MAX16050 Datasheet, PDF (6/22 Pages) Maxim Integrated Products – Voltage Monitors/Sequencer Circuits with Reverse-Sequencing Capability

Voltage Monitors/Sequencer Circuits with
Reverse-Sequencing Capability
Pin Description
PIN
MAX16050 MAX16051
1
1
2
2
3
3
NAME
FUNCTION
V_CC
GND
ABP
Device Power-Supply Input. Connect to 2.7V to 13.2V. Bypass V_CC to GND with a 0.1µF
capacitor.
Ground
Internal Supply Bypass Input. Connect a 1µF capacitor from ABP to GND. ABP is an
internally generated voltage and must not be used to supply more than 1mA to external
circuitry.
4
4
EN
Analog Enable Input. Connect a resistive divider at EN to monitor a voltage. The EN
threshold is 0.5V.
5
5
SET4
Set Monitored Threshold 4 Input. Monitor a voltage by setting the threshold with an
external resistive divider. The SET4 threshold is 0.5V.
6
6
OUT4 ^{Open-Drain Output 4. When the voltage at SET3* is above 0.5V, OUT4 goes high}
impedance. OUT4 requires an external pullup resistor and can be pulled up to 13.2V.
7
7
DISC4 ^{Discharge Pulldown Input 4. During normal operation, DISC4 is high impedance. During a}
fault condition or power-down, DISC4 provides an 85mA sink current.
8
8
SET3
Set Monitored Threshold 3 Input. Monitor a voltage by setting the threshold with an
external resistive divider. The SET3 threshold is 0.5V.
9
9
OUT3
Open-Drain Output 3. When the voltage at SET2* is above 0.5V, OUT3 goes high
impedance. OUT3 requires an external pullup resistor and can be pulled up to 13.2V.
10
10
DISC3 ^{Discharge Pulldown Input 3. During normal operation, DISC3 is high impedance. During a}
fault condition or power-down, DISC3 provides an 85mA sink current.
11
11
SET2 ^{Set Monitored Threshold 2 Input. Monitor a voltage by setting the threshold with an}
external resistive divider. The SET2 threshold is 0.5V.
12
12
OUT2
Open-Drain Output 2. When the voltage at SET1* is above 0.5V, OUT2 goes high
impedance. OUT2 requires an external pullup resistor and can be pulled up to 13.2V.
13
13
DISC2
Discharge Pulldown Input 2. During normal operation, DISC2 is high impedance. During a
fault condition or power-down, DISC2 provides an 85mA sink current.
Enable Hold Input. When EN_HOLD is low, the device does not start the reverse-
14
14
EN_HOLD sequencing process regardless of the status of the SHDN input. Reverse sequencing is
allowed when this input is pulled high. Connect to ABP if unused.
Open-Drain Bus Removal Output. REM goes high impedance when all DISC_ inputs are
15
15
REM below the DISC_ power low threshold (V_{TH_PL}). REM goes low when any DISC_ input goes
above V_{TH_PL}. REM requires an external pullup resistor and can be pulled up to 13.2V.
16
16
DISC1
Discharge Pulldown Input 1. During normal operation, DISC1 is high impedance. During a
fault condition or power-down, DISC1 provides an 85mA sink current.
17
17
OUT1
Open-Drain Output 1. When the voltage at EN* is above 0.5V, OUT1 goes high
impedance. OUT1 requires an external pullup resistor and can be pulled up to 13.2V.
*This applies to the MAX16051. For the MAX16050, see Table 1 for the output sequence order.
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