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參數(shù)資料
| 型號： | MAX15003 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Triple-Output Buck Controller with Tracking/Sequencing |
| 中文描述： | 三輸出buck控制器，提供跟蹤/排序功能 |
| 文件頁數(shù)： | 10/32頁 |
| 文件大小： | 945K |
| 代理商： | MAX15003 |
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M
Triple-Output Buck Controller with
Tracking/Sequencing
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
CT
RESET
Timeout Capacitor Connection. Connect a timing capacitor from CT to SGND to set the
RESET
delay. CT sources 2μA into the timing capacitor. When the voltage at CT passes 2V, open-drain
RESET
goes high impedance.
2
IN
Supply Input Connection. Connect to an external voltage source from 5.5V to 23V. For 4.5V to 5.5V input
application, connect IN and REG together.
3
REG
5V Regulator Output. Bypass with a 2.2μF ceramic capacitor to SGND.
4
SEL
Track/Sequence Select Input. Connect SEL to REG to configure as a triple tracker at startup or connect SEL
to SGND to configure as a triple sequencer or leave SEL unconnected to configure as a dual tracker and
independent sequencer.
Note:
When configured as a triple sequencer, each rail is independently enabled
using the EN_.
5
PGND1
Controller 1 Power-Ground Connection. Connect the input filter capacitor’s negative terminal, the source of
the synchronous MOSFET, and the output filter capacitor’s return to PGND1. Connect externally to SGND at
a single point near the input capacitor return terminal.
6
DL1
Controller 1 Low-Side Gate Driver Output. DL1 is the gate driver output for the synchronous MOSFET.
7
DREG1
Controller 1 Low-Side Gate Driver Supply. Connect externally to REG and the anode of the boost diode.
Connect a minimum of 0.1μF ceramic capacitor from DREG1 to PGND1.
8
LX1
Controller 1 High-Side MOSFET Source Connection/Synchronous MOSFET Drain Connection. Connect the
inductor and the negative side of the boost capacitor to LX1.
9
DH1
Controller 1 High-Side Gate Driver Output. DH1 drives the gate of the high-side MOSFET.
10
BST1
Controller 1 High-Side Gate Driver Supply. Connect BST1 to the cathode of the boost diode and to the
positive terminal of the boost capacitor.
11
CSN1
Controller 1 Negative Current-Sense Input. Connect CSN1 to the synchronous MOSFET drain (connected to
LX1). When using a current-sense resistor, connect CSN1 to the junction of a low-side MOSFET’s source
and the current-sense resistor. See Figure 11.
12
CSP1
Controller 1 Positive Current-Sense Input. Connect CSP1 to the synchronous MOSFET source (connected to
PGND1). When using a current-sense resistor, connect CSP1 to the PGND1 end of the current-sense
resistor.
13
ILIM1
Controller 1 Valley Current-Limit Set Output. Connect a 25k
to 150k
resistor, R
ILIM1
, from ILIM1 to SGND
to program the valley current-limit threshold from 50mV to 300mV. ILIM1 sources 20μA out to R
ILIM1
. The
resulting voltage divided by 10 is the valley current-limit threshold. When using a precision current-sense
resistor, connect a resistive divider from REG to ILIM1 to SGND to set the valley current limit. See Figure 11.
14
COMP1
Controller1 Error Transconductance Amplifier Output. Connect COMP1 to the compensation feedback
network.
15
EN1
Controller 1 Enable Input. EN1 must be above 1.24V, V
EN-TH
, for the PWM controller to start Output 1.
Controller 1 is the master. Use the master as the highest output voltage in a coincident tracking
configuration.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX15003ATM+ | 功能描述:DC/DC 開關(guān)控制器 Triple-Out Buck Ctlr w/Track/Sequence RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX15003ATM+T | 功能描述:DC/DC 開關(guān)控制器 Triple-Out Buck Ctlr w/Track/Sequence RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX15003EVKIT+ | 功能描述:電源管理IC開發(fā)工具 MAX15003 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX15004AAUE/V+ | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004AAUE/V+T | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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