ADM8839 Analog Devices, ADM8839 Datasheet - Page 7
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ADM8839
Manufacturer Part Number
ADM8839
Description
Charge Pump Regulator for Color TFT Panel
Manufacturer
Analog Devices
Datasheet
1.ADM8839.pdf
(12 pages)
Specifications of ADM8839
Peak Efficiency (%)
82%
Switching Freq
100kHz
Vin Max (v)
4.2V
Vin Min (v)
2.7V
Package
20-Lead LFCSP
Out Voltage (v)
5V; 15V; -15V
Ripple Out (p-p)
10mV p-p; 50mV p-p; 50mV p-p
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADM8839ACPZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Figure 11. 5 V Output Transient Response, Load Disconnected
V
LDO OUTPUT RIPPLE
V
OUT
CC
5VOUT
RIPPLE
Figure 9. +15 V and −15 V Outputs at Power-Up
LOAD DISABLE
5V OUTPUT
RIPPLE (DOUBLER OUTPUT RIPPLE)
Figure 10. Output Ripple on LDO (5 V Output)
+15V OUTPUT
–15V OUTPUT
Rev. C | Page 7 of 12
Figure 12. Output Transient Response for Maximum Load Current
Figure 13. +15 V and −15 V Outputs at Power-Down
+15V OUTPUT
–15V OUTPUT
5VOUT
5V OUTPUT
LOAD ENABLE
ADM8839