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参数资料
| 型号： | MAX8734AEEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/33页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY CONTROLLER 28QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电源控制器 |
| 输入电压： | 4.5 V ~ 24 V |
| 电流 - 电源： | 25µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-QSOP |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
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High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
Each PWM controller consists of a Dual-Mode feedback
network and multiplexer, a multi-input PWM comparator,
high-side and low-side gate drivers, and logic. The
MAX8732A/MAX8733A/MAX8734A contain fault-protection
circuits that monitor the main PWM outputs for undervolt-
age and overvoltage conditions. A power-on sequence
V+
OUT
block controls the power-up timing of the main PWMs and
monitors the outputs for undervoltage faults. The
MAX8732A/MAX8733A/MAX8734A include 5V and 3.3V
linear regulators. Bias generator blocks include the 5V
(LDO5) linear regulator, 2V precision reference, and auto-
matic bootstrap switchover circuit.
TON (MAX8734A)
ON-TIME
COMPUTE
Q
t OFF
TRIG
ONE SHOT
t ON
TRIG
Q
R
REF
ONE SHOT
Q
TO DH_ DRIVER
S
ILIM_
ERROR
AMPLIFIER
CURRENT
LIMIT
CS_ (MAX8732A/8733A)
LX_ (MAX8734A)
Σ
ZERO
CROSSING
S
TO DL_ DRIVER
Q
R
SKIP
OUT_
PGOOD
0.9 x V REF
FB_
0.15V
PRO
Figure 4. PWM Controller (One Side Only)
1.1 x V REF
0.7 x V REF
OV_FAULT
UV_FAULT
20ms
BLANKING
FAULT
LATCH
______________________________________________________________________________________
17
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相关代理商/技术参数 |
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|---|---|
| MAX8736BGTL+ | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Rail/Tube |
| MAX8736ETL | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Rail/Tube |
| MAX8736ETL+ | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Rail/Tube |
| MAX8736ETL+T | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Tape and Reel |
| MAX8736ETL-T | 制造商:Maxim Integrated Products 功能描述:IMPVP 6 CORE SUPPLIES - Tape and Reel |
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