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参数资料
| 型号： | ADP3050-BL1-EVZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADP3050 |
| 标准包装： | 1 |
| 系列： | * |
Data Sheet
SPECIFICATIONS
V IN = 10 V, T A = ?40°C to +85°C, unless otherwise noted.
Table 1.
ADP3050
Parameter 1
Symbol
Conditions
Min
Typ
Max
Unit
FEEDBACK
Feedback Voltage
V FB
Over line and temperature
ADP3050
ADP3050-3.3
ADP3050-5
Line Regulation
V IN = 10 V to 30 V, no load
1.16
3.20
4.85
1.20
3.30
5.00
0.005
1.24
3.40
5.15
V
V
V
%/V
Load Regulation
I LOAD = 100 mA to 1 A, ADP3050AR only
ADP3050AR-3.3, ADP3050AR-5
?1.0
?0.5
+0.1
+0.1
+1.0
+0.5
%/A
%/A
Input Bias Current
I FB
ADP3050AR only
0.65
2
μA
ERROR AMPLIFIER
Transconductance 2
Voltage Gain 2
g m
A VOL
1250
300
μMho
V/V
Output Current
ADP3050
ADP3050-3.3
ADP3050-5
COMP = 1.0 V, FB = 1.1 V to 1.3 V
COMP = 1.0 V, FB = 3.0 V to 3.6 V
COMP = 1.0 V, FB = 4.5 V to 5.5 V
±115
±120
±135
μA
μA
μA
OSCILLATOR
Oscillator Frequency 3
Minimum Duty Cycle
Maximum Duty Cycle
f OSC
D MIN
D MAX
170
200
10
90
240
kHz
%
%
SWITCH
Average Output Current Limit 4
I CL(AVG)
ADP3050
ADP3050-3.3
ADP3050-5
Peak Switch Current Limit 5
Saturation Voltage
I CL(PEAK)
BOOST = 15 V, FB = 1.1 V
BOOST = 15 V, FB = 3.0 V
BOOST = 15 V, FB = 4.5 V
BOOST = 15 V, I LOAD = 1 A
1.0
1.0
1.0
1.5
1.25
1.25
1.25
1.7
0.65
1.5
1.5
1.5
2.1
0.95
A
A
A
A
V
Leakage Current
SHUTDOWN
Input Voltage Low
Input Voltage High
SUPPLY
2.0
50
0.4
nA
V
V
Input Voltage Range 6
Minimum BIAS Voltage
Minimum BOOST Voltage
V IN
V BIAS
V BOOST
3.6
30
3.0
3.0
V
V
V
IN Supply Current
I Q
Normal Mode
Shutdown Mode
BIAS = 5.0 V
SD = 0 V, V IN ≤ 30 V
0.7
15
1.5
40
mA
μA
BIAS Supply Current
BOOST Supply Current
I BIAS
I BOOST
BIAS = 5.0 V
BOOST = 15 V, I SW = 0.5 A
BOOST = 15 V, I SW = 1.0 A
4.0
18
20
6.0
40
mA
mA
mA
1
2
3
4
5
6
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Transconductance and voltage gain measurements refer to the internal amplifier without the voltage divider. To calculate the transconductance and gain of the fixed
voltage parts, divide the values shown by FB/1.20.
The switching frequency is reduced when the feedback pin is lower than 0.8 × FB.
See Figure 24 for typical application circuit.
Switch current limit is measured with no diode, no inductor, and no output capacitor.
Minimum input voltage is not measured directly, but is guaranteed by other tests. The actual minimum input voltage needed to keep the output in regulation
depends on output voltage and load current.
Rev. C | Page 3 of 20
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