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参数资料
| 型号： | MAX17083ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 5A 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.75 V ~ 2.7 V |
| 输入电压： | 2.4 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
Low-Voltage, Internal Switch,
Step-Down Regulator
Pin Description
PIN
1, 2, 17, 18
3, 4
NAME
LX
IN
FUNCTION
Inductor Connection for the Internal 5A Step-Down Converter. Connect LX to the switched side of
the inductor.
Power Input Connection to the Drain of the Internal HS MOSFET. Bypass to PGND with a 10μF or
greater ceramic capacitor close to the IC to minimize parasitic inductance.
Four-Level Switching Frequency (f SW ) Selection Pin
FREQUENCY PIN
SWITCHING FREQUENCY (MHz)
V CC
1.5
5
FREQ
OPEN
REF
GND
1.0
0.75
0.5
Open-Drain Power-Good Output. POK is pulled low if FB is more than 12% (typ) above or below the
6
7
8, 9, 10
11, 19, 24
12
POK
REF
GND
N.C.
FB
nominal regulation threshold. POK is held low during soft-start and in shutdown. POK becomes
high impedance when FB is in regulation.
1.25V Reference Voltage Output. Bypass REF to analog ground with a 0.1 μF ceramic capacitor.
The reference sources up to 50μA for external loads. Loading REF degrades output voltage
accuracy according to the REF load regulation error.
Analog Ground
No Connection
Feedback Input for the Internal 5A Step-Down Converter. FB regulation level can be preset by the
SET pin.
Four-Level FB Threshold Selection Pin
FB REGULATION VOLTAGE (V)
FB THRESHOLD SELECTION PIN
V CC
1.8
13
SET
OPEN
REF
GND
1.5
1.1
0.75
14
15
16
20 –23
EP
V CC
EN
BST
PGND
GND
5V Bias Supply Input for the Internal Switching Regulator Drivers. Bypass with a 1 μF or greater
ceramic capacitor. Provides power for the BST driver supplies.
Switching Regulator Enable Input. When EN is pulled low, LX is high impedance. When EN is
driven high, the controller enables the 5A internal switching regulator.
Boost Flying Capacitor Connection for the Internal 5A Step-Down Converter. The MAX17083
includes an internal boost switch/diode connected between V CC and BST. Connect to an external
0.1μF ceramic capacitor as shown in Figure 1.
Power Ground
Ground. Connect the exposed backside pad to analog ground.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17083EVKIT+ | 功能描述:电源管理IC开发工具 Low-Voltage Internal Switch Step-Down 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 |
| MAX17085BETL+ | 功能描述:电池管理 Dual Main Step-Down Controller RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17085BETL+T | 功能描述:电池管理 Dual Main Step-Down Controller RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17085BEVKIT+ | 制造商:Maxim Integrated Products 功能描述:STEP-DOWN REGULATOR - Boxed Product (Development Kits) |
| MAX17085GTL+ | 功能描述:电池管理 Dual Main Step-Down Controller RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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