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ADP3000AR Datasheet(PDF) 4 Page - Analog Devices

Part # ADP3000AR
Description  Micropower Step-Up/Step-Down Fixed 3.3 V, 5 V, 12 V and Adjustable High Frequency Switching Regulator
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3000AR Datasheet(HTML) 4 Page - Analog Devices

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ADP3000
–4–
REV. 0
–Typical Characteristics
SWITCH CURRENT – A
2.5
2.0
0
0.1
0.2
1.5
0.4
0.6
0.8
1.0
1.2
1.4
1.5
1.0
0.5
VIN = 2V @ TA = +25°C
VIN = 3V @ TA = +25°C
VIN = 5V @ TA = +25°C
Figure 4. Switch ON Voltage vs.
Switch Current in Step-Up Mode
INPUT VOLTAGE – V
406
401
396
24
30
6
8
10 12
15 18 21 24
27
405
402
400
399
404
403
OSCILLATOR FREQUENCY –
@ TA = +25°C
Figure 7. Oscillator Frequency vs.
Input Voltage
RLIM – Ω
1.8
1.6
0
110
1k
100
0.6
0.2
0.4
1.0
0.8
1.4
1.2
TA = +85°C
TA = 0°C
TA = +25°C
VIN = 3V
Figure 8c. Maximum Switch Current
vs. RLIM in Step-Up Mode (3 V)
SWITCH CURRENT – A
0.1
0.2
0.9
0.3
0.4
0.5
0.6
0.8
0.0
0.8
0.6
0.4
0.2
1.0
VIN = 12V @ TA = +25°C
VIN = 5V @ TA = +25°C
1.4
1.2
Figure 5. Saturation Voltage vs.
Switch Current in Step-Down Mode
RLIM – Ω
0.8
0.7
0
110
1k
100
0.2
0.1
0.4
0.3
0.6
0.5
TA = +25°C
TA = +85°C
TA = 0°C
VIN = 5V
Figure 8a. Maximum Switch Current
vs. RLIM in Step-Down Mode (5 V)
TEMPERATURE –
°C (T
A)
440
430
330
–40
0
85
25
70
380
360
350
340
420
410
400
390
370
Figure 9. Oscillator Frequency vs.
Temperature
INPUT VOLTAGE – V
1400
0
1.5
3
30
6
9
12 15
18
21 24
27
1200
1000
800
600
400
200
QUIESCENT CURRENT @ TA = +25°C
Figure 6. Quiescent Current vs.
Input Voltage
RLIM – Ω
1.8
1.6
0
110
1k
100
0.6
0.2
0.4
1.0
0.8
1.4
1.2
TA = +25°C
TA = +85°C
TA = 0°C
VIN = 12V
Figure 8b. Maximum Switch Current
vs. RLIM in Step-Down Mode (12 V)
TEMPERATURE –
°C (T
A)
2.30
2.25
1.80
–40
0
85
25
70
2.00
1.95
1.90
1.85
2.20
2.15
2.10
2.05
Figure 10. Switch ON Time vs.
Temperature


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