3412EFE 데이터 시트보기 (PDF) - Linear Technology
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3412EFE Datasheet PDF : 20 Pages
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LTC3412
ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage ...................................– 0.3V to 6V
ITH, RUN, VFB Voltages ............................... – 0.3V to VIN
SYNC/MODE Voltages ................................ – 0.3V to VIN
SW Voltage ................................... – 0.3V to (VIN + 0.3V)
Peak SW Sink and Source Current ......................... 6.5A
Operating Temperature
Range (Note 2) ....................................... – 40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
SVIN 1
PGOOD 2
ITH 3
VFB 4
RT 5
SYNC/MODE 6
RUN/SS 7
SGND 8
16 PVIN
15 SW
14 SW
13 PGND
17
12 PGND
11 SW
10 SW
9 PVIN
FE PACKAGE
16-LEAD PLASTIC TSSOP
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 37.6°C/W, θJC = 10°C/W
ORDER PART NUMBER
FE PART MARKING
LTC3412EFE
LTC3412IFE
3412EFE
3412IFE
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
16 15 14 13
RUN/SS 1
12 PGOOD
SGND 2
17
11 SVIN
PVIN 3
10 PVIN
SW 4
9 SW
5678
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 34°C/W, θJC = 1°C/W
ORDER PART NUMBER
UF PART MARKING
LTC3412EUF
3412
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
SVIN
VFB
IFB
ΔVFB
VLOADREG
ΔVPGOOD
RPGOOD
IQ
Signal Input Voltage Range
Regulated Feedback Voltage
Voltage Feedback Leakage Current
Reference Voltage Line Regulation
Output Voltage Load Regulation
Power Good Range
Power Good Pull-Down Resistance
Input DC Bias Current
Active Current
Sleep
Shutdown
(Note 3)
VIN = 2.7V to 5.5V (Note 3)
Measured in Servo Loop, VITH = 0.36V
Measured in Servo Loop, VITH = 0.84V
(Note 4)
VFB = 0.78V, VITH = 1V
VFB = 1V, VITH = 0V
VRUN = 0V, VMODE = 0V
2.625
5.5
● 0.784 0.800 0.816
0.1
0.4
●
0.04
0.2
●
0.02
0.2
●
– 0.02 – 0.2
±7.5
±9
120
200
250 330
62
80
0.02
1
UNITS
V
V
μA
%/V
%
%
%
Ω
μA
μA
μA
3412fb
2
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