Typical operating characteristics (continued) – Rainbow Electronics MAX768 User Manual
Page 5

MAX768
Low-Noise, Dual-Output, Regulated Charge Pump
for GaAsFET, LCD, and VCO Supplies
_______________________________________________________________________________________
5
_____________________________Typical Operating Characteristics (continued)
(SYNC = IN, T
A
= +25°C, unless otherwise noted.)
140
0
2.5
3.0
4.0
POUT MAXIMUM OUTPUT CURRENT
vs. SUPPLY VOLTAGE
MAX768-TOC13
SUPPLY VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA)
5.0
4.5
3.5
40
20
80
60
100
120
ONLY POUT LOADED
90
0
2.5
3.0
4.0
5.0
NOUT MAXIMUM OUTPUT CURRENT
vs. SUPPLY VOLTAGE
MAX768-TOC14
SUPPLY VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA)
4.5
3.5
20
10
40
30
50
60
70
80
ONLY NOUT LOADED
+3V,
PSHDN = NSHDN
+5V, V
POUT
-5V, V
NOUT
0V,
RDY
0V
TIME TO EXIT SHUTDOWN
MAX768-TOC15
1ms/div
V
POUT,
500
µ
V/div
AC COUPLED
POUT OUTPUT NOISE AND RIPPLE
MAX768-TOC16
500
µ
s/div
POUT = +5V AT 5mA
IN = 3.0V
V
NOUT
, 500
µ
V/div
AC COUPLED
NOUT OUTPUT NOISE AND RIPPLE
MAX768-TOC17
500
µ
s/div
NOUT = -5V AT 5mA
IN = 3.0V