Datasheet
LTC3810
2
3810fc
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
ON
Voltage ............................................... –0.3V to 100V
SS/TRACK Voltage ....................................... –0.3V to 5V
PGOOD Voltage ............................................ –0.3V to 7V
V
RNG
, V
ON
, MODE/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 Junction Temperature Range
(Notes 2, 3, 7) ........................................ –40°C to 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 (Note 2), INTV
CC
= DRV
CC
= V
BOOST
= V
ON
= V
RNG
= SHDN = UV
IN
=
V
EXTVCC
= V
NDRV
= 10V, V
MODE/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
V
FB
Feedback Voltage (Note 4)
0°C to 85°C
–40°C to 85°C
–40°C to 125°C
l
l
l
0.796
0.794
0.792
0.792
0.800
0.800
0.800
0.800
0.804
0.806
0.806
0.808
V
V
V
V
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
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
ON
NC
NC
V
ON
V
RNG
PGOOD
MODE/SYNC
I
TH
V
FB
PLL/LPF
SS/TRACK
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
= 80°C/W
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3810EG#PBF LTC3810EG#TRPBF LTC3810EG 28-Lead Plastic SSOP –40°C to 125°C
LTC3810IG#PBF LTC3810IG#TRPBF LTC3810IG 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/
ELECTRICAL CHARACTERISTICS
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