Datasheet

LTC3816
2
3816f
absoluTe MaxiMuM raTings
Input Supply Voltage (V
IN
) ......................... –0.3V to 40V
Topside Driver Voltage (BOOST) ................ –0.3V to 46V
Switch Voltage (SW) ..................................... –5V to 40V
INTV
CC
, EXTV
CC
, (BOOST-SW) .................. –0.3V to 6V
I
SENN
, I
TCFB
, PREI
MON
, I
MON
, RPTC, VR
ON
, V
CC(SEN)
,
V
FB
, SS, VIDn, RFREQ, MODE/SYNC,
LFF, I
SENP
, I
MAX
.........................–0.3V to INTV
CC
+ 0.3V
PWRGD, CLKEN# ........................................ –0.3V to 6V
(Notes 1, 8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
TOP VIEW
FE PACKAGE
38-LEAD PLASTIC eTSSOP
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
I
SENN
I
TCFB
I
TC
PREI
MON
I
MON
RPTC
VR
ON
V
SS(SEN)
V
CC(SEN)
SERVO
V
FB
COMP
SS
DPRSLPVR
CSLEW
VID0
VID1
VID2
VID3
I
MAX
I
SENP
LFF
VRTT#
CLKEN#
PWRGD
SW
TG
BOOST
V
IN
EXTV
CC
INTV
CC
BG
BSOURCE
MODE/SYNC
RFREQ
VID6
VID5
VID4
39
GND
T
JMAX
= 125°C, θ
JA
= 29°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
13 14 15 16
TOP VIEW
39
GND
UHF PACKAGE
38-LEAD (5mm s 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1PREI
MON
I
MON
RPTC
VR
ON
V
SS(SEN)
V
CC(SEN)
SERVO
V
FB
COMP
SS
DPRSLPVR
CSLEW
CLKEN#
PWRGD
SW
TG
BOOST
V
IN
EXTV
CC
INTV
CC
BG
BSOURCE
MODE/SYNC
RFREQ
I
TC
I
TCFB
I
SENN
I
MAX
I
SENP
LFF VRTT#
VID0 VID1 VID2 VID3 VID4 VID5 VID6
23
22
21
20
9
10
11
12
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
pin conFiguraTion
DPRSLPVR, VRTT# .................................. –0.3V to 3.3V
V
SS(SEN)
, BSOURCE ................................. –0.3V to 0.3V
INTV
CC
RMS Output Current .................................50mA
Operating Junction Temperature Range
(Note 3) .................................................. –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
Lead Temperature (Soldering, 10sec)
e
T
SSOP ............................................................. 300°C