參數(shù)資料
型號: ADP1111AN
廠商: ANALOG DEVICES INC
元件分類: 穩(wěn)壓器
英文描述: Micropower, Step-Up/Step-Down SW Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V
中文描述: 1.5 A SWITCHING REGULATOR, 88 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 11/16頁
文件大?。?/td> 408K
代理商: ADP1111AN
ISWITCH CURRENT – A
1.4
0
0.1
0.2
0.4
0.6
0.8
1.0
1.2
0.6
0.4
0.2
1.0
0.8
VIN = 2V
VIN = 3V
VIN = 5V
SATURATION
VOLTAGE
V
Figure 2. Saturation Voltage vs. ISWITCH Current in
Step-Up Mode
ISWITCH CURRENT – A
2.0
0
0.1
0.2
0.4
0.6
0.8
0.9
1.8
0.6
0.4
0.2
1.6
1.4
VIN = 12V
ON
VOLTAGE
V
1.2
1.0
0.8
Figure 3. Switch ON Voltage vs. ISWITCH Current In
Step-Down Mode
INPUT VOLTAGE – V
1.5
30
3
6
9
12
15
18
21
24
27
0
1400
1200
1000
800
600
400
200
QUIESCENT CURRENT
QUIESCENT
CURRENT
A
Figure 4. Quiescent Current vs. Input Voltage
ADP1111–Typical Characteristics
–4–
REV. 0
76
71
67
230
4
6
8
1012
1518
21
24
27
75
72
70
69
74
73
INPUT VOLTAGE – V
OSCILLATOR
FREQUENCY
kHz
OSCILLATOR FREQUENCY
68
Figure 5. Oscillator Frequency vs. Input Voltage
RLIM
1.9
1.7
0.1
1
1000
10
100
1.5
1.3
0.5
1.1
0.9
0.7
0.3
SWITCH
CURRENT
A
STEP-DOWN WITH
VIN = 12V
STEP-UP WITH
2V < VIN < 5V
Figure 6. Maximum Switch Current vs. RLIM
OSCILLATOR
FREQUENCY
kHz
TEMPERATURE – C
80
70
60
–40
85
25
64
62
68
66
OSCILLATOR FREQUENCY
70
0
78
72
76
74
Figure 7. Oscillator Frequency vs. Temperature
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ADP1111AN-5 制造商:Analog Devices 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 2V to 30V 8-Pin PDIP N 制造商:Rochester Electronics LLC 功能描述:MICROPOWER STEP-UP/DOWN SWITCHING REG. - Bulk
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