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参数资料
| 型号： | MAX5066EUI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 28TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 2 |
| 频率 - 最大： | 1MHz |
| 电源电压： | 4.75 V ~ 28 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 管件 |
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
CLP1 10
CA1
13 CSP1
EAOUT1
12
DF1 AND
HICCUP
14 CSN1
EAN1
11
CEA1
LOGIC
16 BST1
VEA1
CPWM1
17 DH1
IN
22
V REG = 5V
UVLO
2V P-P
RAMP
CONTROL
18 LX1
AND DRIVER
REG
EN1
21
15
FOR INTERNAL
BIASING
1.225V
CEN1
0 °
LOGIC 1
20 V DD
19 DL1
REF
6
V REF = 3.3V
UV33
THERMAL
SHUTDOWN
OSCILLATOR
AND PHASE
EXTERNAL FREQUENCY SYNC
7 RT/CLKIN
SPLITTER
V INTREF = 0.61V
1.225V
CEN2
180 °
27 BST2
26 DH2
EN2 28
AGND 8
2V P-P
RAMP
CONTROL
AND DRIVER
LOGIC 2
V DD
25 LX2
24 DL2
EAN2
EAOUT2
4
3
VEA2
MUX
CEA2
CPWM2
DF2 AND
23 PGND
HICCUP
MODE
9
LOGIC
2 CSP2
CA2
CLP2
5
1 CSN2
Figure 1. Block Diagram
Two enable comparators (CEN1 and CEN2) are avail-
able to control and sequence the two PWM sections
through the enable (EN1 or EN2) inputs. An oscillator,
with an externally programmable frequency generates
two clock pulse trains and two ramps for both PWM
sections. The two clocks and the two ramps are 180°
out of phase with each other.
A linear regulator (REG) generates the 5V to supply the
device. This regulator has the output-current capability
necessary to provide for the MAX5066’s internal circuit-
ry and the power for the external MOSFET’s gate dri-
vers. A low-current linear regulator (REF) provides a
precise 3.3V reference output and is capable of driving
loads of up to 200μA. Internal UVLO circuitry ensures
that the MAX5066 starts up only when V REG and V REF
are at the correct voltage levels to guarantee safe oper-
ation of the IC and of the power MOSFETs.
10
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5066EUI+ | 功能描述:DC/DC 开关控制器 Synch Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX5066EUI+T | 功能描述:DC/DC 开关控制器 Synch Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX5066EUI-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX5066EVKIT | 功能描述:电源管理IC开发工具 MAX5066 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 |
| MAX5067 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual-Phase, +0.6V to +3.3V Output Parallelable, Average-Current-Mode Controllers |
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