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PDF AZ7042R Data sheet ( Hoja de datos )
| Número de pieza | AZ7042R | |
| Descripción | VOLTAGE DETECTOR | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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VOLTAGE DETECTOR
General Description
Features
Data Sheet
AZ70XX
The AZ70XX series ICs are under voltage detectors
with a built in voltage threshold and low power con-
sumption. The AZ70XX are specifically designed to
accurately monitor power supplies.
The AZ70XX use a precision on-chip voltage refer-
ence and a comparator to measure the input operating
voltage. These ICs can accurately reset the system after
detecting voltage at the time of switching power on and
instantaneous power off in various CPU systems and
other logic systems. The detect voltage thresholds are
2.3V/2.5V/2.7V/2.9V/3.1V/3.3V/4.2V/4.5Vfor
AZ7023/25/27/29/31/33/42/45 respectively. Built in
hysteresis helps to prevent erratic operation in the pres-
ence of noise.
The AZ70XX series are available in 2 standard pack-
ages: TO-92 (bulk or ammo packing) and SOT-89.
· Low Current Consumption:
ICCL=300µA Typical
ICCH=30µA Typical
· Low Minimum Operating Voltage for Output
Resetting: 0.8V Typical
· Built in Hysteresis Voltage: 50mV Typical
· Open Collector Output
· Extended Temperature Range: -40 to 85oC
Applications
· Low Battery Voltage Detector
· Power Fail Indicator
· Processor Reset Generator
· Battery Backup Control
· Home Electric Appliances
TO-92(Bulk Packing)
TO-92(Ammo Packing)
SOT-89
Oct. 2011 Rev. 2. 2
Figure 1. Package Types of AZ70XX
BCD Semiconductor Manufacturing Limited
1
1 page  
Data Sheet
VOLTAGE DETECTOR
AZ70XX
Electrical Characteristics
TA=25oC, unless otherwise specified.
Parameter
Detect Voltage
Low-level Output Voltage
Output Leakage Current
Hysteresis Voltage
Detect Voltage Temperature
Coefficient
Circuit Current at On Time
Circuit Current at Off Time
Minimum Operating Voltage
“L”Transmission Delay Time
“H”Transmission Delay Time
Output Current at On Time
Thermal Resistance
(Junction to Case)
Symbol
VDET
VOL
IOH
VHYS
∆VDET/(VDET
× ∆T)
ICCL
ICCH
VOPR
tpHL
tpLH
IOL Ⅰ
IOL Ⅱ
θJC
Conditions
AZ7023R/Z
AZ7025R/Z
RL=200Ω
(Note 2)
AZ7027R/Z
AZ7029R/Z
VOL ≤ 0.4V
AZ7031R/Z
AZ7033R/Z
AZ7042R/Z
AZ7045R/Z
VCC=VDET(min)-0.05V
RL=200Ω (Note 2)
VCC=18V
RL=200Ω (Note 2)
RL=200Ω (Note 2)
VCC=VDET(min)-0.05V
VCC=5.25V
RL=200Ω (Note 2)
VOL ≤ 0.4V
VCC changed from 5.25V to
VDET(min)-0.05V, RL=1.0KΩ,
CL=100p (Note 3)
VCC changed from VDET(min)-
0.05V to 5.25V, RL=1.0KΩ,
CL=100p (Note 3)
VCC=VDET(min)-0.05V
TA=25oC (Note 4)
VCC=VDET(min)-0.05V
TA=-40 to 85 oC (Note 4)
TO-92
SOT-89
Min Typ Max
2.15 2.3 2.45
2.35 2.5 2.65
2.55 2.7 2.85
2.75 2.9 3.05
2.95 3.1 3.25
3.15 3.3 3.45
4.05 4.2 4.35
4.35 4.5 4.65
0.4
0.1
30 50 100
±0.01
300
30
500
50
0.8
10
15
20
16
72
74
Unit
V
V
µA
mV
% /oC
µA
µA
V
µs
µs
mA
oC/W
Note 2: See test circuit 1 and Figure 12.
Note 3: See test circuit 2 and Figure 12.
Note 4: See test circuit 3. Adjusting the regulative power source until the reading value of voltage meter V is 0.4V, the reading
value of current meter A is defined as "Output Current at On Time".
Oct. 2011 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
5
5 Page 
VOLTAGE DETECTOR
Mechanical Dimensions (Continued)
TO-92(Ammo Packing)
Data Sheet
AZ70XX
Unit: mm(inch)
1. 100(0. 043)
1. 400(0.055)
3. 430(0.135)
MIN
0.320(0. 013)
0. 510(0. 020)
0. 000(0.000)
0. 380(0.015)
Φ1. 600(0. 063)
MAX
Φ
4. 400(0. 173)
4.800(0.189)
1. 270(0. 050)
Typ
2. 500(0. 098)
4.000(0.157)
13.000(0. 512)
15.000(0.591)
2.540(0. 100 )
Typ
0.380(0. 015)
0.550(0.022 )
Oct. 2011 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AZ7042R.PDF ] | |
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