參數(shù)資料
型號: LTC3816EFE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO38
封裝: LEAD FREE, PLASTIC, TSSOP-38
文件頁數(shù): 34/44頁
文件大?。?/td> 753K
代理商: LTC3816EFE#PBF
LTC3816
3816f
elecTrical characTerisTics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VBOOT
Core Supply Start-Up Voltage
VIMON = INTVCC (IMVP-6 Configuration)
VIMON < 1.1V (IMVP-6.5 Configuration)
1.2
1.1
V
VOVF
Overvoltage Fault Threshold
VIMON = INTVCC (IMVP-6 Configuration)
VIMON < 1.1V (IMVP-6.5 Configuration)
l
1.65
1.53
1.7
1.55
V
ISS
SS Pull-Up Current
VSS = 0V
–1
A
ICSLEW
CSLEW Pull-Up Current
VCSLEW = 0V
IMVP-6 and VDPRSLPVR = INTVCC
IMVP-6.5 or VDPRSLPVR = 0V
–10
–40
A
IRPTC
RPTC Source Current
RPTC = 0V
–90
–100
–110
A
VRPTC
RPTC Thermal Shutdown Threshold
0.47
V
IMAX
IMAX Source Current
VIMAX = 0V, 1× Current Limit Duration
VIMAX = 0V, 2× Current Limit Duration
l
–9
–10
–20
–11
A
tIMAX2×
2
× Current Limit Duration
2
× Current Limit Period
35
45
630
s
VILIM
Current Comparator Offset
VIMAX = 1.0V, VILIM = VISENP – VIMAX
±3
mV
VIREV
Reverse-Current Comparator Offset
VISENN = 1.0V, VIREV = VISENP – VISENN
±2
mV
IISENP
ISENP Input Current
0V ≤ VISENP ≤ 1.5V
±1
A
IISENN
ISENN Input Current
0V ≤ VISENN ≤ 1.5V
±20
A
VIMON
IMVP-6/IMVP-6.5 Selection Threshold
2.4
V
IVRON
Regulator On Source Current
VRON = 0V
–1
A
VRON
Regulator On Threshold
Regulator Power-Down Threshold
Rising Edge
Falling Edge
1.18
1.2
0.65
1.22
V
Oscillator and Drivers
fOSC
Oscillator Frequency
RFREQ Floats
VRFREQ = 0V
VRFREQ = 2.5V
375
180
530
400
210
580
425
240
640
kHz
fSYNC
Minimum Synchronization Input Frequency
Maximum Synchronization Input Frequency
550
150
kHz
VSYNC
MODE/SYNC Synchronization Threshold
1.6
V
IRFREQ
RFREQ Source Current
VRFREQ = 0V
–9
–10
–11
A
VMODE
MODE/SYNC Force Continuous Threshold
VIMON = INTVCC (IMVP-6 Configuration)
VIMON < 1.1V (IMVP-6.5 Configuration)
1.6
0.5
V
DCMAX
Maximum TG Duty Cycle
MODE/SYNC = 0, RFREQ Floats
90
%
tON(MIN)
TG Minimum Pulse Width
(Note 6)
35
ns
tDEAD
Driver Dead-Time
30
ns
TG RUP
TG Driver Pull-Up On-Resistance
TG High, IOUT = –100mA (Note 7)
2.6
Ω
TG RDOWN
TG Driver Pull-Down On-Resistance
TG Low, IOUT = 100mA (Note 7)
1.2
Ω
BG RUP
BG Driver Pull-Up On-Resistance
BG High, IOUT = –100mA (Note 7)
2.6
Ω
BG RDOWN
BG Driver Pull-Down On-Resistance
BG Low, IOUT = 100mA (Note 7)
0.9
Ω
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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