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Ultra3 LVD/SE 15线SCSI端接器

Maxim > 方案 > RAID数据存储系统

断电保护电路

数据资料
显示 标题/型号 关键优势
QV  PDF 低功耗、双/三电压、SC70封装的微处理器监控电路
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745

低功耗、双/三电压µP监控电路，SC70封装，适用于便携式设备
QV  PDF 低电压、高精度、四路电压监测器，µMAX封装
MAX6709, MAX6714
QV  PDF 双/三路、超低电压、SOT23封装、微处理器监控电路
MAX6715, MAX6716, MAX6717, MAX6718, MAX6719, MAX6720, MAX6721, MAX6722, MAX6723, MAX6724, MAX6725, MAX6726, MAX6727, MAX6728, MAX6729
QV  PDF 低电压、高精度、三/四路电压、微处理器监控电路，SOT封装
MAX6700, MAX6710
QV  PDF USB供电、Li+充电器
MAX1811
QV  PDF 双路、高效率、降压型转换器，带有备用电池切换开关
MAX1774

双输出降压型DC-DC转换器，用于PDA/掌上电脑，提供自动电池切换
QV  PDF 低噪声、14V输入、1A、PWM降压型转换器
MAX1684, MAX1685

尺寸最小的1.5A、降压型DC-DC，用于手持式PC，效率高达96%
QV  PDF 电压检测器
MAX6806, MAX6807, MAX6808

低成本、SC70封装电压检测器
QV  PDF 精密的、微功耗、低压差电压基准
MAX6190, MAX6191, MAX6192, MAX6193, MAX6194, MAX6195, MAX6198
QV  PDF 高效率、低电源电流、紧凑的、升压型DC-DC转换器
MAX1674, MAX1675, MAX1676

紧凑的低成本、低噪声设计：电感阻尼开关可有效降低纹波，改善EMI抑制
QV  PDF 微处理器电压监视器，可编程检测电压
MAX8211, MAX8212



Key Specifications:  Battery Chargers
Part Number Cell Chemistry Lithium Ion Cells Protected VIN
(V)		 Charging VIN
(V)		 Charge Rate Set by Max. ICHG
(A)		 Charge Termination Charge Regulation Features Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max max ≥ max w/pins
MAX1811 
Li-Ion
Li-Polymer
 1 6.5 6.5 Logic Input 0.5 External Control Linear
Internal FET/Transistor
Stand Alone
Thermal Die Regulation
USB Input
SOIC(N)/8
 31 -40 to +85
See All Battery Chargers (62)

Key Specifications:  Multifunction PMICs
Part Number Primary Topology Monitor/Control Features DC-DC/Power Features Battery Charger Features VIN
(V)		 VIN
(V)		 VOUT
(V)		 VOUT
(V)		 Max. IOUT
(A)		 Max. IOUT
(A)		 Oper. Freq.
(kHz)		 Package/Pins Smallest Available Pckg.
(mm2)
min max min max ≥ ≤ max w/pins
MAX1774  Step-Down Shutdown
Current Limit
Fixed Freq./PWM
Soft Start
Sync. Rectifier
 Battery Backup 2.7 28 1 5.5 2 2 600
QSOP/28
 62
See All Multifunction PMICs (83)

Key Specifications:  Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max max w/pins
MAX6741  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Reset Output Yes
SC70/5
 5
-40 to +85
0 to +70
MAX6744 
SC70/5
See All Power-Supply Sequencers and Voltage Trackers (35)

Key Specifications:  Step-Down Switching Regulators
Part Number VIN
(V)		 VIN
(V)		 VOUT
(V)		 VOUT
(V)		 Preset VOUT
(V)		 Max. IOUT
(A)		 Max. IOUT
(A)		 Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)		 Package/Pins Smallest Available Pckg.
(mm2)
min max min max ≥ ≤ max w/pins
MAX1684  2.7 14 1.25 14 3.3 1 1
Preset
Resistor
 1 300
QSOP/16
 31
MAX1685  600
QSOP/16
See All Step-Down Switching Regulators (264)

