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ADP3000AR Datasheet(PDF) 14 Page - Analog Devices

Part # ADP3000AR
Description  Micropower Step-Up/Step-Down Fixed 3.3 V, 5 V, 12 V, Adjustable High Frequency Switching Regulator
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3000AR Datasheet(HTML) 14 Page - Analog Devices

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ADP3000
Rev. A | Page 14 of 16
+
ADP3000-5V
ILIM
VIN SW1
SENSE
SW2
GND
C1
47
µF
16V
240
Ω
L1
15
µH
VIN
5V
L1 = SUMIDA CR54-150
C1 = AVX TPS D476 M016R0150
C2 = AVX TPS D107 M010R0100
TYPICAL EFFICIENCY = 60%
+
D1
1N5817
C2
100
µF
10V
VOUT
–5V
100mA
3
8
4
5
1
2
Figure 33. 5 V to −5 V/100 mA Inverter
ADP3000
ILIM
VIN
SW1
FB
SET
A0
GND
100k
Ω
120
Ω
2.5V TO 4.2V
(SUMIDA – CDRH62)
+
1N5817
2N2907
100
µF
10V
AVX-TPS
SW2
+
1M
Ω
90k
Ω
100
µF
10V
AVX-TPS
330k
Ω
200k
Ω
1%
100k
Ω
10k
Ω
90k
Ω
33nF
6.8
µH
ADP3302AR1
VO1
VO2
IN2
SD
GND
IN1
348k
Ω
1%
1
µF
6V (MLC)
1
µF
6V (MLC)
3V
100mA
3V
100mA
Figure 34. 1 Cell Li-Ion to 3 V/200 mA Converter with Shut-Down at VIN ≤ 2.5 V
80
75
70
65
2.6
3.0
3.4
3.8
4.2
@ VIN ≤ 2.5V
SHDN IQ = 500
µA
IO = 100mA + 100mA
IO = 50mA + 50mA
VIN
(V)
Figure 35. Typical Efficiency of the Circuit of Figure 34



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