參數(shù)資料
型號: TPS62262DRV
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.2 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, 0.80 MM HEIGHT, PLASTIC, SON-6
文件頁數(shù): 27/32頁
文件大?。?/td> 1304K
代理商: TPS62262DRV
www.ti.com
PIN ASSIGNMENTS
V
IN
GND
EN
SW
FB
1
2
3
5
4
DDCPACKAGE
(TOP VIEW)
DRV PACKAGE
(TOPVIEW)
MODE
FB
GND
SW
EN
VIN
1
2
3
6
5
4
r
Po
w
e
P
A
D
FUNCTIONAL BLOCK DIAGRAM
Zero-Pole
AMP.
Integrator
Error Amp .
PFMComp.
+1% Voltagepositioning
PWM
Comp.
VREF
Control
Stage
GateDriver
Anti
Shoot-Through
Current
LimitComparator
Current
LimitComparator
VREF +1%
FB
VIN
GND
MODE
2.25 MHz
Oscillator
SW1
EN
VIN
Softstart
VOUT RAMP
CONTROL
Thermal
Shutdown
Reference
0.6VVREF
Undervoltage
Lockout 1.8V
Limit
HighSide
Limit
LowSide
Sawtooth
Generator
Int. Resistor
Network
FB
R
I3
RI 1
RI..N
Mode
Onlyin 2x2SON
GND
SLVS763B – JUNE 2007 – REVISED FEBRUARY 2008
TERMINAL FUNCTIONS
TERMINAL
NO.
I/O
DESCRIPTION
NO.
NAME
SON
TSOT23-5
2x2-6
VIN
5
1
PWR
VIN power supply pin.
GND
6
2
PWR
GND supply pin
This is the enable pin of the device. Pulling this pin to low forces the device into shutdown
EN
4
3
I
mode. Pulling this pin to high enables the device. This pin must be terminated.
This is the switch pin and is connected to the internal MOSFET switches. Connect the
SW
1
5
OUT
external inductor between this terminal and the output capacitor.
Feedback Pin for the internal regulation loop. Connect the external resistor divider to this pin.
FB
3
4
I
In case of fixed output voltage option, connect this pin directly to the output capacitor
This pin is only available at SON package option. MODE pin = high forces the device to
MODE
2
I
operate in fixed frequency PWM mode. MODE pin = low enables the Power Save Mode with
automatic transition from PFM mode to fixed frequency PWM mode.
4
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS62260 TPS62261 TPS62262 TPS62263
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相關代理商/技術參數(shù)
參數(shù)描述
TPS62262DRVR 功能描述:直流/直流開關調節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62262DRVRG4 功能描述:直流/直流開關調節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62262DRVT 功能描述:直流/直流開關調節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62262DRVTG4 功能描述:直流/直流開關調節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62262TDRVRQ1 功能描述:直流/直流開關調節(jié)器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5