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PDF APE8837 Data sheet ( Hoja de datos )
| Número de pieza | APE8837 | |
| Descripción | DUAL CHANNEL LDO REGULATORS | |
| Fabricantes | Advanced Power Electronics | |
| Logotipo |  |
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Advanced Power
Electronics Corp.
APE8837
DUAL CHANNEL LDO REGULATORS WITH ENABLE
FEATURES
▓ Input Voltage Range : 2.5V to 6V
▓ Varied Fixed Output Voltage Combinations
▓ 200mV Dropout at 200mA Output Current (Vout
≧2.5V)
▓ Output Current: 200mA/channel (typ.)
▓ Low Quiescent Current : 60uA (typ.)
▓ Current Limit and Short Current Protection
▓ Thermal Shutdown Protection
▓ Fast Transient Response
▓ Low ESR Capacitor Compatible (X7R, X5R)
▓ Halogen Free Product
DESCRIPTION
The APE8837 is a high accurately, low noise, high
ripple rejection ratio, low dropout, dual CMOS LDO
voltage regulators with enable function. The EN
function allows the output of each regulator to be
turned off independently, resulting in greatly reduced
power consumption.
The APE8837 has the soft start function to suppress
the inrush current. The current limit is over 250mA
per channel and also operates as a short protection
for the output current limiter. The output voltage for
each regulator is set independently by metal
trimming.
The APE8837 is fully compatible with low ESR
ceramic capacitors, reducing cost and improving
output stability. This high level output stability is
.maintained even during frequent load fluctuations,
due to the excellent transient response performance
and high PSRR achieved across a broad range of
frequency. It is available in the SOT-26, TSOT-26
and DFN 2x2 packages.
TYPICAL APPLICATION
VIN
VOUT2
CIN
2.2uF
EN 2 VIN EN 1
VOUT 2 VOUT 1
GND
COUT2
2.2uF
APE8837
VOUT1
COUT1
2.2uF
Data and specifications subject to change without notice
1
20140331V7.4
1 page  
Advanced Power
Electronics Corp.
TYPICAL PERFORMANCE CHARACTERISTICS
APE8837
VIN VS. ICCQ
100
80
60
40
20
Channel1+Channel2
IOUT1=IOUT2=0mA
0
2.5 3 3.5 4 4.5 5 5.5 6
VIN (V)
VIN VS. Shutdown Current
5
4
3
2
1
VEN1=VEN2=0V
0
2.5 3 3.5 4 4.5 5 5.5 6
VIN (V)
VIN VS. VOUT
1.22
1.216
1.212
1.208
1.204
1.2
.
1.196
1.192
1.188
1.184
1.18
IOUT=1mA
2.5 3 3.5 4 4.5 5 5.5 6
VIN (V)
3.4
3.38
3.36
3.34
3.32
3.3
3.28
3.26
3.24
3.22
3.2
4
VIN VS.VOUT
4.5 5
VIN (V)
IOUT=1mA
5.5 6
1.3
1.28
1.26
1.24
1.22
1.2
1.18
1.16
1.14
1.12
1.1
0
IOUT VS. VOUT
VIN=5V
50 100 150
IOUT (mA)
200
3.4
3.35
3.3
3.25
3.2
0
IOUT VS. VOUT
VIN=5V
50 100 150
IOUT (mA)
200
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet APE8837.PDF ] | |
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