-5 V/-1 2 V/-1 5 V o r Ad ju s t a b le ,
Hig h -Effic ie n c y, Lo w I DC-DC In ve rt e rs
Q
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(V+ = 5V, V
= -5V, T = +25°C, unless otherwise noted.)
A
OUT
TIME TO ENTER/EXIT SHUTDOWN
LOAD-TRANSIENT RESPONSE
0V
A
A
B
B
0mA
0V
2ms/div
5ms/div
CIRCUIT OF FIGURE 2, V+ = 5V, I
= 100mA, V = -5V
CIRCUIT OF FIGURE 2, V+ = 5V, V = -5V
OUT
LOAD
OUT
A: V , 2V/div
OUT
A: V , 50mV/div, AC-COUPLED
OUT
B: SHUTDOWN PULSE, 0V TO 5V, 5V/div
B: I , 0mA TO 100mA, 100mA/div
LOAD
45/MAX76
DISCONTINUOUS CONDUCTION AT
HALF AND FULL CURRENT LIMIT
LINE-TRANSIENT RESPONSE
A
A
B
B
C
0A
0V
0V
5µs/div
5ms/div
CIRCUIT OF FIGURE 2, V = -5V, I
CIRCUIT OF FIGURE 2, V+ = 5V, V = -5V, I = 140mA
LOAD
= 100mA
LOAD
OUT
OUT
A: OUTPUT RIPPLE, 100mV/div
A: V , 50mV/div, AC-COUPLED
OUT
B: INDUCTOR CURRENT, 500mA/div
C: LX WAVEFORM, 10V/div
B: V+, 5V TO 10V, 5V/div
6
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
