LTC3417(RevB) Ver la hoja de datos (PDF) - Linear Technology
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LTC3417 Datasheet PDF : 20 Pages
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LTC3417
ABSOLUTE AXI U RATI GS (Note 1)
VIN1, VIN2 Voltages ..................................... – 0.3V to 6V
MODE, SW1, SW2, RUN1,
RUN2, VFB1, VFB2, PHASE, FREQ,
ITH1, ITH2 Voltages ............. – 0.3V to (VIN1/VIN2 + 0.3V)
VIN1 – VIN2, VIN2 – VIN1 ......................................... 0.3V
PGOOD Voltage .......................................... – 0.3V to 6V
Operating Ambient Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Junction Temperature (Notes 7, 8) ...................... 125°C
Storage Temperature Range
DFN Package ................................... – 65°C to 125°C
TSSOP Package ............................... – 65°C to 150°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
RUN1 1
VIN1 2
ITH1 3
VFB1 4
VFB2 5
ITH2 6
RUN2 7
VIN2 8
16 PGND1
15 SW1
14 PHASE
13 GNDA
17
12 FREQ
11 PGOOD
10 SW2
9 MODE
DHC PACKAGE
16-LEAD (3mm × 5mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/ W
EXPOSED PAD (PIN 17) IS PGND2/GNDD
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LTC3417EDHC
DHC PART MARKING
3417
TOP VIEW
GNDD 1
20 GNDD
RUN1 2
19 PGND1
VIN1 3
ITH1 4
VFB1 5
VFB2 6
ITH2 7
RUN2 8
18 SW1
17 PHASE
16 GNDA
21
15 FREQ
14 PGOOD
13 SW2
VIN2 9
PGND2 10
12 MODE
11 PGND2
FE PACKAGE
20-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 38°C/ W
EXPOSED PAD (PIN 21) IS PGND2/GNDD
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.
ORDER PART
NUMBER
LTC3417EFE
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VIN = 3.6V unless otherwise specified. (Note 2)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VIN1, VIN2
IFB1, IFB2
VFB1, VFB2
∆VLINEREG
VLOADREG
gm(EA)
Operating Voltage Range
Feedback Pin Input Current
Feedback Voltage
Reference Voltage Line Regulation. %/V is the
Percentage Change in VOUT with a Change in VIN
Output Voltage Load Regulation
Error Amplifier Transconductance
VIN1 = VIN2
(Note 3)
(Note 3)
VIN = 2.25V to 5V (Note 3)
ITH1, ITH2 = 0.36V (Note 3)
ITH1, ITH2 = 0.84V (Note 3)
ITH1, ITH2(PINLOAD) = ±5µA (Note 3)
● 2.25
5.5
± 0.1
● 0.784 0.8 0.816
0.04
0.2
0.02
0.2
–0.02 –0.2
1400
UNITS
V
µA
V
%/V
%
%
µS
3417fb
2
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