BELLING BL8569

BL8569
Dual 500mA High PSRR Linear Regulator
DESCRIPTION
FEATURES
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BL8569 dual,low-noise,low-dropout regulator
delivers at least 500mA of continuous output
current. The output voltage for each regulator
is set independently by trimming.Voltages are
selectable in 100mV steps within a range of
1.2V to 4.5V. The BL8569 includes two
independent logic-controlled shutdown inputs
and allows the output of each regulator to be
turned of independently.
BL8569 includes high accuracy voltage
reference, error amplifier, current limit circuit
and output driver module.
Two low dropout voltage regulators
500mA output current for each LDO
Low output noise (50uVRMS)
Low dropout Voltage:[email protected](Typ)
Standby Mode: 0.1uA
High Ripple Rijection:[email protected] (Typ)
Excellent Line regulation: 0.05%/V
Independent Shutdown controls
1.2V to 4.5V Factory-Preset Output
Output Current Limit
Highly Accurate: ±2%
APPLICATIONS
BL8569 has excellent load and line transient
response
and
good
temperature
characteristics, which can assure the stability
of chip and power system. And it uses
trimming technique to guarantee output
voltage accuracy within±2%.
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BL8569 is available in SOT-23-6 package
which is lead(Pb)- free
TYPICAL APPLICATION
Cellular phones
Cordless phones and radio
communication equipment
Battery Powered equipment
Notebook and hand-hold equipment
Wireless LAN
GPS receivers
ELECTRICAL CHARACTERISTICS
PSRR
80
70
PSRR(dB)
60
Vout=3.3V
50
40
30
20
APPLICATION HINTS
10
NOTE:
Input capacitor (Cin=1uF) and Output
capacitor (Cout=1uF/3.3uF) are
recommended in all application circuit.
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0
0.01
0.1
1
10
Freq(KHz)
1
100
1000
BL8569
ORDERING INFORMATION
PIN CONFIGURATION
BL8569 □
1 □
2 □
3 □
4 □
5
Product
Classification
Code
Description
1
□
Temperature&Rohs:
C:-40~85°C ,Pb Free Rohs Std.
Package type:
B6:SOT-23-6
Packing type:
TR:Tape&Reel (Standard)
CH1 Output voltage:
e.g. 15=1.5V
28=2.8V
45=4.5V
CH2 Output voltage:
e.g. 15=1.5V
28=2.8V
45=4.5V
2
□
3
□
4
□
5
□
BL8569CB6TR□□
Marking
LXZZ
MARKING DESCRIPTON
L:Product
Code
X:Output
Voltage
ZZ:Data
Code
Vss
Ground Pin
Vin
Supply Voltage Input
Vout1
CH1 Output Voltage
CE1
Chip Enable1
CE2
Chip Enable2
Vout2
CH2 Output Voltage
L: Product Code
X: Output Voltage
Code
B
C
D
E
G
H
I
J
Vout1
1.5V
1.5V
1.5V
1.5V
1.8V
1.8V
1.8V
1.8V
Vout2
2.8V
3.0V
3.3V
4.0V
2.5V
2.8V
3.0V
3.3V
ABSOLUTE MAXIMUM RATING
Code
M
O
P
Q
R
S
T
U
Vout1
2.8V
2.8V
2.8V
3.0V
3.0V
3.0V
3.3V
3.3V
Vout2
1.8V
2.8V
3.0V
2.5V
3.0V
3.3V
1.8V
3.3V
Z: The Year of manufacturing,”7” stands for year
2007,”8” stands for year 2008,and “ 0 ” stands for
year 2010.
Z: The week of manufacturing. ”A” stands for
week 1,”Z” stands for week 26,” A ” stands for
week 27,” Z ” stands for week 52.
Parameter
Value
Max Input Voltage
Operating Junction
Temperature(Tj)
Ambient
Temperature(Ta)
Power
SOT-23-6
Dissipation
Storage
Temperature(Ts)
Lead Temperature &
Time
8V
125°C
-40°C -85°C
250mW
-40°C -150°C
260°C,10S
Note:
Exceed these limits to damage to the device.
Exposure to absolute maximum rating
conditions may affect device reliability.
