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Ultra 3 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 Number of Lithium-Ion cells Protected VIN (max) (V) Charging VIN (max) (V) Charge Rate Set by Max. Charge Current (A) Max. Charge Current (A) Charge Termination Charge Regulation Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX1811  Li-Ion
Li-Polymer 		1 6.5 6.5 Logic Input 0.5 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 (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
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 (79)

Key Specifications:   Sequencers/Trackers
Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6741  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SC70/5 5 -40 to +85
0 to +70
MAX6744  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SC70/5 5 -40 to +85
0 to +70
See All Sequencers/Trackers (52)

Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX1684  2.7 14 1.25 14 3.3 1 1 Preset
Resistor 		0.61 1 300 QSOP/16 31
MAX1685  2.7 14 1.25 14 3.3 1 1 Preset
Resistor 		0.61 1 600 QSOP/16 31
See All Step-Down Switching Regulators (252)

Key Specifications:   Step-Up Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Package Smallest Available Package (max w/pins) (mm2)
MAX1674  0.7 5.5 2 5.5 3.3
5.0 		0.3 0.3 Preset
Resistor 		0.035 1 µMAX/8 16
MAX1675  0.7 5.5 2 5.5 3.3
5.0 		0.3 0.3 Preset
Resistor 		0.035 1 µMAX/8 16
MAX1676  0.7 5.5 2 5.5 3.3
5.0 		0.3 0.3 Preset
Resistor 		0.06 1 µMAX/10 15
See All Step-Up Switching Regulators (93)

Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
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 		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 		No Watchdog Power Fail Comparator 3 10
MAX6806  1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  <1ms No Watchdog Manual Reset 2 80
MAX6807  2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull <1ms No Watchdog Manual Reset 2 80
MAX6808  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog 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 No Watchdog 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 No Watchdog High Voltage (>6V) 3 15
See All Supervisors (1 Monitored Voltage) (270)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX6741  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  -  Manual Reset 3 12
MAX6744  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 		Push-Pull 85ms to 300ms
>1s 		No Watchdog  -   -  3 12
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 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 		No Watchdog  -  Manual Reset 3 12
MAX6738  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 10
MAX6739  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 		Push-Pull 85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input
Manual Reset 		3 10
MAX6715  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 1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog  -  Manual Reset 2.5 37
MAX6716  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 		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 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 to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog  -  Manual Reset 2.5 37
MAX6718  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 		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 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 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 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 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 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 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 		2.5 37
MAX6729  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 		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 		2.5 37
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:   Supervisors (3 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
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 		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 		No Watchdog  -  Adjustable Reset Input 3 12
MAX6700  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 1.5 50
MAX6719  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  -  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 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  -  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 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 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 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  -  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 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 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 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 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 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 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 Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
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  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 No Watchdog Adjustable Reset Input
Manual Reset
Power Fail Comparator 		2.5 90
MAX6710  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 No Watchdog Adjustable Reset Input 2.5 40
See All Supervisors (4 Monitored Voltages) (27)
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