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| LTC3816_15 Datasheet, PDF (3/44 Pages) Linear Technology – Single-Phase Wide VIN Range DC/DC Controller for Intel IMVP-6/IMVP-6.5 CPUs | |||
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Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
LTC3816EFE#PBF
LTC3816EFE#TRPBF
LTC3816FE
38-Lead Plastic eTSSOP
LTC3816IFE#PBF
LTC3816IFE#TRPBF
LTC3816FE
38-Lead Plastic eTSSOP
LTC3816EUHF#PBF
LTC3816EUHF#TRPBF 3816
38-Lead (5mm à 7mm) Plastic QFN
LTC3816IUHF#PBF
LTC3816IUHF#TRPBF 3816
38-Lead (5mm à 7mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating junction temperature ranges.
*The temperature grade is identified by a label on the shipping container.
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/
LTC3816
TEMPERATURE RANGE
â40°C to 125°C
â40°C to 125°C
â40°C to 125°C
â40°C to 125°C
Electrical Characteristics The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, BSOURCE = EXTVCC = 0V, VRON = 5V, unless
otherwise noted. (Notes 2, 3)
SYMBOL PARAMETER
Supply Input and INTVCC Linear Regulator
VIN
VIN Supply Voltage Range
IVIN
VIN Supply Current
Normal Mode
Shutdown
INTVCC
Internal VCC Voltage
VINTVCC(LINE) Line Regulation
VINTVCC(LOAD) Load Regulation
VEXTVCC
EXTVCC Switchover Voltage
VEXTVCC(HYS) EXTVCC Hysteresis
VEXTVCC(DROP) EXTVCC Voltage Drop
VUVLO
INTVCC Undervoltage Reset
Undervoltage Hystersis
Switcher Control Loop
VCC(CORE)
VCC(CORE) = (VCC(SEN) â VSS(SEN))
âVCC(CORE)
AEA
fBW
ICOMP
IVCC(SEN)
IVSS(SEN)
IVFB
IITCFB
VCC(CORE) Voltage Line Regulation
Error Amplifier DC Gain
Error Amplifier Unity-Gain Bandwidth
Error Amplifier Output Source Current
Error Amplifier Output Sink Current
VCC(SEN) Input Current
VSS(SEN) Input Current
VFB Input Current
ITCFB Input Current
CONDITIONS
MIN
TYP
MAX UNITS
VINTVCC > VUVLO
l 4.5
36
V
VBOOST = VINTVCC, fOSC = 400kHz (Note 4)
VRON = 0V
11
mA
27
100
µA
l 4.9
5.2
5.5
V
7.5V < VIN < 36V
Load = 0mA to 20mA
±1.0
%
â0.25 â1.0
%
EXTVCC Ramping Positive
4.25
4.50
4.75
V
0.4
V
Load = 20mA, VEXTVCC = 5V
INTVCC Ramping Positive
40
100
mV
3.7
3.9
4.1
V
0.4
V
VCC(CORE) > 0.75V (Note 5)
l
0.5V ⤠VCC(CORE) ⤠0.75V (Note 5)
l
0.3V ⤠VCC(CORE) < 0.5V (Note 5)
l
VIN = 7.5V to 36V (Note 5)
±0.75
%
±6
mV
±10
mV
±0.002
%/V
No load
80
dB
(Note 6)
20
MHz
VCOMP = 0V
VCOMP = 5V
VISENN = VCC(SEN), 0V ⤠VCC(SEN) ⤠1.5V
VSS(SEN) = 0V
0V ⤠VFB ⤠2V
0V ⤠VITCFB ⤠1.5V
â1.5
mA
5
mA
±30
µA
â60
µA
±0.1
µA
±0.1
µA
3816f
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