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TPS40007 Datasheet

  • TPS40007

  • 低輸入 (2.25V-5.5V) 300kHz 頻率的同步降壓控制器，具有輸出驅(qū)...

  • 26頁

  • TI

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TPS40007
TPS40009
SLUS589A鈭?NOVEMBER 2003 鈭?REVISED MAY 2004
DESCRIPTION (continued)
The current-limit threshold is adjustable with a single resistor connected to the device. The TPS4000x
controllers implement a closed-loop soft start function. Startup ramp time is set by a single external capacitor
connected to the SS/SD pin. The SS/SD pin is also used for shutdown.
ORDERING INFORMATION
TA
鈭?0擄C to 85擄C
(1)
FREQUENCY
300 kHz
600 kHz
PACKAGED DEVICES MSOP
(1)
(DGQ)
TPS40007DGQ
TPS40009DGQ
The DGQ package is available taped and reeled. Add R suffix to device type (e.g.
TPS40007DGQR) to order quantities of 2,500 devices per reel and 80 units per tube.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(2)
TPS4000x
BOOT
COMP, FB, ILIM, SS/SD
Input voltage range, VIN
SW
SWT (SW transient < 50 ns)
VDD
Operating junction temperature range, TJ
Storage temperature, Tstg
VSW + 6.5
鈭?.3 to 6
鈭? to 10.5
鈭?
6
鈭?0 to 150
鈭?5 to 150
擄C
C
V
UNIT
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
(2) Stresses beyond those listed under 鈥渁bsolute maximum ratings鈥?may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated under 鈥渞ecommended operating conditions鈥?/div>
is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DGQ PACKAGE
(3)(4)
(TOP VIEW)
ILIM
FB
COMP
SS/SD
GND
1
2
3
4
5
10
9
8
7
6
BOOT
HDRV
SW
VDD
LDRV
ACTUAL SIZE
3,05mm x 4,98mm
(3)
(4)
See technical brief SLMA002 for PCB guidelines for PowerPAD packages.
PowerPADt heat slug should be connected to GND (pin 5).
2
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TPS40007 PDF文件相關(guān)型號

TPS40009

TPS40007相關(guān)型號PDF文件下載

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