Texas Instruments

Category: Power Management ICs

UC3903 Quad Supply and Line Monitor

$2.85 - $5.98
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey UC3903Q-ND 0 $3.12 $0.00 $0.00 Buy
Arrow North American Components UC3903Q 88 46 $6.60 $0.00 $3.18 $0.00 $0.00 $0.00 Buy
AVNET Europe UC3903Q 1 * $4.91 * $4.42 * $4.07 * $3.98 * $3.98 * $3.98 Buy
AVNET Express UC3903Q 14 1 $2.72 $2.68 Buy
Mouser Electronics 595-UC3903Q 0 1 $5.26 Buy
Newark UC3903Q 138 $5.98 $5.29 $4.67 $4.34 $4.34 $4.34 Buy
Verical Marketplace UC3903Q 46 46 $5.38 $0.86 $4.38 $0.00 $0.00 Buy
Win Source UC3903Q 3540 5 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
# of supplies monitored 4
Approx. Price (US$) 2.21 | 1ku
Iq(Typ)(uA) 7000
Monitored Voltage 1 (typ)(Nom)(V) Adjustable
Monitored Voltage 2 (typ)(Nom)(V) Adjustable
Monitored Voltage 3 (typ)(Nom)(V) Adjustable
Monitored Voltage 4 (typ)(Nom)(V) Adjustable
Operating Temperature Range(C) 0 to 70
Output Driver Type / Reset Output Active-low,Open-drain
Package Group SOIC,PLCC
Package Size mm2
Rating Catalog
Reset Threshold Accuracy(%) 5
Special Features Negative Voltage Monitoring,Over Voltage Sense
Threshold Voltage 1(Typ)(V) 1.8
Threshold Voltage 2 (typ)(Typ)(V) Adjustable
Threshold Voltage 3 (typ)(Typ)(V) Adjustable
Threshold Voltage 4 (typ)(Typ)(V) Adjustable
Time Delay(ms) Programmable
VCC(Max)(V) 40
VCC(Min)(V) 8
Watchdog Timer WDI(sec) None