参数资料
型号: MAX15034AAUI+
厂商: Maxim Integrated Products
文件页数: 11/26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: 1 或 2
频率 - 最大: 1MHz
电源电压: 4.75 V ~ 5.5 V,5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
包装: 管件
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
CLP1 10
CA1
13 CSP1
14 CSN1
EAOUT1
12
DF1 AND
HICCUP
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
AVGLIMIT
6
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
HICCUP
23 PGND
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 MAX15034 ’s internal
circuitry and the power for the external MOSFET’s gate
drivers. Internal UVLO circuitry ensures that the
MAX15034 starts up when V REG is at the correct volt-
age levels to guarantee safe operation of the IC and of
the power MOSFETs.
Finally, a thermal-shutdown feature protects the device
during thermal faults and shuts down the MAX15034
when the die temperature exceeds +160°C.
______________________________________________________________________________________
11
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MAX15034AAUI+ 功能描述:DC/DC 开关控制器 Configurable Synchronous Buck 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
MAX15034AAUI+T 功能描述:DC/DC 开关控制器 Configurable Synchronous Buck 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
MAX15034BAUI+ 功能描述:DC/DC 开关控制器 Configurable Synchronous Buck 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
MAX15034BAUI+T 功能描述:DC/DC 开关控制器 Configurable Synchronous Buck 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
MAX15034BEVKIT+ 功能描述:电源管理IC开发工具 MAX15034B 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