Rainbow Electronics MAX853 - Manual (Page 5)

MAX850–MAX853
Low-Noise, Regulated, Negative
Charge-Pump Power Supplies for GaAsFET Bias
_______________________________________________________________________________________ 5
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 2a, V IN = 6V, T A = +25°C, unless otherwise noted.)
CIRCUIT OF FIGURE 2a, V IN = 6.0V, V OUT = -4.1V, I OUT = 5mA
MAX850/MAX851/MAX853
START-UP FROM SHUTDOWN
V OUT
2V/div
V SHDN
5V/div
200 µ s/div
CIRCUIT OF FIGURE 2a, V IN = 6.0V, V OUT = -4.1V, I OUT = 5mA
SHUTDOWN OCCURS WHEN 100kHz EXTERNAL CLOCK IS GATED OFF
MAX852
START-UP FROM SHUTDOWN
V OUT
2V/div
V OSC
5V/div
200 µ s/div
V OUT = -4.08V, I OUT = 5mA, AC COUPLED
LINE-TRANSIENT RESPONSE
V OUT
20mV/div
V IN
6.0V
5.5V
2ms/div
V OUT = -4.0V, AC COUPLED
LOAD-TRANSIENT RESPONSE
I OUT
0.01mA
5mA
V OUT
50mV/div
1ms/div