參數(shù)資料
型號(hào)： LTC3404IMS8#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 1.5 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PDSO8
封裝： LEAD FREE, PLASTIC, MSOP-8
文件頁(yè)數(shù)： 9/16頁(yè)
文件大小： 204K
代理商： LTC3404IMS8#PBF
2
LTC3404
3404fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IVFB
Feedback Current
(Note 4)
●
430
nA
VFB
Regulated Output Voltage
(Note 4) 0
°C ≤ TA ≤ 85°C
0.784
0.8
0.816
V
(Note 4) – 40
°C ≤ TA ≤ 85°C
●
0.74
0.8
0.84
V
ΔVOVL
Output Overvoltage Lockout
ΔVOVL = VOVL – VFB
●
20
50
110
mV
ΔVFB
Reference Voltage Line Regulation
VIN = 2.65V to 6V (Note 4)
0.05
0.2
%/V
VLOADREG
Output Voltage Load Regulation
Measured in Servo Loop; VITH = 0.9V to 1.2V
●
0.1
0.5
%
Measured in Servo Loop; VITH = 1.6V to 1.2V
●
– 0.1
– 0.5
%
VIN
Input Voltage Range
●
2.65
6
V
IQ
Input DC Bias Current
(Note 5)
Pulse Skipping Mode
2.65V < VIN < 6V, VSYNC/MODE = 0V, IOUT = 0A
400
700
μA
Burst Mode Operation
VSYNC/MODE = VIN, IOUT = 0A
10
15
μA
Shutdown
VRUN = 0V, VIN = 6V
0
1
μA
fOSC
Oscillator Frequency
VFB = 0.8V
●
1.25
1.4
1.65
MHz
VFB = 0V
200
kHz
fSYNC
SYNC Capture Range
1.0
1.7
MHz
IPLL LPF
Phase Detector Output Current
Sinking Capability
fPLLIN < fOSC
●
6
20
40
μA
Sourcing Capability
fPLLIN > fOSC
●
–6
–20
–40
μA
RPFET
RDS(ON) of P-Channel MOSFET
ISW = 100mA
0.5
0.7
Ω
RNFET
RDS(ON) of N-Channel MOSFET
ISW = –100mA
0.6
0.8
Ω
IPK
Peak Inductor Current
VIN = 3.3V, VFB = 0.7V, Duty Cycle < 35%
0.8
1.0
1.25
A
ILSW
SW Leakage
VRUN = 0V, VSW = 0V or 6V, VIN = 6V
±0.01
±1
μA
VSYNC/MODE SYNC/MODE Threshold
VSYNC/MODE Rising
●
0.3
1.0
1.5
V
ISYNC/MODE
SYNC/MODE Leakage Current
±0.01
±1
μA
VRUN
RUN Threshold
VRUN Rising
●
0.3
0.7
1.5
V
IRUN
RUN Input Current
±0.01
±1
μA
(Note 1)
Input Supply Voltage (VIN)...........................– 0.3V to 7V
ITH, PLL LPF Voltage ................................–0.3V to 2.7V
RUN, VFB Voltages ...................................... – 0.3V to VIN
SYNC/MODE Voltage .................................. – 0.3V to VIN
SW Voltage (DC) .......................... – 0.3V to (VIN + 0.3V)
P-Channel MOSFET Source Current (DC) ........... 800mA
N-Channel MOSFET Sink Current (DC) ............... 800mA
Peak SW Sink and Source Current ........................ 1.5A
Operating Temperature Range (Note 2)
LTC3404E/LTC3404I ........................... –40
°C to 85°C
LTC3404MP ...................................... –55
°C to 125°C
Junction Temperature (Note 3) ............................ 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
The
● denotes specifications which apply over –40
°C to 85°C, otherwise specifications are TA = 25°C.
VIN = 3.6V unless otherwise specified.
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
ELECTRICAL CHARACTERISTICS
1
2
3
4
8
7
6
5
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
PLL LPF
SYNC/MODE
VIN
SW
RUN
ITH
VFB
GND
TJMAX = 125°C, θJA = 125°C/W
ORDER PART NUMBER
MS8 PART MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC3404EMS8
LTC3404IMS8
LTC3404MPMS8
LTKR
LTCJR
LTCXG
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
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