MAX798ESE View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX798ESE
Maxim Integrated
MAX798ESE Datasheet PDF : 12 Pages
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High-Accuracy Step-Down Controller
with Synchronous Rectifier for CPU Power
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +15V, GND = PGND = 0V, IVL = IREF = 0A, TA = 0°C to +85°C, unless otherwise noted.)
PARAMETER
Oscillator Frequency
SYNC High Pulse Width
SYNC = REF
SYNC = 0V or 5V
CONDITIONS
MIN TYP
270
300
125
150
200
SYNC Low Pulse Width
200
SYNC Rise/Fall Time
Guaranteed by design
Oscillator Sync Range
195
Maximum Duty Cycle
SYNC = REF
SYNC = 0V or 5V
89
91
93
96
Input High Voltage
Input Low Voltage
Input Current
SYNC
SHDN, SKIP
SYNC
SHDN, SKIP
SHDN, 0V or 30V
SYNC, SKIP
CSH, CSL, CSH = CSL = 4V, device not shut down
VL - 0.5
2.0
FB, FB = 1.6V
DL Sink/Source Current
DL forced to 2V
1
DH Sink/Source Current
DH forced to 2V, BST - LX = 4.5V
1
DL On-Resistance
High or low
DH On-Resistance
High or low, BST - LX = 4.5V
MAX
330
175
200
340
UNITS
kHz
ns
ns
ns
kHz
%
V
0.8
V
0.5
2
µA
1
µA
50
±100 nA
A
A
7
Ω
7
Ω
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