參數(shù)資料
型號： TPS62260IDRVRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PDSO6
封裝： 2 X 2 MM, 0.80 MM, GREEN, PLASTIC, SON-6
文件頁數(shù)： 28/31頁
文件大?。?/td> 1228K
代理商： TPS62260IDRVRQ1
SLVSA16A – AUGUST 2009 – REVISED FEBRUARY 2010
www.ti.com
TYPICAL CHARACTERISTICS
Table 1. Table of Graphs
FIGURE
Output Current VOUT = 1.8 V, Power Save Mode, MODE = GND
Output Current VOUT = 1.8 V, PWM Mode, MODE = VIN
Output Current VOUT = 3.3 V, PWM Mode, MODE = VIN
h
Efficiency
Output Current VOUT = 3.3 V, Power Save Mode, MODE = GND
Output Current
Output Current
at 25°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
at –40°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
at 85°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
Output Voltage Accuracy
at 25°C, VOUT = 1.8 V, PWM Mode, MODE = VIN
at –40°C, VOUT = 1.8 V, PWM Mode, MODE = VIN
at 85°C, VOUT = 1.8 V, PWM Mode, MODE = VIN
Typical Operation
PWM Mode, VOUT = 1.8 V
MODE Pin Transition From PFM to Forced PWM Mode at light load
Mode Transition
MODE Pin Transition From Forced PWM to PFM Mode at light load
Start-up Timing
Forced PWM Mode , VOUT = 1.5 V, 50 mA to 200 mA
Forced PWM Mode , VOUT = 1.5 V, 200 mA to 400 mA
PFM Mode to PWM Mode, VOUT = 1.5 V, 150 mA to 400 mA
PWM Mode to PFM Mode, VOUT = 1.5 V, 400 mA to 150 mA
Load Transient
PFM Mode, VOUT = 1.5 V, 1.5 mA to 50 mA
PFM Mode, VOUT = 1.5 V, 50 mA to 1.5 mA
PFM Mode to PWM Mode, VOUT = 1.8 V, 50 mA to 250 mA
PFM Mode to PWM Mode, VOUT = 1.5 V, 50 mA to 400 mA
PWM Mode to PFM Mode, VOUT = 1.5 V, 400 mA to 50 mA
PFM Mode, VOUT = 1.8 V, 50 mA
Line Transient
PFM Mode, VOUT = 1.8 V, 250 mA
PFM VOUT Ripple, VOUT = 1.8 V, 10 mA, L = 2.2mH, COUT = 10mF
Typical Operation
PFM VOUT Ripple, VOUT = 1.8 V, 10 mA, L = 4.7mH, COUT = 10mF
Shutdown Current into VIN
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Quiescent Current
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Static Drain Source On-State
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Resistance
6
Copyright 2009–2010, Texas Instruments Incorporated
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