MAX774 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
View to exact match
MAX774
Maxim Integrated
MAX774 Datasheet PDF : 16 Pages
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-5V/-12V/-15V or Adjustable,
High-Efficiency, Low IQ Inverting DC-DC Controllers
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
Efficiency
(Circuit of Figure 2—
Bootstrapped)
SHDN Input Current
SHDN Input Voltage High
SHDN Input Voltage Low
Current-Limit Trip Level
(V+ – CS)
CS Input Current
Switch Maximum On-Time
Switch Minimum Off-Time
EXT Rise Time
EXT Fall Time
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
MAX774, V+ = 5V, ILOAD = 1A
82
MAX775, V+ = 5V, ILOAD = 500mA
88
%
MAX776, V+ = 5V, ILOAD = 400mA
V+ = 16.5V, SHDN = 0V or V+
87
±1
µA
VIH
3V ≤ V+ ≤ 16.5V
VIL
3V ≤ V+ ≤ 16.5V
VCS
3V ≤ V+ ≤ 16.5V
1.6
V
0.4
V
MAX77_C/E
180
210 240
MAX77_M
160
210 260
mV
±1
µA
tON (max) V+ = 12V
12
16
20
µs
tOFF (max) V+ = 12V
1.8
2.3 2.8
µs
CEXT = 1nF, V+ = 12V
50
ns
CEXT = 1nF, V+ = 12V
50
ns
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