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參數(shù)資料
| 型號： | TPS62229DDC |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.88 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | PLASTIC, TSOT-23, 5 PIN |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 664K |
| 代理商： | TPS62229DDC |
PIN ASSIGNMENTS
3
2
4
5
1
VI
GND
EN
SW
FB
SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009....................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
VI = 3.6 V, VO = 1.8 V, IO = 200 mA, EN = VIN, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Line regulation
VI = 2.5 V to 6 V, IO = 10 mA
0.26
%/V
Load regulation
IO = 100 mA to 400 mA
0.0014
%/mA
Leakage current into SW pin
VI > VO, 0 V ≤ V(SW) ≤ VI
0.1
1
A
Ilkg
Reverse leakage current into pin SW
VI = open, EN = GND, V(SW) = 6 V
0.1
1
A
DDC PACKAGE
(TOP VIEW)
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
EN
3
I
This is the enable pin of the device. Pulling this pin to ground forces the device into shutdown mode.
Pulling this pin to Vin enables the device. This pin must be terminated.
FB
4
I
This is the feedback pin of the device. Connect this pin directly to the output if the fixed output voltage
version is used. For the adjustable version, an external resistor divider is connected to this pin. The
internal voltage divider is disabled for the adjustable version.
GND
2
Ground
SW
5
I/O
Connect the inductor to this pin. This pin is the switch pin and is connected to the internal MOSFET
switches.
VI
1
I
Supply voltage pin
4
Copyright 2003–2009, Texas Instruments Incorporated
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相關代理商/技術參數(shù) |
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| TPS62229DDCR | 功能描述:開關變換器、穩(wěn)壓器與控制器 1.7V Out 400mA Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62229DDCRG4 | 功能描述:開關變換器、穩(wěn)壓器與控制器 1.7V Out 400mA Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62229DDCT | 功能描述:直流/直流開關調(diào)節(jié)器 1.7V Out 400mA 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 |
| TPS62229DDCTG4 | 功能描述:直流/直流開關調(diào)節(jié)器 1.7V Out 400mA 95% Eff Step-Down Cnvrtr 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 |
| TPS62230DRYR | 功能描述:直流/直流開關調(diào)節(jié)器 3 MHz Ultra Small 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 |
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