MAX16936(2018) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX16936
(Rev.:2018)
(Rev.:2018)
Maxim Integrated
MAX16936 Datasheet PDF : 17 Pages
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MAX16936/MAX16938
36V, 220kHz to 2.2MHz Step-Down Converters
with 28µA Quiescent Current
Electrical Characteristics (continued)
(VSUP = VSUPSW = 14V, VEN = 14V, L1 = 2.2FH, CIN = 4.7FF, COUT = 22FF, CBIAS = 1FF, CBST = 0.1FF, RFOSC = 12kI,
TA = TJ = -40NC to +125NC, unless otherwise noted. Typical values are at TA = +25NC.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
OSCILLATOR FREQUENCY
Oscillator Frequency
EXTERNAL CLOCK INPUT (FSYNC)
RFOSC = 73.2kI
RFOSC = 12kI
340
400 460
kHz
2.0
2.2
2.4
MHz
External Input Clock
Acquisition Time
tFSYNC
1
Cycles
External Input Clock
Frequency
RFOSC = 12kI (Note 6)
1.8
2.6
MHz
External Input Clock High
Threshold
VFSYNC_HI VFSYNC rising
1.4
V
External Input Clock Low
Threshold
VFSYNC_LO VFSYNC falling
0.4
V
Soft-Start Time
tSS
ENABLE INPUT (EN)
5.6
8
12
ms
Enable Input High Threshold
Enable Input Low Threshold
Enable Threshold-Voltage
Hysteresis
VEN_HI
VEN_LO
VEN_HYS
2.4
V
0.6
0.2
V
Enable Input Current
POWER GOOD (PGOOD)
IEN
TA = +25NC
0.1
1
FA
PGOOD Switching Level
PGOOD Debounce Time
VTH_RISING
VTH_FALLING
PGOOD Output Low Voltage
PGOOD Leakage Current
SYNCOUT Low Voltage
SYNCOUT Leakage Current
FSYNC Leakage Current
OVERVOLTAGE PROTECTION
VFB rising, VPGOOD = high
VFB falling, VPGOOD = low
ISINK = 5mA
VOUT in regulation, TA = +25NC
ISINK = 5mA
TA = +25NC
TA = +25NC
93
95
97
%VFB
90
92
94
10
25
50
Fs
0.4
V
1
FA
0.4
V
1
FA
1
FA
Overvoltage-Protection
Threshold
VOUT rising
(monitored at FB pin)
VOUT falling
(monitored at FB pin)
MAX16936
MAX16938
MAX16936
MAX16938
107
105
%
105
102
Note 3: Device not in dropout condition.
Note 4: Guaranteed by design; not production tested.
Note 5: FB regulation voltage is 1%, 1.01V (max), for -40°C < TA < +105°C.
Note 6: Contact the factory for SYNC frequency outside the specified range.
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