參數(shù)資料
型號(hào)： TPS62240DDC
廠(chǎng)商： Texas Instruments, Inc.
英文描述： 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
中文描述： 2.25兆赫300毫安降壓轉(zhuǎn)換器2x2SON/TSOT23包
文件頁(yè)數(shù)： 5/29頁(yè)
文件大?。?/td> 859K
代理商： TPS62240DDC
www.ti.com
PARAMETER MEASUREMENT INFORMATION
VIN
GND
EN
FB
SW
TPS62240DVR
R
1
R
2
V
OUT
MODE
C
4.7 F
IN
m
L
2.2 H
m
C
22 pF
1
C
10 F
OUT
m
L: LPS3015 2.2 H, 110 m
C
GRM188R60J475K 4.7 F Murata 0603 size
IN
OUT
GRM188R60J106M 10 F Murata 0603 size
C
W
m
m
TYPICAL CHARACTERISTICS
TPS62240, TPS62242, TPS62243
SLVS762B–JUNE 2007–REVISED SEPTEMBER 2007
Table of Graphs
FIGURE
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Figure 25
vs Output current, Power Save Mode
vs Output current, Forced PWM Mode
vs Output current
vs Output current
vs Output current, T
A
= 25
°
C, Mode = GND
vs Output current, T
A
= –40
°
C, Mode = GND
vs Output current, T
A
= 85
°
C, Mode = GND
vs Output current, T
A
= 25
°
C, Mode = V
I
vs Output current, T
A
= 85
°
C, Mode = GND
vs Output current, T
A
= –40
°
C, Mode = V
I
Efficiency
Output voltage accuracy
Startup timing
PWM Mode with V
O
= 1.8V
PFM Mode with V
O
= 1.8V
PFM Mode Ripple
1 mA to 50 mA with V
O
= 1.8V
20 mA to 200 mA with V
O
= 1.8V
50 mA to 200 mA with V
O
= 1.8V
I
O
= 50 mA, 3.6V to 4.2V
I
O
= 250 mA, 3.6V to 4.2V
PFM to PWM
PWM to PFM
vs Input Voltage, (T
A
= 85
°
C, T
A
= 25
°
C, T
A
= -40
°
C)
vs Input Voltage, (T
A
= 85
°
C, T
A
= 25
°
C, T
A
= -40
°
C)
Typical operation
PFM load transient
PFM line transient
Mode transition
Shutdown Current into VIN
Quiescent Current
Static Drain-Source On-State
Resistance
vs Input Voltage, (T
A
= 85
°
C, T
A
= 25
°
C, T
A
= -40
°
C)
Copyright 2007, Texas Instruments Incorporated
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Product Folder Link(s):
TPS62240 TPS62242 TPS62243
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參數(shù)描述
TPS62240DDCR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 300mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62240DDCRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 300mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62240DDCT 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 300mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62240DDCTG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 300mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62240DRVR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 300mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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