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参数资料
| 型号： | TPS62700YZFR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, BGA8 |
| 封装： | LEAD FREE, WCSP-8 |
| 文件页数： | 20/25页 |
| 文件大小： | 856K |
| 代理商： | TPS62700YZFR |
PIN ASSIGNMENTS
A1
A2
A3
B3
C3
C2
C1
B1
CSP-8
TOP VIEW
PV
IN
AV
IN
EN
V
CON
FB
AGND
PGND
SW
A1
A2
A3
B3
C3
C2
C1
B1
CSP-8
BOTTOMVIEW
FB
AGND
PGND
SW
PV
IN
AV
IN
EN
V
CON
FUNCTIONAL BLOCK DIAGRAM
SW
Zero-Pole
Amp.
Integrator
Error Amp
.
PWM
Comp
.
VREF
Control
Stage
GateDriver
Anti
Shoot-Through
Through
Current
LimitComparator
Current
LimitComparator
2.0Mhz
Oscillator
Thermal
Shutdown
Limit
HighSide
Limit
LowSide
Sawtooth
Generator
FB
Gain
2.5
Clamp
Circuit
Softstart
VCON
EN
AVIN
PVIN
PGND
AGND
SLVS784B – DECEMBER 2007 – REVISED JUNE 2008................................................................................................................................................... www.ti.com
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO. CSP
PVIN
A1
PWR
VIN power supply input for the PMOSFET
AVIN
B1
PWR
VIN analog supply input for the internal analog circuitry
EN
C1
I
Enable input for the device. Set high for operation, low for shutdown. This pin must be terminated.
VCON
C2
I
Voltage control input. This pin controls the output voltage of the converter. The output voltage follows
VCON with a gain of 2.5 for 0.556 V ≤ VCON ≤ 1.208 V.
FB
C3
I
Analog Feedback Input Pin for the internal regulation loop. Connect this pin directly to the output
capacitor.
AGND
B3
I
Analog GND Pin for the internal analog circuitry.
PGND
A3
Power GND Pin for the NMOSFET
SW
A2
Switch Node to the internal PMOSFET and NMOSFET. Connect the external inductor between this pin
and the output capacitor.
4
Copyright 2007–2008, Texas Instruments Incorporated
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