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ADP3000 데이터시트(PDF) 10 Page - Analog Devices

부품명 ADP3000
상세설명  Micropower Step-Up/Step-Down Fixed 3.3 V, 5 V, 12 V and Adjustable High Frequency Switching Regulator
PDF  12 Pages
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ADP3000 데이터시트(HTML) 10 Page - Analog Devices

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ADP3000
–10–
REV. 0
ILIM
VIN
SW1
SENSE
SW2
GND
ADP3000-5V
C1
47µF
16V
VIN
5V
4
1
2
3
8
5
+
L1
15µH
+
240
Ω
L1 = SUMIDA CD53-150
C1 = AVX TPS D476 M016R0150
C2 = AVX TPS D107 M010R0100
TYPICAL EFFICIENCY = 60%
VOUT
–5V
100mA
C2
100µF
10V
D1
IN5817
Figure 26. 5 V to –5 V/100 mA Inverter
ILIM
VIN
SET
AO
GND SW2
FB
SW1
ADP3000
IN1
IN2
GND
VO2
VO1
ADP3302AR1
SD
1M
Ω
90k
Ω
100k
Ω
+
100µF
10V
AVX-TPS
–
120
Ω
33nF
100k
Ω
330k
Ω
90k
Ω
2N2907
(SUMIDA – CDRH62)
6.8µH
IN5817
348k
Ω
1%
200k
Ω
1%
+
–
100µF
10V
AVX-TPS
1µF
6V
(MLC)
1µF
6V
(MLC)
3V
100mA
3V
100mA
2.5V
→ 4.2V
10k
Ω
Figure 27. 1 Cell LI-ION to 3 V/200 mA Converter with Shutdown at VIN ≤ 2.5 V
80
75
70
65
2.6
3.0
3.4
3.8
4.2
AT VIN ≤ 2.5V
SHDN IQ = 500µA
IO = 100mA + 100mA
IO = 50mA + 50mA
VIN
(V)
Figure 28. Typical Efficiency of the Circuit of Figure 27



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