
RMS Currents .................50mA
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Notes 3, 7)........................ 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
FE PACKAGE
16-LEAD PLASTIC TSSOP
T
JMAX
= 125°C,
θ
JA
= 38°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 85°C
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/
The
l
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, INTV
CC
= V
BOOST
= V
RNG
= V
EXTVCC
= V
NDRV
= V
OFF
= 5V, unless
otherwise specified.
SYMBOL
Main Control Loop
INTV
CC
I
Q
I
BOOST
INTV
CC
Supply Voltage
INTV
CC
Supply Current
INTV
CC
Shutdown Current
BOOST Supply Current
RUN/SS > 1.5V (Note 5)
RUN/SS = 0V
(Note 5)
RUN/SS = 0V
l
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
4.35
TYP
MAX
14
UNITS
V
mA
μA
μA
μA
38145fa
3
224
240
0
6
600
400
5
2