Datasheet
LTC3813
2
3813fb
Supply Voltages
INTV
CC
, DRV
CC
....................................... –0.3V to 14V
(DRV
CC
- BGRTN), (BOOST - SW).......... –0.3V to 14V
BOOST ................................................. –0.3V to 114V
BGRTN ........................................................ –5V to 0V
EXTV
CC
.................................................. –0.3V to 15V
(NDRV - INTV
CC
) Voltage ........................... –0.3V to 10V
SW, SENSE
+
Voltage ................................... –1V to 100V
I
OFF
Voltage .............................................. –0.3V to 100V
SS Voltage ................................................... –0.3V to 5V
PGOOD Voltage ............................................ –0.3V to 7V
V
RNG
, V
OFF
, SYNC, SHDN,
UVIN Voltages ........................................ –0.3V to 14V
PLL/LPF, FB Voltages ................................. –0.3V to 2.7V
TG, BG, INTV
CC
, EXTV
CC
RMS Currents .................50mA
Operating Temperature Range (Note 2)
LTC3813E ............................................. –40°C to 85°C
LTC3813I............................................ –40°C to 125°C
Junction Temperature (Notes 3, 7)........................ 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
The
l denotes specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C, INTV
CC
= DRV
CC
= V
BOOST
= V
OFF
= V
RNG
= SHDN = UV
IN
= V
EXTVCC
=
V
NDRV
= 10V, V
SYNC
= V
SENSE
+
= V
SENSE
–
= V
BGRTN
= V
SW
= 0V, unless otherwise specifi ed.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Main Control Loop
INTV
CC
INTV
CC
Supply Voltage
l
6.35 14 V
I
Q
INTV
CC
Supply Current
INTV
CC
Shutdown Current
SHDN > 1.5V, I
NTVCC
= 9.5V (Notes 4, 5)
SHDN = 0V
3
240
6
600
mA
μA
I
BOOST
BOOST Supply Current SHDN > 1.5V (Note 5)
SHDN = 0V
270
0
400
5
μA
μA
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
I
OFF
NC
NC
V
OFF
V
RNG
PGOOD
SYNC
I
TH
V
FB
PLL/LPF
SS
SGND
SHDN
UVIN
BOOST
TG
SW
SENSE
+
NC
NC
NC
SENSE
–
BGRTN
BG
DRV
CC
INTV
CC
EXTV
CC
NDRV
T
JMAX
= 125°C, θ
JA
= 100°C/W
PIN CONFIGURATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3813EG#PBF LTC3813EG#TRPBF LTC3813EG 28-Lead Plastic SSOP –40°C to 85°C
LTC3813IG#PBF LTC3813IG#TRPBF LTC3813IG 28-Lead Plastic SSOP –40°C to 125°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/
ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS