LTC3783EDHDTR 查看數據表（PDF） - Linear Technology
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LTC3783EDHDTR Datasheet PDF : 24 Pages
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LTC3783
ABSOLUTE AXI U RATI GS (Note 1)
VIN, SENSE, FBP, FBN Voltages ................ – 0.3V to 42V
INTVCC Voltage ........................................... – 0.3V to 9V
INTVCC Output Current ........................................ 75mA
GATE Output Current ................................ 50mA (RMS)
PWMOUT Output Current ......................... 25mA (RMS)
VREF Ouput Current ................................................ 1mA
GATE, PWMOUT Voltages ..... –0.3V to (VINTVCC + 0.3V)
ITH, ILIM, SS Voltages .............................. – 0.3V to 2.7V
RUN, SYNC, PWMIN Voltages .................... – 0.3V to 7V
FREQ, VREF, OV/FB Voltages .....................– 0.3V to 1.5V
Operating Junction Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Junction Temperature (Note 3) ............ – 40°C to 125°C
Storage Temperature Range
DFN Package ................................... – 65°C to 125°C
TSSOP Package ............................... – 65°C to 150°C
Lead Temperature (Soldering, 10sec)
TSSOP Package ............................................... 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
FBN 1
FBP 2
ILIM 3
VREF 4
FREQ 5
SYNC 6
PWMIN 7
PWMOUT 8
16 RUN
15 ITH
14 OV/FB
13 SS
17
12 SENSE
11 VIN
10 INTVCC
9 GATE
ORDER PART
NUMBER
LTC3783EDHD
DHD PART MARKING
3783
DHD PACKAGE
16-LEAD (5mm × 4mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/ W
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
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/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
FBN 1
FBP 2
ILIM 3
VREF 4
FREQ 5
SYNC 6
PWMIN 7
PWMOUT 8
16 RUN
15 ITH
14 OV/FB
13 SS
17
12 SENSE
11 VIN
10 INTVCC
9 GATE
FE PACKAGE
16-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 38°C/ W
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LTC3783EFE
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 12V, VRUN = 1.5V, VSYNC = 0V, VFBP = VREF, RT = 20k, unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
Main Control Loop/Whole System
VIN
IQ
VRUN+
VRUN–
VRUN(HYST)
Input Voltage Range
Input Voltage Supply Current
Continuous Mode
Shutdown Mode
Rising RUN Input Threshold Voltage
Falling RUN Input Threshold Voltage
RUN Pin Input Threshold Hysteresis
(Note 4)
VOV/FB = 1.5V, VITH = 0.75V
VRUN = 0V
3
36
1.223
1.5
20
1.348
1.248
100
1.273
2
UNITS
V
mA
µA
V
V
mV
3783f
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