ELM77xxxxxC
CMOS Dual voltage detector
■General description
ELM77xxxxxC is CMOS dual voltage detector which consists of two comparator circuits watching Vdetn2
(Vdd level) and Vdetn1(Vdet input level) simultaneously and independently. This configuration enables output
to maintain the state of detection even when voltage of the Vdet input level drops to 0V.
■Features
• Detection voltage range
• Low current consumption
• High accuracy of
detection voltage
: Vdetn1 (Vdet) 0.8V to 5.0V (by0.1V)
Vdetn2 (Vdd) 1.1V to 5.0V (by0.1V)
: Typ.0.6μA(Vdd=3.0V)
: ±2.0%(Vdetn1,2>1.5V)
±30mV(Vdetn1,2≤1.5V)
■Application
• Reset for microcomputers
• Power voltage shortage detectors
• Switch of backup power source
• Battery checkers
• High input resistance
: Typ.10MΩ
• Low temperature coefficient : Typ.±100ppm/°C
• Output configuration
• Small package
: N-ch open-drain
: SOT-25
■Maximum absolute ratings
Parameter
Power supply voltage
Input voltage(for detection voltage)
Output voltage
Output current
Power dissipation
Operationg temperature
Storage temperature
Symbol
Vdd
Vdet
Vout1
Vout2
Iout1
Iout2
Pd
Top
Tstg
Limit
Vss-0.3 to 10.0
Vss-0.3 to 10.0
Vss-0.3 to 10.0
25
250
-40 to +85
-55 to +125
Unit
V
V
V
mA
mW
°C
°C
■Selection guide
ELM77xxxxxC-x
Symbol
a, b
c, d
e
f
g
Detection voltage2
Detection voltage1
Package
Product version
Taping direction
e.g.)
22: Vdetn2=2.2V, 24: Vdetn2=2.4V
27: Vdetn2=2.7V
e.g.)
09: Vdetn1=0.9V, 11: Vdetn1=1.1V
B: SOT-25
C
S: Refer to PKG file
N: Refer to PKG file
ELM77 x x x x x C - x
↑ ↑ ↑ ↑ ↑ ↑ ↑
a b c d e f g
10 - 1