Datasheet
LTC3823
2
3823fd
ABSOLUTE MAXIMUM RATINGS
Supply Voltages
Input Supply Voltage V
IN
,
V
INSNS
....................................................–0.3V to 36V
DRV
CC
, (BOOST – SW) ............................–0.3V to 7V
BOOST ................................................... –0.3V to 42V
SENSE
+
, SW Voltage .................................–5V to 36V
TRACK/SS, FCB, Z0, Z1/SS
ENABLE
, Z2,
PLLIN, V
OUTSENSE
+
, V
OUTSENSE
–
Voltages .................................. –0.3V to (INTV
CC
+ 0.3)V
V
ON
, V
RNG
, PGOOD Voltages .. –0.3V to (INTV
CC
+ 0.3)V
V
DIFFOUT
................................................–0.3V to INTV
CC
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP NARROW
28
27
26
25
24
23
22
21
20
19
18
17
16
15
FCB
RUN
V
ON
PGOOD
V
RNG
V
FB
I
TH
SGND
I
ON
V
DIFFOUT
V
OUTSENSE
+
V
OUTSENSE
–
TRACK/SS
PLLFLTR
Z0
BOOST
TG
SW
SENSE
+
SENSE
–
PGND
BG
INTV
CC
Z2
Z1/SS
ENABLE
ZV
CC
V
IN
PLLIN
T
JMAX
= 125°C, θ
JA
= 80°C/W
32 31 30 29 28 27 26 25
9 10 11 12
TOP VIEW
33
SGND
UH PACKAGE
32-LEAD
(
5mm s 5mm
)
PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1V
RNG
V
FB
I
TH
SGND
I
ON
V
DIFFOUT
NC
V
OUTSENSE
+
SENSE
+
SENSE
–
PGND
BG
DRV
CC
INTV
CC
Z2
Z1/SS
ENABLE
PGOOD
V
ON
RUN
FCB
Z0
BOOST
TG
SW
V
OUTSENSE
–
NC
TRACK/SS
PLLFLTR
PLLIN
V
IN
V
INSNS
ZV
CC
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
RUN, I
ON
.................................................... –0.3V to 12V
PLLFLTR, I
TH
, V
FB
Voltages ...................... –0.3V to 2.7V
INTV
CC
, ZV
CC
Voltages ................................–0.3V to 7V
TG, BG, INTV
CC
Peak Currents ....................................4A
TG, BG, INTV
CC
RMS Currents ...............................50mA
Operating Temperature Range .................–40°C to 85°C
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range ..................–65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP ................................................................300°C
PIN CONFIGURATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3823EGN#PBF LTC3823EGN#TRPBF LTC3823EGN 28-Lead Plastic SSOP Narrow –40°C to 85°C
LTC3823IGN#PBF LTC3823IGN#TRPBF LTC3823IGN 28-Lead Plastic SSOP Narrow –40°C to 85°C
LTC3823EUH#PBF LTC3823EUH#TRPBF 3823
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3823IUH#PBF LTC3823IUH#TRPBF 3823
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
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/
ORDER INFORMATION