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| 型号： | MAX1531ETJ/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/33页 |
| 文件大小： | 0K |
| 描述： | IC PS CTRLR MULTI-OUTPUT 32WQFN |
| 标准包装： | 2,500 |
| 应用： | 五路电源监控器 |
| 电源电压： | 4.5 V ~ 28 V |
| 电流 - 电源： | 1.7mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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19-2866; Rev 2; 12/10
ATION
EVALU
AVAILA
KIT
BLE
Multiple-Output Power-Supply
Controllers for LCD Monitors
General Description
The MAX1530/MAX1531 multiple-output power-supply
controllers generate all the supply rails for thin-film tran-
sistor (TFT) liquid-crystal display (LCD) monitors. Both
devices include a high-efficiency, fixed-frequency,
step-down regulator. The low-cost, all N-channel, syn-
chronous topology enables operation with efficiency as
high as 93%. High-frequency operation allows the use
of small inductors and capacitors, resulting in a com-
pact solution. The MAX1530 includes three linear regu-
lator controllers and the MAX1531 includes five linear
regulator controllers for supplying logic and LCD bias
voltages. A programmable startup sequence enables
easy control of the regulators.
The MAX1530/MAX1531 include soft-start functions to
limit inrush current during startup. An internal step-
down converter current-limit function and a versatile
overcurrent shutdown protect the power supplies against
fault conditions. The MAX1530/MAX1531 use a current-
mode control architecture, providing fast load transient
Features
o 4.5V to 28V Input Voltage Range
o 250kHz/500kHz Current-Mode Step-Down Converter
Small Inductor/Capacitors
No Sense Resistor
o Three Positive Linear Regulator Controllers
One Positive and One Negative Additional
Controller (MAX1531)
Small Input and Output Capacitors
o Timed Reset Output
o Uncommitted Overcurrent Protection (MAX1531)
o Soft-Start for All Regulators
o Programmable Input Undervoltage Comparator
o Programmable Startup Sequencing
Minimal Operating Circuit
response and easy compensation. An internal linear
regulator provides MOSFET gate drive and can be
used to power small external loads.
The MAX1530/MAX1531 can operate from inputs as
high as 28V and are well suited for LCD monitor and TV
applications running directly from AC/DC wall adapters.
V P
V N
V IN = 12V
V L
V IN
BST
CSH
CSL
V IN
Both devices are available in a small (5mm x 5mm),
ultra-thin (0.8mm), 32-pin QFN package and operate
over the -40°C to +85°C temperature range.
Applications
V OUT
3.3V/1.5A
IN
DH
LX
MAX1530
DRV4
FBL4
V SOURCE
10V/500mA
DL
LCD Monitors and TVs
PGND
EN
ILIM
Automotive LCDs
FB
FREQ
VL
V L
COMP
AGND
Ordering Information
RESET
V IN
PART
MAX1530ETJ+
MAX1530ETJ+T
MAX1531ETJ+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
32 TQFN-EP*
32 TQFN-EP*
32 TQFN-EP*
V OUT
V LOGIC
2.5V/500mA
RSTIN
DRV1
FBL1
DRV2
FBL2
V GAMMA
9.7V
MAX1531ETJ+T
-40°C to +85°C
32 TQFN-EP*
ONL2
*EP = Exposed pad.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T indicates tape and reel.
V L
V P
SEQ
DRV3
ONL3
ONL4
ONL5
DRV5
V N
V GON
25V
FBL3
FBL5
V GOFF
-9V
Pin Configuration appears at end of data sheet.
VL
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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| MAX1531EVKIT | 功能描述:电源管理IC开发工具 MAX1530/1 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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| MAX1532AETL+T | 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, QUICK-PWM CONTROLLER FOR IMVP CPU - Tape and Reel 制造商:Maxim Integrated Products 功能描述:MULTIPLE OUTPUT POWER-SUPPLY CTRL |
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