Document
Voltage Detector
TECHNICAL DATA
IL75XX
FUNCTIONS
Detecting against error operations at the power ON/OFF Resetting function for low voltage microprocessor Checking low battery Active Low CMOS or open drain output (mask option) Tolerance 2%
FEATURES
Low Power Consumption Low Temperature Coefficient Built-in Voltage Reference Comparator Hysteresis TO-92, SOT-23 packages are available
Device IL75xxLF IL75xxST IL75xxPT
ORDERING INFORMATION
Operating Temperature Range
Package
TO-92
TA = -10 to 70 C for all packages
SOT-23 SOT-89
Packing Tape Tape & Reel Tape & Reel
BT75X X
TO-92
VSS V CC OUT
VSS 3
SOT-23
1 VCC
2 OUT
SOT-89
OUT Vcc Vss
GENERAL DESCRIPTION
The IL75XX series are the voltage detectors, consist of a high-precision voltage reference, a comparator with precise thresholds and built-in hysteresis and an output driver.
ABSOLUTE MAXIMUM RATINGS (TA = 25oC)
Characteristic
Symbol
Value
Unit
Supply Voltage Operating Temperature Storage Temperature Output Current
VCC
-0.3 ~ +8.0
V
Topr
-10 ~ +70
oC
Tstg
-40 ~ +125
oC
IO 30 mA
* Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
2011, February, Rev. 01
IL75XX
ELECTRICAL CHARACTERISTICS (TA = 25oC, unless otherwise specified)
Characteristic Supply Voltage
Symbol VCC
Detecting Voltage
VDET
Supply Current
Low Output Voltage High Output Voltage Hysteresis Voltage Detective Voltage Temperature Coefficient
ICC
VOL
VOH
VHYS VDET T VDET
Test Conditions
VCC = 5.0V, No Load VCC = VDET–0.2V, IOL = 0.1mA VCC = VDET+0.2V, IOH = 0.1mA
-10oC < TA <70oC
Min
1.2 2.16 2.35 2.50 2.65 2.74 3.23 3.82 4.12 4.61 4.90
VCC – 0.3V
Typ
2.20 2.40 2.55 2.70 2.80 3.30 3.90 4.20 4.70 5.00
8 0.1
2.0 0.02
Max
5.5 2.24 2.45 2.60 2.75 2.86 3.37 3.98 4.28 4.79 5.10 15 0.3
Unit V
V
A V V % %/oC
BLOCK DIAGRAM
CMOS OUTPUT
VCC RA VB + RB VREF
RC
VCC OUT VSS
OPEN DRAIN OUTPUT
RA VB RB
RC
+
-
VREF
OUT VSS
FUNCTIONAL DESCRIPTION The IL75XX series is the set of voltage detectors equipped with a high stability voltage reference which is connected
to the negative input of a comparator denoted as VREF in block diagram. When the voltage drop to the positive input of the comparator (VB) is high than VREF, VOUT goes high. If VCC is
decreased so that VB falls to a value less than VREF, the comparator output inverts from high to low, VOUT goes low. The device has hysteresis to prevent the circuit from oscillation when VB VREF. If VCC falls below the minimum operating voltage, the output becomes undefined. The detectable voltage is defined as:
VDET RARBRBRCRCVREF
The release voltage is defined as:
RARB
VDET RB VREF
The hysteresis width is:
VHYS VDET () VDET ()
2011, February, Rev. 01
ELECTRICAL CHARACTERISTICS
1. OUTPUT VOLTAGE vs. SUPPLY VOLTAGE BT75A25
3 Ta=25OC
2
Output Voltage: VOUT (V)
1
0 01 23 Supply Voltage: VCC (V)
Output Voltage, VOL (V)
3. NORMALIZED VOL vs. TEMPERATURE
1.6
1.4
1.2 1
0.8
0.6 -50
0 +50 Temperature, TA (OC)
+100
Output Voltage, VOL (V)
4. VOL vs. OUTPUT CURRENT
500 VCC=1.6V
400
VCC=2.5V VCC=5V
300
200
100
0
02
46
Output Current, IOL (mA)
8
Output Voltage, VOH (V)
Output Current: IOUT (mA)
VCC - VOH (V)
IL75XX
2. OUTPUT LOW CURRENT vs. SUPPLY VOLTAGE BT75A25
10 VOUT=0.5V
8
6 Ta=25OC
4
2
0 0 0.5 1.0 1.5 2.0 2.5 3.0 Supply Voltage: VCC (V)
NORMALIZED VOH vs. TEMPERATURE 1.06
1.04 VCC=2.5V, IOH=1.5mA 1.02
1
0.98
0.96
0.94 -50
VCC=5V, IOH=3.5mA VCC=3.5V, IOH=2.5mA
0 +50 Temperature, TA (OC)
+100
VCC - VOH vs. OUTPUT CURRENT
800 700 600 500 400 300 200 100
0 0
VCC=3.5V
VCC=5V
2 46 Output Current, IOH (mA)
8
2011, February, Rev. 01
Output Voltage, VOL (V)
5. VOL vs. SUPPLY VOLTAGE 500
400
300 IOL=4mA
200 IOL=2mA
100 IOL=1mA
IOL=500A 0 1.5 2.5 3.5
Supply Voltage, VCC (V)
4.5
6. SUPPLY CURRENT vs. TEMPERATURE
30
20
10
0 -50
VCC=5V VCC=2.0V
0 +50 Temperature, TA (OC)
+100
VCC - VOH (V)
IL75XX
VCC - VOH vs. SUPPLY VOLTAGE
500
400 IOH=4mA
300 IOH=2mA
IOH=1mA 200
100 IOH=500A
0 1.5 2 2.5 3 3.5 4 4.5 5
Supply Voltage, VCC (V)
NORMALIZED THRESHOLD vs. TEMPERATURE
1.02 1.015 1.010 1.005 1.000 0.995
0.99 0.985 0.98
-50
0 +50 Temperature, TA (OC)
+100
Threshold {1}
Supply Current, ICC (mA)
ORDERING INFORMATION
IL75XX XX
22 -> 2.20V 24 -> 2.40V 25 -> 2.55V
. . 42 -> 4.20V 47 -> 4.70V 50 -> 5.00V
LS = TO-92 Straight (Bulk) LF = TO-92 Form (Taping) ST = SOT-23 (Taping) PT = SOT-89 (Taping)
2011, February, Rev. 01
PACKAGE DIMENSIONS
TO-92
IL75XX
2011, February, Rev. 01
IL75XX
2011, February, Rev. 01
IL75XX
2011, February, Rev. 01
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