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Maxim > Solutions > MP3 and Portable Media Players

Low-Power µP Supervisors in Small Packages

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Adjustable Overvoltage Protector with High Accuracy
MAX14527, MAX14528

Superior Input Voltage Protection with Maximum Flexibility
QV  PDF Overvoltage-Protection Controllers with a Low RON Internal FET
MAX4970, MAX4971, MAX4972

Up to +28V Input Voltage Protection Without External nFET in a Small, 2mm x 1.5mm, 12-Bump WLP
QV  PDF Overvoltage Protector with Active Current Limit
MAX4978, MAX4979, MAX4980, MAX4981

Accurate Current Limiter with Up to +28V Input Voltage Protection in a Small, 2mm x 3mm, TDFN Package
QV  PDF Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer
MAX6854, MAX6855, MAX6856, MAX6858, MAX6860, MAX6861, MAX6862, MAX6863, MAX6864, MAX6865, MAX6866, MAX6867, MAX6868, MAX6869

Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer Ideal for Portable Applications
QV  PDF Microprocessor Supervisory Reset Circuits with Edge-Triggered, One-Shot Manual Reset
MAX6467, MAX6468

QV  PDF Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745

Low-Power, Dual-/Triple-Voltage SC70 µP Supervisory Circuits are Ideal for Portable Equipment
QV  PDF Ultra-Low-Voltage SC70 Voltage Detectors and µP Reset Circuits
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840

QV  PDF Voltage Detectors in 4-Bump (2 x 2) Chip-Scale Package
MAX6406, MAX6407, MAX6408, MAX6409, MAX6410, MAX6411

Low-Power Voltage Detectors in 4-Bump Chip Scale Package
QV  PDF µP Supervisory Circuits in 4-Bump (2 x 2) Chip-Scale Package
MAX6400, MAX6401, MAX6402, MAX6403, MAX6404, MAX6405

Low-Power Microprocessor Supervisor in 4-Bump Chip Scale Package
QV  PDF SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390

QV  PDF 3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380

Industry's Smallest, Lowest-Power Voltage Detectors
QV  PDF 3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6326, MAX6327, MAX6328, MAX6346, MAX6347, MAX6348

Industry's Lowest-Power Reset IC Consumes Only 500nA with No External Components Required



Key Specifications:  Overvoltage Protection Controllers
Part Number Channels VIN
(V)
VIN
(V)
Over Voltage Trip Level
(V)
Under Voltage Lockout
(V)
VGATE
(V)
tGATE (On)
(ms)
tGATE (Off)
(µs)
Features Package/Pins
min max
MAX14527  1 2.2 28 5.75 - 5.75 0.7 1.3 Internal Charge Pump
TDFN-EP/8
MAX14528  2.2 6.76 -
5.75
6.76
0.7 1.3 Internal Charge Pump
TDFN-EP/8
MAX4970  2.2 5.9 2.45 7 13 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
UCSP/12
WLP/12
MAX4972  2.2 4.65 2.45 7 13 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
UCSP/12
WLP/12
MAX4978  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
TDFN-EP/8
MAX4980  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
Voltage Limiter Mode
TDFN-EP/8
MAX4981  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
Voltage Limiter Mode
TDFN-EP/8
See All Overvoltage Protection Controllers (47)

Key Specifications:  Pushbutton Devices
Part Number Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Thresh.
(V)
Reset Out tRESET Reset Thresh. Accur.
(%)
ICC
(µA)
Package/Pins
Active Low min @ +25°C max
MAX6468  1 One-Shot 1µs
1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99
Push-Pull
85ms to 300ms
>1s
1.5 13
SC70/4
SOT/4
MAX6467  One-Shot Open Drain
85ms to 300ms
>1s
SC70/4
SOT/4
MAX6390  Single Soft/Hard Reset Output Open Drain >1s
µDFN/6
SC70/4
See All Pushbutton Devices (17)

