MAX768 Maxim, MAX768 Datasheet - Page 5

• Manufacturer Part Number: MAX768
• Description: Low-Noise / Dual-Output / Regulated Charge Pump for GaAsFET / LCD / and VCO Supplies
• Manufacturer: Maxim

_____________________________Typical Operating Characteristics (continued)
(SYNC = IN, T
Low-Noise, Dual-Output, Regulated Charge Pump
POUT = +5V AT 5mA
IN = 3.0V
A
= +25°C, unless otherwise noted.)
POUT OUTPUT NOISE AND RIPPLE
140
120
100
80
60
40
20
0
_______________________________________________________________________________________
2.5
POUT MAXIMUM OUTPUT CURRENT
ONLY POUT LOADED
500 s/div
3.0
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
for GaAsFET, LCD, and VCO Supplies
3.5
4.0
MAX768-TOC16
4.5
V
AC COUPLED
TIME TO EXIT SHUTDOWN
POUT,
5.0
500 V/div
1ms/div
40
90
80
70
60
50
30
20
10
0
2.5
NOUT = -5V AT 5mA
IN = 3.0V
MAX768-TOC15
NOUT MAXIMUM OUTPUT CURRENT
ONLY NOUT LOADED
NOUT OUTPUT NOISE AND RIPPLE
3.0
+3V, PSHDN = NSHDN
vs. SUPPLY VOLTAGE
+5V, V
0V
-5V, V
0V, RDY
SUPPLY VOLTAGE (V)
NOUT
POUT
3.5
500 s/div
4.0
4.5
5.0
MAX768-TOC17
V
AC COUPLED
NOUT
, 500 V/div
5