ltc3810 Linear Technology Corporation, ltc3810 Datasheet - Page 2

• Manufacturer Part Number: ltc3810
• Description: 100v Current Mode Synchronous Switching Regulator Controller
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LTC3810
Supply Voltages
(NDRV - INTV
SW, SENSE
I
SS/TRACK Voltage ....................................... –0.3V to 5V
PGOOD Voltage ............................................ –0.3V to 7V
V
PLL/LPF , FB Voltages ................................. –0.3V to 2.7V
TG, BG, INTV
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Notes 3, 7)........................ 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3810EG#PBF
LEAD BASED FINISH
LTC3810EG
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
= 10V, V
SYMBOL
Main Control Loop
INTV
I
I
V
(Note 1)
2
Q
BOOST
ON
FB
RNG
UVIN Voltages ........................................ –0.3V to 14V
INTV
(DRV
BOOST ................................................ –0.3V to 114V
BGRTN ....................................................... –5V to 0V
EXTV
Voltage ............................................... –0.3V to 100V
CC
, V
MODE/SYNC
ON
CC
CC
CC
, DRV
, MODE/SYNC, SHDN,
.................................................. –0.3V to 15V
- BGRTN), (BOOST - SW) ......... –0.3V to 14V
+
Voltage ................................... –1V to 100V
CC
CC
, EXTV
CC
= V
) Voltage ........................... –0.3V to 10V
PARAMETER
INTV
INTV
INTV
BOOST Supply Current
Feedback Voltage
...................................... –0.3V to 14V
SENSE
CC
CC
CC
TAPE AND REEL
LTC3810EG#TRPBF
TAPE AND REEL
LTC3810EG#TR
CC
Supply Voltage
Supply Current
Shutdown Current
+
= V
RMS Currents .................50mA
SENSE
–
= V
BGRTN
http://www.linear.com/leadfree/
= V
PART MARKING
PART MARKING
SW
http://www.linear.com/tapeandreel/
A
= 25°C, INTV
=0V, unless otherwise specifi ed.
CONDITIONS
SHDN > 1.5V, I
SHDN = 0V
(Note 5)
SHDN = 0V
(Note 4)
0°C to 85°C
–40°C to 85°C
The
l
denotes specifi cations which apply over the full operating
CC
NTVCC
PIN CONFIGURATION
= DRV
PACKAGE DESCRIPTION
28-Lead Plastic SSOP
PACKAGE DESCRIPTION
28-Lead Plastic SSOP
= 9.5V (Note 5)
CC
= V
BOOST
MODE/SYNC
SS/TRACK
PLL/LPF
PGOOD
SGND
SHDN
= V
V
UVIN
V
RNG
V
I
NC
NC
I
ON
ON
TH
FB
ON
T
JMAX
28-LEAD PLASTIC SSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= V
l
l
l
= 125°C, θ
RNG
G PACKAGE
TOP VIEW
0.796
0.794
0.792
= SHDN = UV
6.35
MIN
JA
= 100°C/W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
0.800
0.800
0.800
BOOST
TG
SW
SENSE
NC
NC
NC
SENSE
BGRTN
BG
DRV
INTV
EXTV
NDRV
TYP
240
270
TEMPERATURE RANGE
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
3
0
IN
CC
CC
CC
+
–
= V
0.804
0.806
0.806
EXTVCC
MAX
600
400
14
6
5
= V
UNITS
3810fa
NDRV
mA
μA
μA
μA
V
V
V
V