3800EFE データシートの表示（PDF） - Linear Technology
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3800EFE Datasheet PDF : 24 Pages
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LT3800
ABSOLUTE AXI U RATI GS(Note 1) PI
Supply Voltages
Input Supply Pin (VIN) .............................. –0.3V to 65V
Boosted Supply Pin (BOOST) ................... –0.3V to 80V
Boosted Supply Voltage (BOOST – SW) .. –0.3V to 24V
Boosted Supply Reference Pin (SW) ........... –2V to 65V
Local Supply Pin (VCC) ............................. –0.3V to 24V
Input Voltages
SENSE+, SENSE– ...................................... –0.3V to 40V
SENSE+ – SENSE– ......................................... –1V to 1V
BURST_EN Pin ......................................... –0.3V to 24V
Other Inputs (SHDN, CSS, VFB, VC) .......... –0.3V to 5.0V
Input Currents
SHDN, CSS ............................................... –1mA to 1mA
Maximum Temperatures
Operating Junction Temperature Range (Note 2)
LT3800E (Note 3) ............................. –40°C to 125°C
LT3800I ............................................ –40°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
CO FIGURATIO
VIN 1
NC 2
SHDN 3
CSS 4
BURST_EN 5
VFB 6
VC 7
SENSE– 8
TOP VIEW
16 BOOST
15 TG
14 SW
13 NC
17
12 VCC
11 BG
10 PGND
9 SENSE+
FE PACKAGE
16-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 17) IS SGND
MUST BE SOLDERED TO PCB
UW U
ORDER I FOR ATIO
LEAD FREE FINISH
LT3800EFE#PBF
LT3800IFE#PBF
TAPE AND REEL
LT3800EFE#TRPBF
LT3800IFE#TRPBF
PART MARKING
3800EFE
3800IFE
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 20V, VCC = BOOST = BURST_EN = 10V, SHDN = 2V,
SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V, CTG = CBG = 3300pF, unless otherwise noted.
SYMBOL
VIN
IVIN
VBOOST
2
PARAMETER
Operating Voltage Range (Note 4)
Minimum Start Voltage
UVLO Threshold (Falling)
UVLO Hysteresis
VIN Supply Current
VIN Burst Mode Current
VIN Shutdown Current
Operating Voltage
Operating Voltage Range (Note 5)
UVLO Threshold (Rising)
UVLO Hysteresis
CONDITIONS
VCC > 9V
VBURST_EN = 0V, VFB = 1.35V
VSHDN = 0V
VBOOST – VSW
VBOOST – VSW
VBOOST – VSW
MIN TYP MAX UNITS
●4
60
V
● 7.5
V
● 3.65 3.80 3.95
V
670
mV
20
µA
20
µA
●
8
15
µA
●
75
V
●
20
V
5
V
0.4
V
3800fb
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