参数资料
型号: TPS650240RHBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 4/35页
文件大小: 955K
代理商: TPS650240RHBT
TYPICAL CHARACTERISTICS
Parameter Measurement Information
SLVS774B – JUNE 2007 – REVISED JULY 2009 .............................................................................................................................................................. www.ti.com
Graphs were taken using the EVM with the following inductor/output capacitor combinations:
OUTPUT CAPACITOR
CONVERTER
INDUCTOR
OUTPUT CAPACITOR
VALUE
DCDC1
VLCF4020-3R3
C2012X5R0J226M
22
F
DCDC2
VLCF4020-2R2
C2012X5R0J226M
22
F
DCDC3
LPS3010-222
C2012X5R0J226M
22
F
Table of Graphs
FIGURE
η
Efficiency VDCDC1
vs Load current PWM/PFM; VO = 3.3V
η
Efficiency VDCDC1
vs Load current PWM; VO = 3.3V
η
Efficiency VDCDC2
vs Load current PWM/PFM; VO = 1.8V
η
Efficiency VDCDC2
vs Load current PWM; VO = 1.8V
η
Efficiency VDCDC3
vs Load current PWM/PFM; VO = 1.3V
η
Efficiency VDCDC3
vs Load current PWM; VO = 1.3V
Line transient response VDCDC1
Line transient response VDCDC2
Line transient response VDCDC3
Load transient response VDCDC1
Load transient response VDCDC2
Load transient response VDCDC3
Output voltage ripple DCDC2; PFM mode
Output voltage ripple DCDC2; PWM mode
Load regulation for Vdd_alive
Start-up VDCDC1 to VDCDC3
Start-up LDO1 and LDO2
12
Copyright 2007–2009, Texas Instruments Incorporated
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