Product Brief
VOLTAGE DETECTOR
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Description
The
AP2127 Series are positive Voltage regulator ICs
with
AZ70XX series ICs are under voltage detectors
a built in voltage threshold and low power consumption.
fabricated by CMOS process.
The AZ70XX are specifically designed to accurately
monitor power supplies.
features of low dropout voltage,
The AP2127 Series have
low noise, high output voltage accuracy, and low current
The AZ70XX use a precision on-chip voltage reference
consumption which make them ideal for use in various
and a comparator to measure the input operating voltage.
battery-powered devices.
reset the system after detecting
These ICs can accurately
voltage at the time of switching power on and instanta-
AP2127 has 1.0V
in various
fixed voltage version.
logic
neous power off
and 1.2V
CPU systems and other
systems. The detect voltage thresholds are 2.3V/2.5V/
2.7V/2.9V/3.1V/3.3V/4.2V/4.5V for AZ7023/25/27/29/
31/33/42/45 respectively. Built in hysteresis helps to pre-
vent erratic operation in the presence of noise.
AZ70XX
AP2127
Parametric Table
Input Voltage Range (V)
Supply Voltage (Max) (V)
Output Current (Min) (mA)
Supply Current (Max)(µA)
Quiescent Current (µA)
f=10kHz
Detect Voltage
Accuracy (%)
Temperature
Coefficient (%/
o
C
)
Load Regulation (Max) (%/A)
"H" Transmission Delay Time (µs)
Line Regulation (Max) (%/V)
o
Operating
On/Off Pin
Temperature (Min) (
C
)
Operating
Error Flag
Temperature (Max) (
o
C
)
Operating Junction Temperature (Min)
(
o
C
)
Benefits
Junction Temperature (Max)
Operating
(
o
C
)
·
Easier to Use
·
Very Competitive Price
Detect Voltage (Typ)
PSRR (dB)
f=1kHz
2.5 to 6
20
300
500
60
2.3, 2.5, 2.7,
65
2.9, 3.1, 3.3,
4.2, 4.5
45
±
±0.01
2
0.6
15
0.06
-40
Yes
85
No
-40
85
Features
Features
·
·
·
·
·
·
·
·
·
Wide Operating Voltage: 2.5V to 6V
High
Current
Voltage Accuracy:
±2%
Low
Output
Consumption:
I
CCL
=300
µA
Typical
High Ripple Rejection:
I
CCH
=30
µA
Typical
65dB@ f=1kHz, 45dB@ f=10kHz
Low Standby Current: 0.1µA
Low Minimum Operating Voltage for Output Reset-
ting: 0.8V Typical
Low Quiescent Current: 60µA Typical
Built in Hysteresis
60µVrms
Low Output Noise:
Voltage: 50mV Typical
Open Collector Output
Short Current Limit: 50mA
Over Temperature Protection
-40 to 85
o
C
Extended Temperature Range:
Compatible with Low ESR Ceramic Capacitor: 1µF
for C
IN
and C
OUT
Additional Available Materials
Benefits
·
Samples
·
Data Sheet
·
Equivalent Characteristics to the Products from
·
Reliability Report
Worldwide First-class Vendors
·
ESD Report
·
Very Competitive Price
Applications
·
·
·
Datacom
Notebook Computers
Mother Board
·
Excellent Line/Load Regulation
·
Soft Start Time
: 50µs
·
Low
Discharge Resistance: R
·
Auto
Battery Voltage Detector
DS(ON)
=60Ω
·
Power Fail Indicator
·
Processor Reset Generator
·
Battery Backup Control
Additional Available Materials
·
Home Electric Appliances
·
Samples
·
Preliminary Datasheet
Pin Configuration
·
Reliability Report
·
ESD Report
TO-92
Applications
TO-92 Ammo Packing
SOT-89-3
3
2
1
OUT
GND
V
CC
3
2
1
OUT
GND
V
CC
V
CC
GND OUT
1
2
3
Aug. 2008
Jun. 2007
BCD Semiconductor Manufacturing Limited
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
