LTC3805-5 Linear Technology, LTC3805-5 Datasheet - Page 2

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LTC3805-5

Manufacturer Part Number
LTC3805-5
Description
Adjustable Frequency Current Mode Flyback DC/DC Controller
Manufacturer
Linear Technology
Datasheet
www.datasheet4u.com
ABSOLUTE MAXIMUM RATINGS
PIN CONFIGURATION
ELECTRICAL CHARACTERISTICS
LTC3805-5
V
SYNC ........................................................... –0.3V to 6V
SSFLT ........................................................... –0.3V to 5V
FB, I
RUN ........................................................... –0.3V to 18V
OC, I
Lead Free Finish
TAPE AND REEL (MINI)
LTC3805EMSE-5#TRMPBF LTC3805EMSE-5#TRPBF
LTC3805IMSE-5#TRMPBF
LTC3805EDD-5#TRMPBF
LTC3805IDD-5#TRMPBF
TRM = 500 pieces. *Temperature grades are identifi ed by a label on the shipping container.
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
temperature range, otherwise specifi cations are at T
SYMBOL
V
V
V
V
V
ORDER INFORMATION
2
TURNON
TURNOFF
HYST
CLAMP1mA
CLAMP25mA
CC
Low Impedance Source ........................ –0.3V to 8.8V
Current Fed ........................................25mA into V
to GND
TH
SENSE
, FS ................................................. –0.3V to 3.5V
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND
.................................................... –0.3V to 1V
PARAMETER
V
V
V
V
V
SSFLT
CC
CC
CC
CC
CC
10-LEAD (3mm 3mm) PLASTIC DFN
RUN
I
TH
FB
FS
Turn-On Voltage
Turn-Off Voltage
Hysteresis
Shunt Regulator Voltage
Shunt Regulator Voltage
T
JMAX
TAPE AND REEL
LTC3805IMSE-5#TRPBF
LTC3805EDD-5#TRPBF
LTC3805IDD-5#TRPBF
1
2
3
4
5
= 125°C, θ
DD PACKAGE
TOP VIEW
11
JA
= 45°C/W
10
9
8
7
6
GATE
V
OC
I
SYNC
SENSE
CC
http://www.linear.com/leadfree/
PART MARKING*
LTDGX
LTDGX
LDHB
LDHB
http://www.linear.com/tapeandreel/
A
= 25°C, V
CONDITIONS
V
V
I
I
CC
CC
CC
CC
= 1mA, V
= 25mA, V
Rising
Falling
The
CC
(Note 1)
CC
*
denotes the specifi cations which apply over the full operating
RUN
= 5V, unless otherwise noted (Note 2).
RUN
= 0
Operating Temperature Range
Junction Temperature ........................................... 125°C
Storage Temperature Range ...................–65°C to 125°C
Lead Temperature (Soldering, 10 sec)
*LTC3805-5 internal clamp circuit regulates V
= 0
PACKAGE DESCRIPTION
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
E-Grade ................................................–40°C to 85°C
I-Grade ............................................... –40°C to 125°C
LTC3805EMSE-5 Only ....................................... 300°C
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND
SSFLT
RUN
I
TH
FB
FS
10-LEAD PLASTIC MSOP
T
1
2
3
4
5
JMAX
MSE PACKAGE
= 125°C, θ
TOP VIEW
11
MIN
3.75
4.3
8.8
8.9
JA
= 45°C/W
10
9
8
7
6
CC
GATE
V
OC
I
SYNC
3.95
0.55
9.25
TYP
SENSE
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
4.5
9.5
CC
voltage to 9.5V
MAX
4.15
9.65
4.7
9.9
UNITS
38055fa
V
V
V
V
V

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