RECOMMENDED WORK
CONDITIONS
Parameter
Input Voltage Range
Ambient Temperature
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2
Value
Max. 6V
-40°C –85°C
BL8569
ELECTRICAL CHARACTERISTICS
(Test Conditions: Cin=1uF,Cout=3.3uF,TA=25°C, unless otherwise specified. )
BL8569, For Arbitrary Output Voltage
Symbol
Parameter
Vin
Input Voltage
Vout
Output Voltage
Iout (Max.)
Maximun Output
Current
Vdrop
Dropout
Voltage,Vout≥2.8V
∆Vout
∆Vin ⋅ Vout
Line Regulation
∆Vout / ∆Iout
Load Regulation
Iss
Supply Current
Supply Current
(Standby)
Output Voltage
Temperature
Coefficiency
Istandby
∆Vout
∆T ⋅ Vout
PSRR
Ripple Rejection
Ilim
Vceh
Vcel
en
Short Current Limit
CE Input Voltage “H”
CE Input Voltage “L”
Output Noise
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Conditions
Vin=Set Vout+1V
1mA≤Iout≤30mA
Min
1.2
Vout
x0.98
Typ
Vout1
Max
6
Vout
X1.02
600
Units
V
V
mA
Iout=50mA
25
40
mV
Iout=100mA
50
75
mV
Iout=150mA
75
115
mV
Iout=400mA
220
280
mV
Iout=40mA
2.8V≤Vin≤6V
0.05
0.1
%/V
100
150
mV
30
50
uA
0.1
1.0
uA
Vin=Set Vout+1V
1mA≤Iout≤500mA
Vin=Set Vout+1V
Vin=Set Vout+1V
Vce=0V
Vin=Set Vout+1V
Iout=30mA
F=1000Hz,
Ripple=0.5Vp-p
Vin=Set Vout+1V
Vout=0V
±50
ppm/°C
72
dB
500
mA
V
V
uVrms
1.4
0.25
BW=10Hz~100kHz
3
50
BL8569
BLOCK DIAGRAM
Explanation
BL8569 series are highly accurate ,Dual,low noise,CMOS low dropout voltage regulators.
The output voltage for each regulator is set independently by trimming. Voltages are selectable in
100mV steps within a range of 1.2V to 4.5V . It also can be customized on command.
BL8569 includes high accuracy voltage reference, error amplifier, current limit circuit and output
driver module.
BL8569 has excellent load and line transient response and good temperature characteristics,
which can assure the stability of chip and power system. And it uses trimming technique to
guarantee output voltage accuracy within±2%.
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4
BL8569
TYPICAL PERFORMANCE CHARACTERISTICS
1) Output Voltage vs. Output Current (with
output short protection)
2) Output Voltage vs. Input Voltage
Line Regulation
Current limit Vs. Vout
3.5
3.313
3
3.3125
VOUT(V)
Vout(V)
2.5
2
3.312
3.3115
1.5
3.311
1
3.3105
0.5
3
3.5
4
0
0
200
400
600
800
1000
1200
1400
5
5.5
6
1600
Iload(mA)
Iout=14(mA)
3) Dropout Voltage vs. Output Current
4) Ripple rejection vs. Frequency
PSRR
Dropout & Iout
80
180
160
70
Vout=3.3V
140
60
120
PSRR(dB)
Dropout(mV)
4.5
VIN(V)
100
80
60
50
40
30
40
20
20
10
0
0
50
100
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150 200
Iout(mA)
250
300
0
0.01
350
Vout=3.3V
0.1
1
10
Freq(KHz)
5
100
1000
BL8569
5) Line transient response
Cin=Cout=1uF
Iout=25mA
vout=3.3V
5V
5V
Vin
4V
Vin
Vout
4V
Vout
6) Load transient response
Cin=Cout=1uF Vin=4.5v Vout=3.3V
50mA
50mA
1mA
Output Current
Output Current
1mA
Output Voltage
Output Voltage
7) Start up from EN
8) Shut down from EN
Output
Output
EN
EN
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6
BL8569
PACKAGE LINE
Package
SOT-23-6
Devices per reel
Package dimension:
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7
3000Pcs
Unit
mm