參數資料
型號: LTC3412IFE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 6.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, PLASTIC, TSSOP-16
文件頁數: 12/20頁
文件大小: 214K
代理商: LTC3412IFE
LTC3412
2
3412fb
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
ORDER PART NUMBER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC3412EFE
LTC3412IFE
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
1
2
3
4
5
6
7
8
TOP VIEW
FE PACKAGE
16-LEAD PLASTIC TSSOP
16
15
14
13
12
11
10
9
SVIN
PGOOD
ITH
VFB
RT
SYNC/MODE
RUN/SS
SGND
PVIN
SW
PGND
SW
PVIN
17
FE PART MARKING
3412EFE
3412IFE
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 37.6°C/W, θJC = 10°C/W
Operating Temperature
Range (Note 2) ....................................... – 40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
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/
ORDER PART NUMBER
LTC3412EUF
UF PART MARKING
3412
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 34°C/W, θJC = 1°C/W
16 15 14 13
5
6
7
8
TOP VIEW
17
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
9
10
11
12
4
3
2
1
RUN/SS
SGND
PVIN
SW
PGOOD
SVIN
PVIN
SW
SYNC/MODE
R
T
V
FB
I TH
SW
PGND
SW
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
UNITS
SVIN
Signal Input Voltage Range
2.625
5.5
V
VFB
Regulated Feedback Voltage
(Note 3)
0.784
0.800
0.816
V
IFB
Voltage Feedback Leakage Current
0.1
0.4
μA
ΔVFB
Reference Voltage Line Regulation
VIN = 2.7V to 5.5V (Note 3)
0.04
0.2
%/V
VLOADREG
Output Voltage Load Regulation
Measured in Servo Loop, VITH = 0.36V
0.02
0.2
%
Measured in Servo Loop, VITH = 0.84V
– 0.02
– 0.2
%
ΔVPGOOD
Power Good Range
±7.5
±9%
RPGOOD
Power Good Pull-Down Resistance
120
200
Ω
IQ
Input DC Bias Current
(Note 4)
Active Current
VFB = 0.78V, VITH = 1V
250
330
μA
Sleep
VFB = 1V, VITH = 0V
62
80
μA
Shutdown
VRUN = 0V, VMODE = 0V
0.02
1
μA
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