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Part Name
Description
ADP3000 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADP3000
Micropower Step-Up/Step-Down Fixed 3.3 V, 5 V, 12 V, Adjustable High Frequency Switching Regulator
Analog Devices
ADP3000 Datasheet PDF : 16 Pages
First
Prev
11
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16
ADP3000
V
IN
5V
C1 +
47
µ
F
240
Ω
16V
1
2
3
I
LIM
V
IN
SW1
SENSE
8
ADP3000-5V
SW2
4
GND
L1
15
µ
H
5
D1
+
C2
100
µ
F
L1 = SUMIDA CR54-150
C1 = AVX TPS D476 M016R0150
C2 = AVX TPS D107 M010R0100
TYPICAL EFFICIENCY = 60%
1N5817
10V
V
OUT
–5V
100mA
Figure 33. 5 V to −5 V/100 mA Inverter
TE
2.5V TO 4.2V
100k
Ω
120
Ω
100
µ
F
+
10V
E
AVX-TPS
1M
Ω
L
90k
Ω
I
LIM
V
IN
SET
SW1
ADP3000
A
0
FB
GND SW2
330k
Ω
100k
Ω
33nF
2N2907
10k
Ω
90k
Ω
(SUMIDA – CDRH62)
6.8
µ
H
1N5817
348k
Ω
1%
+
100
µ
F
10V
AVX-TPS
200k
Ω
1%
IN1
V
O1
IN2
ADP3302AR1
SD
V
O2
GND
Figure 34. 1 Cell Li-Ion to 3 V/200 mA Converter with Shut-Down at V
IN
≤ 2.5 V
1
µ
F
6V (MLC)
1
µ
F
6V (MLC)
3V
100mA
3V
100mA
SO
80
75
B
70
65
O
2.6
I
O
= 50mA + 50mA
@ V
IN
≤
2.5V
SHDN IQ = 500
µ
A
I
O
= 100mA + 100mA
VIN
3.0
3.4
3.8
4.2
(V)
Figure 35. Typical Efficiency of the Circuit of Figure 34
Rev. A | Page 14 of 16
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