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ADP1110 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADP1110
Description  Micropower, Step-Up/Step-Down Switching Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1110 Datasheet(HTML) 4 Page - Analog Devices

 
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ADP1110-Typical Characteristics
–4–
REV. 0
ISWITCH CURRENT – A
1.4
0
0.1
1.4
0.2
0.4
0.5
0.6
0.8
1
1.2
1.25
1.2
0.6
0.4
0.2
1
0.8
VIN = +1V
VIN = +1.2V
VIN = +1.5V
VIN = +2V
VIN = +3V
VIN = +5V
Figure 2. Saturation Voltage vs. ISWITCH Current in Step-Up
Mode
ISWITCH CURRENT – A
2
1.8
0
0.1
0.9
0.2
0.4
0.6
0.8
1.2
0.6
0.4
0.2
1.6
1.4
0.8
1
VIN = +12V
Figure 3. Switch ON Voltage vs. ISWITCH Current In Step-
Down Mode
INPUT VOLTAGE – V
130
3
6
9
12
15
18
21
24
27
1800
0
1600
1400
1200
1000
800
600
400
200
QUIESCENT CURRENT
Figure 4. Quiescent Current vs. Input Voltage
76
66
60
230
4
6
8
1012
1518
21
24
27
74
68
64
62
72
70
INPUT VOLTAGE – V
OSCILLATOR FREQUENCY
Figure 5. Oscillator Frequency vs. Input Voltage
RLIM – Ω
1.9
1.7
0.1
1
1000
10
100
1.5
1.3
0.5
1.1
0.9
0.7
0.3
STEP-DOWN WITH
V = +12V
Figure 6. Maximum Switch Current vs. RLIM
RLIM – Ω
0.1
1
1000
10
100
1.5
1.3
0.5
1.1
0.9
0.7
0.3
STEP-UP MODE
WITH V
≤ +5V
Figure 7. Maximum Switch Current vs. RLIM


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