參數(shù)資料
型號： TPS62672YFD
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.15 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, PBGA6
封裝： 0.40 MM HEIGHT, DSBGA-6
文件頁數(shù)： 30/34頁
文件大?。?/td> 1129K
代理商： TPS62672YFD
GND
A1
B1
C1
A2
B2
C2
FB
SW
MODE
VIN
EN
TPS6267x
CSP-6
(TOP VIEW)
MODE
C1
A2
B2
C2
A1
B1
VIN
EN
GND
FB
SW
TPS6267x
CSP-6
(BOTTOMVIEW)
SLVS952C
– APRIL 2010 – REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum values are at VI = 2.3V to 5.5V, VO = 1.8V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C; Circuit
of Parameter Measurement Information section (unless otherwise noted). Typical values are at VI = 3.6V, VO = 1.8V, EN =
1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IO = 0mA, Time from EXTCLK clock inactive to VO down
1.2
ms
CO = 4.7μF 6.3V 0402 (muRata GRM155R60J475M)
TPS62674
Shutdown time
IO = 0mA, Time from EXTCLK clock inactive to VO down
TPS62679
L = 1
μH DCR = 240mΩ 0603 (TY CKP1608S1R0)
600
μs
CO = 2.2μF 4V 0402 (TY AMK105BJ225MP)
PIN ASSIGNMENTS
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
FB
C1
I
Output feedback sense input. Connect FB to the converter
’s output.
VIN
A2
I
Power supply input.
This is the switch pin of the converter and is connected to the drain of the internal Power
SW
B1
I/O
MOSFETs.
This is the enable pin of the device. Connecting this pin to ground forces the device into
shutdown mode. Pulling this pin to VI enables the device. If an external clock (4MHz to 27MHz) is
EN
B2
I
detected the device will automatically power up. This pin must not be left floating and must be
terminated.
This is the mode selection pin of the device. This pin must not be left floating and must be
terminated.
MODE = LOW: The device is operating in regulated frequency pulse width modulation mode
MODE
A1
I
(PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load
currents.
MODE = HIGH: Low-noise mode enabled, regulated frequency PWM operation forced.
GND
C2
–
Ground pin.
Copyright
2010–2011, Texas Instruments Incorporated
5
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