ADM8829 Analog Devices, ADM8829 Datasheet - Page 3
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ADM8829
Manufacturer Part Number
ADM8829
Description
Switched Capacitor Voltage Inverter
Manufacturer
Analog Devices
Datasheet
1.ADM8828.pdf
(6 pages)
Specifications of ADM8829
Input Voltage (v)
1.5 - 5.5
Vout Preset (v)
-Vin
Iout
25mA
Vout #2 (v)
n/a
Iout #2 (µa)
n/a
Vout #3 (v)
n/a
Iout #3 (µa)
n/a
Power Efficiency (%)
99%
Supply Current
1mA
Shutdown Current, Max
n/a
Package
6-Lead SOT 23
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADM8829ART
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
ADM8829ARTZ-REEL7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
ADM8829ARTZ-SMD7
Manufacturer:
AD
Quantity:
501
REV. A
Figure 3. Output Source Resistance vs. Supply Voltage
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Figure 2. Power Supply Current vs. Voltage
35
30
25
20
15
10
20
18
16
14
12
10
0.47
0
5
0
8
6
4
2
0
1.5
Figure 4. Output Current vs. Capacitance
1
1.5
2
2.5
2
OUTPUT CURRENT @ V
OUTPUT CURRENT @ V
OUTPUT CURRENT @ V
SUPPLY VOLTAGE – V
SUPPLY VOLTAGE – V
2.5
1
CAPACITANCE – F
3
3
3.5
3.5
Typical Performance Characteristics–
4
IN
IN
IN
2.2
= 4.75V
= 3.15V
4
= 1.9V
4.5
4.5
5
5
5.5
3.3
5.5
–3–
Figure 5. Output Voltage Ripple vs. Capacitance
Figure 6. Output Voltage Ripple vs. Capacitance
–0.5
–1.5
–2.5
–3.5
–4.5
Figure 7. Output Voltage vs. Output Current
350
300
250
200
150
100
60
50
40
30
20
10
50
0.47
–1
–2
–3
–4
–5
0
0.47
0
0
0
OUTPUT VOLTAGE RIPPLE
@ V
OUTPUT VOLTAGE @ V
IN
5
= 1.9V, V
OUTPUT VOLTAGE RIPPLE
@ V
OUTPUT VOLTAGE RIPPLE
@ V
OUTPUT VOLTAGE @ V
10
IN
= 4.75V, V
OUTPUT VOLTAGE RIPPLE
@ V
OUT
IN
OUTPUT CURRENT – mA
OUTPUT VOLTAGE @ V
= 3.15V
CAPACITANCE – F
1
CAPACITANCE – F
IN
15
1
= –1.5V
= 4.75V
ADM8828/ADM8829
OUTPUT VOLTAGE RIPPLE
@ V
OUT
20
IN
IN
= –4.0V
= 5.0V
= 3.15V, V
OUTPUT VOLTAGE RIPPLE
@ V
25
IN
IN
= 1.9V
= 2.0V
2.2
2.2
OUT
30
IN
= 3.3V
= –2.5V
I
L
35
= 5mA
40
3.3
3.3
45