ADM8839 Analog Devices, ADM8839 Datasheet - Page 7

• Manufacturer Part Number: ADM8839
• Description: Charge Pump Regulator for Color TFT Panel
• Manufacturer: Analog Devices

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

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