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

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The MAX6406–MAX6411 is a family of ultra-low power circuits used for monitoring battery, power-supply, and regulated system voltages. Each detector contains a precision bandgap reference comparator and is trimmed to specified trip threshold voltages. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring system voltages from 2.5V to 5.0V. A manual reset input is also included.

The MAX6406–MAX6411 assert a signal whenever the V_CC supply voltage falls below a preset threshold. These devices are differentiated by their output logic configurations and preset threshold voltages. The MAX6406/MAX6409 (push-pull) and the MAX6408/MAX6411 (open-drain) have an active-low output (active-low OUT is logic low when V_CC is below V_TH). The MAX6407/MAX6410 have an active-high push-pull output (OUT is logic high when V_CC is below V_TH). All parts are guaranteed to be in the correct output logic state for V_CC down to 1V. The detector is designed to ignore fast transients on V_CC. The MAX6406/MAX6407/MAX6408 have voltage thresholds between 2.20V and 3.08V in approximately 100mV increments. The MAX6409/MAX6410/MAX6411 have voltage thresholds between 3.30V and 4.63V in approximately 100mV increments.

Ultra-low supply current of 500nA (MAX6406/MAX6407/MAX6408) makes these parts ideal for use in portable equipment. These devices are available in 4-bump chip-scale packages (UCSP™).

Key Features

Applications/Uses

Tiny 4-Bump (2 x 2) UCSP (See UCSP Reliability Section for More Details).
70% Smaller Than SC70 Packages
Ultra-Low 500nA Supply Current (MAX6406/MAX6407/MAX6408)
Factory-Trimmed Reset Thresholds from 2.20V to 4.63V in Approximately 100mV Increments
±2.5% Threshold Accuracy (-40°C to +85°C)
Manual Reset Input
Guaranteed OUT Valid to V_CC = 1.0V
Three Reset Output Logic Options: Active-Low Push-Pull, Active-High Push-pull, and Active-Low Open-Drain
Immune to Short V_CC Transients
No External Components

	Cell Phones
	MP3 Players
	Pagers
	PDAs
	Portable Battery-Powered Equipment

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. I_CC (µA)

Price^**

MAX6406

1.8 to 2.5
2.5 to 3.3

Push-Pull

<1ms

No Watchdog

Manual Reset

2.5

0.5

$0.90 @ 1k

MAX6407

1.8 to 2.5
2.5 to 3.3

Push-Pull

0.5

$0.90 @ 1k

MAX6408

1.8 to 2.5
2.5 to 3.3

Open Drain

0.5

$0.90 @ 1k

MAX6409

2.5 to 3.3
3.3 to 5.5

Push-Pull

$0.90 @ 1k

MAX6410

2.5 to 3.3
3.3 to 5.5

Push-Pull

$0.90 @ 1k

MAX6411

2.5 to 3.3
3.3 to 5.5

Open Drain

$0.90 @ 1k

See All Supervisors (1 Monitored Voltage) (268)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.