参数资料
型号: MAX1637EEE+
厂商: Maxim Integrated Products
文件页数: 9/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
PWM 型: 电流模式,混合
输出数: 1
频率 - 最大: 338kHz
占空比: 96%
电源电压: 3.15 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
Miniature, Low-Voltage,
Precision Step-Down Controller
V BATT
V BIAS
3.15V TO 5.5V
+
V CC
SYNC
SKIP
IC
POWER
MAX1637
V GG
BST
200kHz
TO
300kHz
DH
REF
1.1V
OSC
PWM
LOGIC
LX
DL
PGND
V OUT
+
REF.
SHDN
SHUTDOWN
CONTROL
OFF
CSH
REF
-
CSL
UNDER-
VOLTAGE
FAULT
OVERVOLTAGE
SLOPE
COMPENSATION
ERROR
INTEGRATOR
gm
-
CC
V REF -30%
-
FAULT
V REF +7%
-
60kHz
REF
FB
LP FILTER
GND
Figure 2. Functional Diagram
The pulse-width-modulation (PWM) controller consists
of a multi-input PWM comparator, high-side and low-
side gate drivers, and logic. It uses a 200kHz/300kHz
synchronizable oscillator. The MAX1637 contains fault-
protection circuits that monitor the PWM output for
undervoltage and overvoltage. It includes a 1.100V pre-
cision reference. The circuit blocks are powered from
an internal IC power rail that receives power from V CC .
V GG provides direct power to the synchronous-switch
gate driver, but provides indirect power to the high-
side-switch gate driver via an external diode-capacitor
boost circuit.
_______________________________________________________________________________________
9
相关PDF资料
PDF描述
VE-JWY-EY-B1 CONVERTER MOD DC/DC 3.3V 33W
MAX767CAP+ IC REG CTRLR BUCK PWM CM 20-SSOP
MAX1775EEE+ IC REG CTRLR BUCK PWM 16-QSOP
MAX1715EEI+ IC REG CTRLR BUCK PWM 28-QSOP
MAX775ESA+ IC REG CTRLR INV PWM 8-SOIC
相关代理商/技术参数
参数描述
MAX1637EEE+ 功能描述:DC/DC 开关控制器 Mini Precision Step Down 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
MAX1637EEE+T 功能描述:DC/DC 开关控制器 Mini Precision Step Down 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
MAX1637EEE-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
MAX1637EVKIT 制造商:Maxim Integrated Products 功能描述:MINIATURE, LOW-VOLTAGE, PRECISION STEP-DOWN C - Bulk
MAX1638BEAG 制造商:MAX 功能描述: 制造商:Maxim Integrated Products 功能描述: