参数资料
型号: MAX8741EAI+
厂商: Maxim Integrated Products
文件页数: 4/34页
文件大小: 0K
描述: IC CNTRLR PWR SUP 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
应用: 控制器,笔记本电脑电源系统
输入电压: 4.2 V ~ 30 V
输出数: 2
输出电压: 3.3V,5V,2.5 V ~ 5.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
500kHz Multi-Output Power-Supply Controllers
with High Impedance in Shutdown
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, both PWMs on, SYNC = V L , V L load = 0, REF load = 0, SKIP = 0, T A = 0°C to +85°C , unless otherwise noted. Typical
values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FAULT DETECTION
Overvoltage Trip Threshold
Overvoltage Fault Propagation Delay
Output Undervoltage Threshold
Output Undervoltage-Lockout Time
Thermal-Shutdown Threshold
With respect to unloaded output voltage
CSL_ driven 2% above overvoltage trip
threshold
With respect to unloaded output voltage
From each SMPS enabled, with respect to
f OSC
Typical hysteresis = 10°C
4
60
3300
7
1.5
70
4096
+150
10
80
4700
%
μs
%
Clks
°C
RESET
RESET Trip Threshold
RESET Propagation Delay
RESET Delay Time
With respect to unloaded output voltage,
falling edge; typical hysteresis = 1%
Falling edge, CSL_ driven 2% below RESET
trip threshold
With respect to f OSC
-7
27,000
-5.5
1.5
32,000
-4
37,000
%
μs
Clks
INPUTS AND OUTPUTS
Feedback-Input Leakage Current
FB3, FB5; SECFB = 2.6V
1
50
nA
Logic Input-Low Voltage
Logic Input-High Voltage
Input Leakage Current
Logic Output-Low Voltage
Logic Output-High Current
RUN/ON3, SKIP , TIME/ON5 (SEQ = REF),
SHDN , STEER, SYNC
RUN/ON3, SKIP , TIME/ON5 (SEQ = REF),
SHDN , STEER, SYNC
RUN/ON3, SKIP , TIME/ON5 (SEQ = REF),
SHDN , STEER, SYNC, SEQ; V PIN = 0V or 3.3V
RESET , I SINK = 4mA
RESET = 3.5V
2.4
1
0.6
± 1
0.4
V
V
μA
V
mA
TIME/ON5 Input Trip Level
SEQ = 0 or V L
2.4
2.6
V
TIME/ON5 Source Current
TIME/ON5 On-Resistance
Gate-Driver Sink/Source Current
TIME/ON5 = 0, SEQ = 0 or V L
TIME/ON5; RUN/ON3 = 0, SEQ = 0 or V L
DL3, DH3, DL5, DH5; forced to 2V
2.5
3
15
1
3.5
80
μA
Ω
A
Gate-Driver On-Resistance
High or low (Note 5)
SSOP package
QFN package
1.5
1.5
7
8
Ω
4
_______________________________________________________________________________________
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MAX8741EAI+ 功能描述:电流和电力监控器、调节器 500kHz Multi-Out Pwr Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8741EAI+T 功能描述:电流和电力监控器、调节器 500kHz Multi-Out Pwr Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8741EAI-T 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8742EAI 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8742EAI+ 功能描述:电流和电力监控器、调节器 500kHz Multi-Out Pwr Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel