參數(shù)資料
型號(hào): LTC3617EUDD#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 14 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件頁數(shù): 12/20頁
文件大?。?/td> 471K
代理商: LTC3617EUDD#PBF
LTC3617
2
3617fa
absolute MaxiMuM ratings
PVIN, SVIN Voltages ..................................... –0.3V to 6V
SW Voltage ................................. –0.3V to (PVIN + 0.3V)
ITH, RT, SYNC Voltages .............. –0.3V to (SVIN + 0.3V)
VTTR, RUN, VFB Voltages ........... –0.3V to (SVIN + 0.3V)
VDDQIN, PGOOD Voltages........................... –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 8)............................................ –40°C to 125°C
Storage Temperature.............................. –65°C to 150°C
(Note 1)
TOP VIEW
25
PGND
UDD PACKAGE
24-LEAD (3mm
× 5mm) PLASTIC QFN
RT
SGND
VTTR
PVIN
SW
SYNC
RUN
SVIN
PVIN
SW
NC
PV
IN
PV
IN
NC
VDDQIN
ITH
V FB
PGOOD
6
5
4
3
2
1
7
8
15
16
17
18
19
20
14
13
9 10 11 12
24 23 22 21
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
pin conFiguration
orDer inForMation
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3617EUDD#PBF
LTC3617EUDD#TRPBF
LFXC
24-Lead (3mm
× 5mm) Plastic QFN
–40°C to 125°C
LTC3617IUDD#PBF
LTC3617IUDD#TRPBF
LFXC
24-Lead (3mm
× 5mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
electrical characteristics The
l
denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at TA = 25°C. PVIN = SVIN = 3.3V, RT = SVIN unless otherwise specified (Notes 1, 2, 8).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Operating Range
l
2.25
5.5
V
VUVLO
Undervoltage Lockout Threshold
SVIN Ramping Down
SVIN Ramping Up
l
1.7
2.2
V
VOVLO
Overvoltage Lockout Threshold
SVIN Ramping Up
Hysteresis
6.5
250
7
V
mV
VTTR
VTTR Output Voltage with Line and Load
Regulation
VDDQIN = 1.5V, Load = ±10mA
l
0.49 VDDQIN 0.5 VDDQIN 0.51 VDDQIN
V
VTTR Maximum Output Current
±10
mA
VFB
Feedback Voltage Accuracy
VDDQIN = 1.5V (Note 3)
l
VTTR – 10
VTTR
VTTR + 10
mV
IFB
Feedback Input Current
VFB = 0.75V
l
±30
nA
相關(guān)PDF資料
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