ADM8832 Analog Devices, ADM8832 Datasheet - Page 7

• Manufacturer Part Number: ADM8832
• Description: Charge Pump Regulator for Color TFT Panel
• Manufacturer: Analog Devices

Specifications of ADM8832

• Peak Efficiency (%): 90%
• Switching Freq: 100kHz
• Vin Max (v): 3.6V
• Vin Min (v): 2.6V
• Package: 20-Lead LFCSP
• Out Voltage (v): 5V; -10.2V; 15.3V
• Ripple Out (p-p): 10mV p-p; 50mV p-p; 50mV p-p

TYPICAL PERFORMANCE CHARACTERISTICS
5.0752
5.0750
5.0748
5.0746
5.0744
5.0742
5.0740
5.0738
5.0736
5.0734
5.104
5.102
5.100
5.098
5.096
5.094
5.092
5.090
90
70
60
50
40
30
20
10
100
10
Figure 3. LDO Efficiency in Blanking Mode with V
0
30
Figure 4. LDO Output Voltage (Unloaded) vs.
Load Current in Scanning Mode, V
1
50
Figure 5. LDO O/P Voltage vs.
2
Blanking Mode Frequency
BLANKING FREQUENCY (Hz)
70
OUTPUT CURRENT (µA)
3
90
I
LOAD
1000
4
110
(mA)
130
5
CC
150
= 3.3 V
6
170
CC
7
= 3 V
190
10000
8
Rev. A | Page 7 of 12
100
100
85
84
83
82
81
80
79
78
90
80
70
60
90
80
70
60
50
40
Figure 6. LDO Efficiency in Scanning Mode with V
0
2
0
Output Current in Scanning Mode, V
Output Current in Blanking Mode, V
1
Figure 7. +15 V/−10 V Efficiency vs.
Figure 8. +15 V/−10 V Efficiency vs.
20
2
4
OUTPUT CURRENT (mA)
OUTPUT CURRENT ( µ A)
OUTPUT CURRENT ( µ A)
3
40
4
6
60
5
CC
CC
6
8
= 3 V
= 3 V
80
CC
ADM8832
7
= 3 V
100
10
8