MAX652 データシートの表示（PDF） - Maxim Integrated
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MAX652
Maxim Integrated
MAX652 Datasheet PDF : 16 Pages
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5V/3.3V/3V or Adjustable, High-Efficiency,
Low IQ, Step-Down DC-DC Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
Output Voltage
Load Regulation
Circuit of
Figure 1
CONDITIONS
MAX649, 0 ≤ ILOAD ≤ 1.5A,
VIN = 10V
MAX651, 0 ≤ ILOAD ≤ 1.5A,
VIN = 5V
MIN TYP MAX UNITS
-47
-45
mV/A
MAX652, 0 ≤ ILOAD ≤ 1.5A,
VIN = 5V
-45
MAX649, V+ = 10V,
ILOAD = 1A
92
Efficiency
Circuit of
Figure 1
MAX651, V+ = 5V,
ILOAD = 1A
89
%
MAX652, V+ = 5V,
ILOAD = 1A
88
SHDN Input Current
V+ = 16.5V, SHDN = 0V or V+
1
µA
SHDN Input Voltage High VIH
SHDN Input Voltage Low VIL
Current-Limit Trip
Level (V+ to CS)
VCS
CS Input Current
4V ≤ V+ ≤ 16.5V
4V ≤ V+ ≤ 16.5V
4V ≤ V+ ≤ 16.5V
4V ≤ V+ ≤ 16.5V
1.6
V
0.4
V
MAX649C/E, MAX65_C/E 180
210
240
mV
MAX649M, MAX65_M
160
210
260
±1
µA
Switch Maximum
On-Time
tON
(max)
V+ = 12V
12
16
20
µs
Switch Minimum
Off-Time
EXT Rise Time
EXT Fall Time
tOFF
(min)
V+ = 12V
CEXT = 0.001µF, V+ = 12V
CEXT = 0.001µF, V+ = 12V
1.8
2.3
2.8
µs
50
ns
50
ns
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