ADP1173 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
ADP1173 Datasheet PDF : 16 Pages
| |||
ADP1173–Typical Performance Characteristics
1.2
1.0
VIN = 3V
VIN = 2V
0.8
0.6
VIN = 5V
0.4
0.2
0
0.2 0.4 0.6 0.8 1.0 1.2
SWITCH CURRENT – A
Figure 2. Saturation Voltage vs.
Switch Current in Step-Up Mode
1.6
1.4
VCE(SAT)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75
SWITCH CURRENT – A
Figure 3. Switch ON Voltage vs.
Switch Current in Step-Down Mode
1100
1000
900
800
700
600
500
400
300
200
100
10
2V < VIN < 5V
100
RLIM – Ω
1000
Figure 4. Maximum Switch Current
vs. RLIM in Step-Up Mode
1000
900
VIN =24V WITH L = 500µH @ VOUT = 5V
800
700
600
500
400
300
200 VIN =12V WITH L = 250µH @ VOUT = 5V
100
0
100
1000
RLIM – Ω
Figure 5. Maximum Switch Current
vs. RLIM in Step-Down Mode
100
90
80
70
60
50
40
VIN = 5V
30
20
VIN = 2V
10
0
0 100 200 300 400 500 600 700 800 900
SWITCH CURRENT – mA
Figure 6. Supply Current vs.
Switch Current
120
110
QUIESCENT CURRENT
100
90
80
70
60
50
40
–40
0
25
70
85
TEMPERATURE – °C
Figure 7. Quiescent Current vs.
Temperature
25.5
25
24.5
24
23.5
23
22.5
22
21.5
3
OSCILLATOR FREQUENCY
5
10 15 20 25 30
INPUT VOLTAGE – Volts
Figure 8. Oscillator Frequency vs.
Input Voltage
80
70
60
VIN = 3V
50
40
30
20
10
–40
0
25
70
85
TEMPERATURE – °C
Figure 9. Set Pin Bias Current vs.
Temperature
450
400
350
300
250
200
VIN = 3V
150
100
50
0
–40
0
25
70
85
TEMPERATURE – °C
Figure 10. Feedback Pin Bias Current
vs. Temperature
–4–
REV. 0
Share Link: 