參數(shù)資料
型號: LTC3816IUHF#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PQCC38
封裝: 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁數(shù): 23/44頁
文件大?。?/td> 753K
代理商: LTC3816IUHF#PBF
LTC3816
3816f
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3816EFE#PBF
LTC3816EFE#TRPBF
LTC3816FE
38-Lead Plastic eTSSOP
–40°C to 125°C
LTC3816IFE#PBF
LTC3816IFE#TRPBF
LTC3816FE
38-Lead Plastic eTSSOP
–40°C to 125°C
LTC3816EUHF#PBF
LTC3816EUHF#TRPBF
3816
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
LTC3816IUHF#PBF
LTC3816IUHF#TRPBF
3816
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
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/
elecTrical characTerisTics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Input and INTVCC Linear Regulator
VIN
VIN Supply Voltage Range
VINTVCC > VUVLO
l
4.5
36
V
IVIN
VIN Supply Current
Normal Mode
Shutdown
VBOOST = VINTVCC, fOSC = 400kHz (Note 4)
VRON = 0V
11
27
100
mA
A
INTVCC
Internal VCC Voltage
l
4.9
5.2
5.5
V
VINTVCC(LINE) Line Regulation
7.5V < VIN < 36V
±1.0
%
VINTVCC(LOAD) Load Regulation
Load = 0mA to 20mA
–0.25
–1.0
%
VEXTVCC
EXTVCC Switchover Voltage
EXTVCC Ramping Positive
4.25
4.50
4.75
V
VEXTVCC(HYS) EXTVCC Hysteresis
0.4
V
VEXTVCC(DROP) EXTVCC Voltage Drop
Load = 20mA, VEXTVCC = 5V
40
100
mV
VUVLO
INTVCC Undervoltage Reset
INTVCC Ramping Positive
3.7
3.9
4.1
V
Undervoltage Hystersis
0.4
V
Switcher Control Loop
VCC(CORE)
VCC(CORE) = (VCC(SEN) – VSS(SEN))
VCC(CORE) > 0.75V (Note 5)
0.5V ≤ VCC(CORE) ≤ 0.75V (Note 5)
0.3V ≤ VCC(CORE) < 0.5V (Note 5)
l
±0.75
±6
±10
%
mV
VCC(CORE)
VCC(CORE) Voltage Line Regulation
VIN = 7.5V to 36V (Note 5)
±0.002
%/V
AEA
Error Amplifier DC Gain
No load
80
dB
fBW
Error Amplifier Unity-Gain Bandwidth
(Note 6)
20
MHz
ICOMP
Error Amplifier Output Source Current
Error Amplifier Output Sink Current
VCOMP = 0V
VCOMP = 5V
5
–1.5
mA
IVCC(SEN)
VCC(SEN) Input Current
VISENN = VCC(SEN), 0V ≤ VCC(SEN) ≤ 1.5V
±30
A
IVSS(SEN)
VSS(SEN) Input Current
VSS(SEN) = 0V
–60
A
IVFB
VFB Input Current
0V ≤ VFB ≤ 2V
±0.1
A
IITCFB
ITCFB Input Current
0V ≤ VITCFB ≤ 1.5V
±0.1
A
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)
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