Key Specifications:  Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)
Features RoHS Available Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
MAX6741  Sequence
Factory Fixed
R/C Adjustable
2 <6 Reset Output Yes
-40 to +85
0 to +70
SC70/5
5.3
MAX6744 
SC70/5
See All Power-Supply Sequencers and Voltage Trackers (35)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number 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
MAX6854 
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
No Watchdog - Manual Reset 2.5 0.17
MAX6855 
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
No Watchdog - Manual Reset 2.5 0.17
MAX6856 
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
No Watchdog - Manual Reset 2.5 0.17
MAX6858 
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
No Watchdog - - 2.5 0.17
MAX6860 
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
No Watchdog - - 2.5 0.17
MAX6861 
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
85ms to 300ms
No Watchdog - Manual Reset 2.5 0.17
MAX6862 
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
85ms to 300ms
No Watchdog - Manual Reset 2.5 0.17
MAX6863 
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
85ms to 300ms
No Watchdog - Manual Reset 2.5 0.17
MAX6864 
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
Input (WDI) >2s Manual Reset 2.5 0.17
MAX6865 
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
Input (WDI) >2s Manual Reset 2.5 0.17
MAX6866 
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
Input (WDI) >2s Manual Reset 2.5 0.17
MAX6867 
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
Input (WDI) >2s Manual Reset 2.5 0.17
MAX6868 
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
Input (WDI) >2s Manual Reset 2.5 0.17
MAX6869 
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
Input (WDI) >2s Manual Reset 2.5 0.17
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
No Watchdog - Power Fail Comparator/Low Battery Detect 3 10
MAX6832 
0 to 1.2
1.2 to 1.8
Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - - 1.5 13
MAX6833 
0 to 1.2
1.2 to 1.8
- Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - - 1.5 13
MAX6834 
0 to 1.2
1.2 to 1.8
Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - - 1.5 13
MAX6835 
0 to 1.2
1.2 to 1.8
Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - Manual Reset 2.5 13
MAX6836 
0 to 1.2
1.2 to 1.8
- Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - Manual Reset 1.5 13
MAX6837 
0 to 1.2
1.2 to 1.8
Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
No Watchdog - Manual Reset 1.5 13
MAX6838 
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
<1ms
>1s
No Watchdog - Adjustable Reset Input 1.5 13
MAX6839 
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
<1ms
>1s
No Watchdog - Adjustable Reset Input 2.5 13
MAX6840 
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
<1ms
>1s
No Watchdog - Adjustable Reset Input 2.5 13
MAX6400 
1.8 to 2.5
2.5 to 3.3
Push-Pull - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6401 
1.8 to 2.5
2.5 to 3.3
- Push-Pull 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6402 
1.8 to 2.5
2.5 to 3.3
Open Drain - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6403  3.3 to 5.5 Push-Pull - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6404  3.3 to 5.5 - Push-Pull 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6405  3.3 to 5.5 Open Drain - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6406 
1.8 to 2.5
2.5 to 3.3
Push-Pull - <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6407 
1.8 to 2.5
2.5 to 3.3
- Push-Pull <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6408 
1.8 to 2.5
2.5 to 3.3
Open Drain - <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6409 
2.5 to 3.3
3.3 to 5.5
Push-Pull - <1ms No Watchdog - Manual Reset 2.5 1
MAX6410 
2.5 to 3.3
3.3 to 5.5
- Push-Pull <1ms No Watchdog - Manual Reset 2.5 1
MAX6411 
2.5 to 3.3
3.3 to 5.5
Open Drain - <1ms No Watchdog - Manual Reset 2.5 1
MAX6381 
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 - - 1.5 13
MAX6382 
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 - - 1.5 13
MAX6383 
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 - - 1.5 13
MAX6384 
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 1.5 13
MAX6385 
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 1.5 13
MAX6386 
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 1.5 13
MAX6375 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6376 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6377 
1.8 to 2.5
2.5 to 3.3
Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6378 
2.5 to 3.3
3.3 to 5.5
Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6379 
2.5 to 3.3
3.3 to 5.5
Open Drain Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6380 
2.5 to 3.3
3.3 to 5.5
Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6326 
1.8 to 2.5
2.5 to 3.3
Push-Pull - 85ms to 300ms No Watchdog - - 1.5 1
MAX6327 
1.8 to 2.5
2.5 to 3.3
- Push-Pull 85ms to 300ms No Watchdog - - 1.5 1
MAX6328 
1.8 to 2.5
2.5 to 3.3
Open Drain - 85ms to 300ms No Watchdog - - 1.5 1
MAX6346  3.3 to 5.5 Push-Pull - 85ms to 300ms No Watchdog - - 1.5 1.75
MAX6347  3.3 to 5.5 - Push-Pull 85ms to 300ms No Watchdog - - 1.5 1.75
MAX6348  3.3 to 5.5 Open Drain - 85ms to 300ms No Watchdog - - 1.5 1.75
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface 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
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
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
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
Adjustable Reset Input
Manual Reset
3 10
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
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
- 3 12
MAX6387 
Factory Fixed
R/C Adjustable
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
Adjustable Reset Input
Manual Reset
1.5 13
MAX6388 
Factory Fixed
R/C Adjustable
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
Adjustable Reset Input 1.5 13
MAX6389 
Factory Fixed
R/C Adjustable
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
Adjustable Reset Input 1.5 13
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:  Supervisors (3 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
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  Push-Pull Adjustable Reset Input
See All Supervisors (3 Monitored Voltages) (32)

Key Specifications:  Switch Debouncer/Protectors
Part Number Switch Inputs Edge Triggered Functions Debounce Duration
(ms)
Output Polarity Output Type Switch Inputs
(±V)
ESD Protect.
(±kV)
ICC
(µA)
Package/Pins
max max
MAX6468  1 Falling Edge Non-Retriggerable One-Shot 85 to 300 Active Low Push-Pull +5.5 2 13
SC70/4
SOT/4
MAX6467  Open-Drain
SC70/4
SOT/4
See All Switch Debouncer/Protectors (6)



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