MAX770 데이터 시트보기 (PDF) - Maxim Integrated
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MAX770 Datasheet PDF : 20 Pages
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5V/12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, ILOAD = 0mA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERS
REF Load Regulation
REF Line Regulation
FB Trip-Point Voltage
FB Input Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
LBI Input Current
LBI Hysteresis
LBI Delay
LBI Threshold Voltage
LBO Leakage Current
LBO Output Voltage Low
Current-Limit Trip Level
CS Input Current
EXT Rise Time
EXT Fall Time
Supply Voltage in
Shunt Mode
SYMBOL
VFB
IFB
VIH
VIL
VOL
VCS
VSHUNT
CONDITIONS
0µA ≤ IREF ≤ 100µA
MAX77_C/E
MAX77_M
3V ≤ V+ ≤ 16.5V
MAX77_C
MAX77_E
MAX77_M
MAX77_C
MAX77_E
MAX77_M
V+ = 2.0V to 16.5V
MAX77_C/E, V+ = 2.0V to 16.5V
MAX77_M, V+ = 2.0V to 16.5V
V+ = 16.5V, SHDN = 0V or V+
MAX773, V+ = 16.5V, LBI = 1.5V
MAX773
5mV overdrive
MAX77_C
MAX773, LBI falling
MAX77_E
MAX77_M
MAX773, V+ = 16.5V, VLBO = 16.5V
MAX773, V+ = 5V, LBO sinking 1mA
V+ = 5V to 16.5V
V+ = 5V, 1nF from EXT to ground (Note 3)
V+ = 5V, 1nF from EXT to ground (Note 3)
MAX773, ISHUNT = 1mA to 20mA,
SGND = 0V, CSHUNT = 0.1µF
MIN
1.4700
1.4625
1.4550
1.6
1.4700
1.4625
1.4550
170
5.5
TYP MAX
4
10
4
15
40
100
1.50 1.5300
1.50 1.5375
1.50 1.5450
±20
±40
±60
0.4
0.2
±1
±20
20
2.5
1.50 1.5300
1.50 1.5375
1.50 1.5450
0.01 1.00
0.1
0.4
200 230
0.01 ±1
55
55
6.3
UNITS
mV
µV/V
V
nA
V
V
µA
nA
mV
µs
V
µA
V
mV
µA
ns
ns
V
Note 1: Output voltage guaranteed using preset voltages. See Figures 7a–7d for output current capability versus input voltage.
Note 2: Output voltage line and load regulation depend on external circuit components.
Note 3: For the MAX773, EXT is EXTH and EXTL shorted together.
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