Key Specifications:  Step-Up Switching Regulators
Part Number VIN
(V)		 VIN
(V)		 VOUT
(V)		 VOUT
(V)		 Preset VOUT
(V)		 Max. IOUT
(A)		 Max. IOUT
(A)		 Output Adjust. Method DC-DC Outputs Package/Pins Smallest Available Pckg.
(mm2)
min max min max ≥ ≤ max w/pins
MAX1674  0.7 5.5 2 5.5
3.3
5
 0.3 0.3
Preset
Resistor
 1
µMAX/8
 16
MAX1675 
µMAX/8
 16
MAX1676 
µMAX/10
 15
See All Step-Up Switching Regulators (90)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
MAX6742 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain -
85ms to 300ms
>1s
 No Watchdog
Manual Reset
Power Fail Comparator/Low Battery Detect
 3 10
MAX6745 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull -
85ms to 300ms
>1s
 Power Fail Comparator/Low Battery Detect 3 10
MAX6806 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - <1ms Manual Reset 2 80
MAX6807 
2.5 to 3.3
3.3 to 5.5
 - Push-Pull <1ms Manual Reset 2 80
MAX6808 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms Manual Reset 2 80
MAX8211 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms High Voltage (>6V) 3 15
MAX8212 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms High Voltage (>6V) 3 15
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
MAX6736  Factory Fixed
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain
85ms to 300ms
>1s
 No Watchdog - Manual Reset 3 12
MAX6737  Factory Fixed Push-Pull
85ms to 300ms
>1s
 No Watchdog - Manual Reset 3 12
MAX6738 
Factory Fixed
R/C Adjustable
 Open Drain
85ms to 300ms
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 3 10
MAX6739 
Factory Fixed
R/C Adjustable
 Push-Pull
85ms to 300ms
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 3 10
MAX6741 
Factory Fixed
R/C Adjustable
 Open Drain
85ms to 300ms
>1s
 No Watchdog - Manual Reset 3 12
MAX6744 
Factory Fixed
R/C Adjustable
 Push-Pull
85ms to 300ms
>1s
 No Watchdog - - 3 12
MAX6715  Factory Fixed Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 2.5 37
MAX6716  Factory Fixed Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 2.5 37
MAX6717  Factory Fixed Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 2.5 37
MAX6718  Factory Fixed Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 2.5 37
MAX6721  Factory Fixed Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Manual Reset 2.5 37
MAX6722  Factory Fixed Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Manual Reset 2.5 37
MAX6728  Factory Fixed Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 37
MAX6729  Factory Fixed Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 37
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:  Supervisors (3 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
MAX6740 
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain -
85ms to 300ms
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 3 12
MAX6743 
Factory Fixed
R/C Adjustable
 Push-Pull -
85ms to 300ms
>1s
 No Watchdog - Adjustable Reset Input 3 12
MAX6700  R/C Adjustable Open Drain - <1ms No Watchdog - Adjustable Reset Input 1.5 50
MAX6719  Factory Fixed Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 2.5 37
MAX6720  Factory Fixed Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 2.5 37
MAX6723  Factory Fixed Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Adjustable Reset Input 2.5 37
MAX6724  Factory Fixed Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Adjustable Reset Input 2.5 37
MAX6725  Factory Fixed Open Drain Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
 2.5 37
MAX6726  Factory Fixed Push-Pull Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
 2.5 37
MAX6727  Factory Fixed Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Extended Setup Period
Input (WDI)
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
 2.5 37
See All Supervisors (3 Monitored Voltages) (32)

Key Specifications:  Supervisors (4 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
MAX6709 
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain <1ms No Watchdog Adjustable Reset Input 2.5 50
MAX6714  85ms to 300ms
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 90
MAX6710  85ms to 300ms Adjustable Reset Input 40
See All Supervisors (4 Monitored Voltages) (26)



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