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參數(shù)資料
| 型號： | MP1530DM |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Triple Output Step-Up Plus Linear Regulators for TFT Bias |
| 中文描述： | 3.6 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | MO-153AB, TSSOP-16 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 365K |
| 代理商： | MP1530DM |
MP1530 – TRIPLE OUTPUT STEP-UP PLUS LINEAR REGULATORS FOR TFT BIAS
MP1530 Rev. 1.4
5/19/2006
www.MonolithicPower.com
6
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
PIN FUNCTIONS
QFN
Pin #
Pin #
1
15
TSSOP
Name
Description
SW
Step-Up Converter Power Switch Node. Connect an inductor between the input source
and SW, and connect a rectifier from SW to the main output to complete the step-up
converter. SW is the drain of the internal 250m
N-Channel MOSFET switch.
Timing Capacitor for Power Supply Soft-Start and Power-On Sequencing. A capacitor
from CT to GND controls the soft-start and sequencing turn-on delay periods. See
Power-On Sequencing and Start Up Timing Diagram
.
2
16
CT
3
1
RDY
Regulators Not Ready. During startup
RDY
will be left high. Once the turn-on sequence
is complete, this pin will be pulled low if all FB voltages exceed 80% of their specified
thresholds. After all regulators are turned-on, a fault in any regulator that causes the
respective FB voltage to fall below 80% of its threshold will cause
RDY
to go high after
approximately 15μs. If the fault persists for more than approximately 6ms (for C
CT
=10nF),
the entire chip will shut down. See
Fault Sensing and Timer
.
Step-Up Converter Feedback Input. FB1 is the inverting input of the internal error
amplifier. Connect a resistive voltage divider from the output of the step-up converter to
FB1 to set the step-up converter output voltage.
COMP Step-Up Converter Compensation Node. COMP is the output of the error amplifier.
Connect a series RC network to compensate the regulation control loop of the step-up
converter.
IN
Internal Power Input. IN supplies the power to the MP1530. Bypass IN to PGND with a
10μF or greater capacitor.
GND
Signal Ground.
REF
Reference Output. REF is the 1.25V reference voltage output. Bypass REF to GND with
a 0.1μF or greater capacitor. Connect REF to the low-side resistor of the negative linear
regulator feedback string.
FB2
Negative Linear Regulator Feedback Input. Connect the FB2 feedback resistor string
between GL and REF to set the negative linear regulator output voltage. FB2 regulation
threshold is GND.
FB3
Positive Linear Regulator Feedback Input. Connect the FB3 feedback resistor string
between GH and GND to set the positive linear regulator output voltage. FB3 regulation
threshold is 1.25V.
EN
On/Off Control Input. Drive EN high to turn on the MP1530, drive EN low to turn it off. For
automatic startup, connect EN to IN. Once the MP1530 is turned on, it sequences the
outputs on (See
Power-On Sequencing
). When turned off, all outputs are immediately
disabled.
GL
Negative Linear Regulator Output. GL is the output of the negative linear regulator. GL
can supply up to 20mA to the load. Bypass GL to GND with a 1μF or greater, low-ESR,
ceramic capacitor.
IN2
Negative Linear Regulator Input. IN2 is the input of the negative linear regulator. Drive
IN2 with an inverting charge pump powered from SW. IN2 can go as low as -20V. For
QFN package IN2 connects to exposed pad.
GH
Positive Linear Regulator Output. GH is the output of the positive linear regulator. GH
can supply as much as 20mA to the load. Bypass GH to GND with a 1μF or greater, low-
ESR, ceramic capacitor.
IN3
Positive Linear Regulator Input. IN3 is the input to the positive linear regulator. Drive IN3
with a doubling, tripling, or quadrupling charge pump from SW. IN3 voltage can go as
high as 38V.
PGND Power Ground. PGND is the source of the internal 250m
N-Channel MOSFET switch.
Connect PGND to GND as close to the MP1530 as possible.
4
2
FB1
5
3
6
4
7
8
5
6
9
7
10
8
11
9
12
10
13
11
14
12
15
13
16
14
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP1530DM-LF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.4MHz Triple Output Step-Up for TFT Bias 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1530DM-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.4MHz Triple Output Step-Up for TFT Bias 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1530DQ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:Triple Output Step-Up Plus Linear Regulators for TFT Bias |
| MP1530DQ-LF-P | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.4MHz Triple Output Step-Up for TFT Bias 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1530DQ-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.4MHz Triple Output Step-Up for TFT Bias 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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