MAX764C データシートの表示（PDF） - Maxim Integrated
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MAX764C Datasheet PDF : 12 Pages
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-5V/-12V/-15V or Adjustable,
High-Efficiency, Low IQ DC-DC Inverters
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, ILOAD = 0mA, CREF = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
MAX76_C
±5
LX Leakage Current
ILXI + (V+) ≤ 20V
MAX76_E
MAX76_M
±10 µA
±30
LX On-Resistance
Peak Current at LX
Maximum Switch On-Time
IPEAK
tON
IVOUTI + (V+) ≥ 10V
IVOUTI + (V+) ≥ 10V
1.4
2.5
Ω
0.5
0.75
A
12
16
20
µs
Minimum Switch Off-Time
tOFF
1.8
2.3
2.8
µs
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.
__________________________________________Typical Operating Characteristics
(V+ = 5V, VOUT = -5V, TA = +25°C, unless otherwise noted.)
MAX764
EFFICIENCY vs. LOAD CURRENT
100
90 V+ = 5V
80
70
60
V+ = 10V
50
40
V+ = 15V
30
20
10
0
0.1
CIRCUIT OF FIGURE 2
VOUT = -5V ±4%
1
10
100
LOAD CURRENT (mA)
1000
MAX765
EFFICIENCY vs. LOAD CURRENT
100
V+ = 8V
90
80
70
V+ = 5V
60
50
40
30
20
10
0
0.1
CIRCUIT OF FIGURE 2
VOUT = -12V ±4%
1
10
100
LOAD CURRENT (mA)
1000
MAX766
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
V+ = 5V
60
50
40
30
20
10
0
0.1
CIRCUIT OF FIGURE 2
VOUT = -15V ±4%
1
10
100
LOAD CURRENT (mA)
1000
_______________________________________________________________________________________ 3
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