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PDF AZ1117E Data sheet ( Hoja de datos )
| Número de pieza | AZ1117E | |
| Descripción | 1.0A LOW DROPOUT LINEAR REGULATOR | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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Preliminary Datasheet
1.0A LOW DROPOUT LINEAR REGULATOR
AZ1117E
General Description
The AZ1117E is a low dropout three-terminal
regulator with 1.0A output current ability, and the
dropout voltage is specified at typical 1.1V at 1.0A
current load, decreasing at lower load currents.
The AZ1117E has been optimized for low voltage
where transient response and minimum input voltage
are critical. It provides current limit and thermal
shutdown protection solutions. Its circuit includes a
trimmed band gap reference to assure output voltage
accuracy to be within ±1%. On-chip thermal
shutdown provides protection against a combination
of high current and ambient temperature that would
create excessive junction temperature.
The AZ1117E is available in 1.2V, 1.5V, 1.8V, 2.5V,
3.3V and 5.0V fixed output voltage versions and ADJ
output voltage version. The fixed versions integrate
the adjust resistors.
The AZ1117E is available in the industry-standard
TO-252-2 (3) and SOT-223 packages.
Features
• Provide ADJ version (VREF=1.25V) and fixed
voltage 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5.0V
with accuracy ±1% (except 1.2V)
• Current Limit: 1.3A (Typ.)
• Dropout Voltage: 1.1V (Typ.) @IOUT=1A
• Regulator Stable with Low ESR MLCC
• Excellent Line Regulation: 0.001%/V (Typ.) @
IOUT=30mA
• Excellent Load Regulation: 0.2%/A @IOUT=1A
• Quiescent Current: 3.5mA
• Low Output Noise
• PSRR: 70dB
• OTSD Protection
• Operation Junction Temperature:
-40°C to 125°C
Applications
• TVs and LCD Monitors
• PC Peripherals: Notebooks, Motherboards
• STB
SOT-223
TO-252-2 (3)
Figure 1. Package Types of AZ1117E
Mar. 2013 Rev 1. 0
BCD Semiconductor Manufacturing Limited
1
Free Datasheet http://www.datasheet4u.com/
1 page  
Preliminary Datasheet
1.0A LOW DROPOUT LINEAR REGULATOR
AZ1117E
Electrical Characteristics
VIN=VOUT+1.5V, CIN=1.0µF (Ceramic), COUT=1.0µF (Ceramic), Typical TA=25°C, Bold typeface applies over
-40°C≤TJ≤125°C ranges, unless otherwise specified.
Parameter
Symbol
Condition
Min
Reference Voltage
Output Voltage
(Fixed Versions)
Dropout Voltage
VREF
VOUT
VDROP
VOUT+1.5V≤VIN≤12V,
IOUT=10mA
For 1.2V,
VOUT+1.5V≤VIN≤12V,
IOUT=10mA
For 1.5V to 5V,
VOUT+1.5V≤VIN≤12V,
IOUT =10mA
IOUT=1A
1.238
98%*VOUT
98%*VOUT
96%*VOUT
99%*VOUT
98%*VOUT
Maximum Output Current
IOUT(MAX)
1.5V≤VIN-VOUT
Load Regulation
Line Regulation
Quiescent Current
Minimum Load Current
VRLOAD
VRLINE
IQ
VIN=VOUT+1.5V
1mA≤IOUT≤1A
1.5V≤VIN-VOUT≤10V,
IOUT=30mA
For Fixed Voltage Version,
IOUT=0
For ADJ Version,
1.5V≤VIN-VOUT≤10V
Adjustable Pin Current
IADJ
Adjustable Pin Current
Change
1.5V≤VIN-VOUT≤10V
Power Supply
Rejection Ratio
PSRR
Ripple 1.0 Vp-p
VIN=VOUT+2V,
IOUT=100mA
Output Voltage
Coefficient
Temperature ΔVOUT / VOUT
ΔT
IOUT=30mA
f=120Hz
f=1kHz
1
RMS Output Noise
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
VNOISE
TOTSD
THYOTSD
10Hz≤f≤100kHz, No Load
Thermal Resistance
(Junction to Case)
SOT-223
θJC
TO-252-2 (3)
Typ
1.250
VOUT
VOUT
VOUT
VOUT
VOUT
1.1
1.3
Max Unit
1.262
V
102%*VOUT
102%*VOUT
104%*VOUT
101%*VOUT
102%*VOUT
1.3
V
V
V
V
V
V
A
0.2 0.6 %/A
0.001
±0.04 %/V
3.5 6 mA
2 5 mA
45 90 µA
0.2 5 µA
70
dB
70
±30 ppm/°C
0.003
170
%
°C
20 °C
40
°C/W
24
Mar. 2013 Rev 1. 0
BCD Semiconductor Manufacturing Limited
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
Preliminary Datasheet
1.0A LOW DROPOUT LINEAR REGULATOR
AZ1117E
Mechanical Dimensions
SOT-223
Unit: mm(inch)
Mar. 2013 Rev 1. 0
BCD Semiconductor Manufacturing Limited
11
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AZ1117E.PDF ] | |
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