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參數(shù)資料
| 型號(hào)： | TPS62601YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6 |
| 封裝： | GREEN, DSBGA-6 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 785K |
| 代理商： | TPS62601YFFT |
PIN ASSIGNMENTS
GND
A1
B1
C1
A2
B2
C2
FB
SW
MODE
VIN
EN
TPS6260x
CSP-6
(TOP VIEW)
MODE
C1
A2
B2
C2
A1
B1
VIN
EN
GND
FB
SW
TPS6260x
CSP-6
(BOTTOMVIEW)
FUNCTIONAL BLOCK DIAGRAM
GateDriver
Anti
Shoot-Through
PowerSaveMode
SwitchingLogic
+
-
Frequency
Control
FB
R1
R2
SW
GND
Soft-Start
EN
VIN
CurrentLimit
Detect
Undervoltage
Lockout
BiasSupply
Bandgap
Thermal
Shutdown
NegativeInductor
CurrentDetect
VIN
MODE
V
= 0.8 V
REF
VREF
SLVS678 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com
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
EN
B2
I
shutdown mode. Pulling this pin to VI enables the device. 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
A1
I
MODE = LOW: The device is operating in fixed frequency pulse width modulation mode (PWM)
at high-load currents and in pulse frequency modulation mode (PFM) at light load currents.
MODE = HIGH: Low-noise mode enabled, fixed frequency PWM operation forced.
GND
C2
–
Ground pin.
4
Copyright 2008, Texas Instruments Incorporated
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