Datasheet
LTC3828
2
3828fc
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (V
IN
) ........................ 30V to –0.3V
Top Side Driver Voltages
BOOST1, BOOST2 ................................. 36V to –0.3V
Switch Voltage (SW1, SW2) ........................ 30V to –5V
INTV
CC
, DRV
CC
, RUN1, RUN2, (BOOST1-SW1),
(BOOST2-SW2) ........................................... 7V to –0.3V
SENSE1
+
, SENSE2
+
, SENSE1
–
,
SENSE2
–
Voltages ........................ (1.1)INTV
CC
to –0.3V
FCB/PLLIN, PLLFLTR, CLKOUT,
PHSMD Voltage .................................. INTV
CC
to –0.3V
TRCKSS1, TRCKSS2 ............................. INTV
CC
to –0.3V
(Note 1)
PGOOD ...................................................... 5.5V to –0.3V
I
TH1
, I
TH2
, V
OSENSE1
, V
OSENSE2
Voltages ... 2.7V to –0.3V
Peak Output Current <10µs (TG1, TG2, BG1, BG2) .... 3A
INTV
CC
Peak Output Current (Note 8) ................... 50mA
Operating Temperature Range (Note 7)
LTC3828E ............................................ –40°C to 85°C
Junction Temperature (Note 2) ............................ 125°C
Storage Temperature Range .................. –65°C to 125°C
Refl ow Peak Body Temperature (UH Package) ..... 260°C
Lead Temperature (Soldering, 10 sec)
G Package ......................................................... 300°C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLKOUT
PGOOD
BOOST1
TG1
SW1
V
IN
INTV
CC
PGND
BG1
BG2
SW2
TG2
BOOST2
RUN2
TRCKSS1
I
TH1
SENSE1+
SENSE1–
V
OSENSE1
PLLFLTR
RUN1
FCB/PLLIN
SGND
TRCKSS2
SENSE2
–
SENSE2
+
I
TH2
V
OSENSE2
T
JMAX
= 125°C, θ
JA
= 95°C/W
32 31 30 29 28 27 26 25
9 10 11 12 13
TOP VIEW
33
14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1V
OSENSE1
PLLFLTR
RUN1
PHSMD
FCB/PLLIN
SGND
TRCKSS2
NC
SW1
V
IN
INTV
CC
DRV
CC
PGND
BG1
BG2
SW2
SENSE1
–
SENSE1
+
I
TH1
TRCKSS1
CLKOUT
PGOOD
BOOST1
TG1
NC
SENSE2
–
SENSE2
+
I
TH2
V
OSENSE2
RUN2
BOOST2
TG2
UH PACKAGE
32-LEAD (5mm s 5mm) PLASTIC QFN
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3828EG#PBF LTC3828EG#TRPBF LTC3828EG 28-Lead Plastic SSOP –40°C to 85°C
LTC3828EUH#PBF LTC3828EUH#TRPBF 3828
32-Lead (5mm × 5mm) Plastic QFN
–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/