-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
45/MAX76
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, I
= 0mA, C
= 0.1µF, T = T
to T , unless otherwise noted. Typical values are at T = +25°C.)
MAX A
LOAD
REF
A
MIN
PARAMETER
SYMBOL
CONDITIONS
MAX76_C
MIN
TYP
MAX UNITS
±5
LX Leakage Current
MAX76_E
MAX76_M
±10
±30
2.5
µA
ILX + (V+) ≤ 20V
I
LX On-Resistance
Peak Current at LX
1.4
0.75
16
Ω
A
IV
I
+ (V+) ≥ 10V
+ (V+) ≥ 10V
OUT
I
0.5
12
IV
I
PEAK
OUT
Maximum Switch On-Time
Minimum Switch Off-Time
t
20
µs
µs
ON
t
1.8
2.3
2.8
OFF
Note 1: See Maximum Output Current vs. Supply Voltage graph in the Typical Operating Characteristics. Guarantees are based on
correlation to switch on-time, switch off-time, on-resistance, and peak current rating.
Note 2: Circuit of Figure 2.
__________________________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
(V+ = 5V, V
= -5V, T = +25°C, unless otherwise noted.)
A
OUT
MAX764
MAX765
MAX766
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
100
90
100
90
100
90
V+ = 8V
V+ = 5V
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
V+ = 5V
V+ = 5V
V+ = 10V
V+ = 15V
CIRCUIT OF FIGURE 2
V
OUT
CIRCUIT OF FIGURE 2
±
CIRCUIT OF FIGURE 2
±
±
= -5V 4%
V
OUT
= -12V 4%
V
= -15V 4%
OUT
0.1
1
10
100
1000
0.1
1
10
100
1000
0.1
1
10
100
1000
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
