MAX16936 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX16936 Datasheet PDF : 17 Pages
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MAX16936
36V, 220kHz to 2.2MHz Step-Down Converter
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
External Input Clock Low
Threshold
VFSYNC_LO VFSYNC falling
Soft-Start Time
tSS
ENABLE INPUT (EN)
Enable Input High Threshold
VEN_HI
Enable Input Low Threshold
VEN_LO
Enable Threshold Voltage
Hysteresis
VEN_HYS
Enable Input Current
POWER GOOD (PGOOD)
IEN
TA = +25NC
PGOOD Switching Level
VTH_RISING VFB rising, VPGOOD = high
VTH_FALLING VFB falling, VPGOOD =low
PGOOD Debounce Time
PGOOD Output Low Voltage
PGOOD Leakage Current
ISINK = 5mA
VOUT in regulation, TA = +25NC
SYNCOUT Low Voltage
ISINK = 5mA
SYNCOUT Leakage Current
TA = +25NC
FSYNC Leakage Current
TA = +25NC
OVERVOLTAGE PROTECTION
Overvoltage Protection
Threshold
VOUT rising (monitored at FB pin)
VOUT falling (monitored at FB pin)
Note 2: Device not in dropout condition.
Note 3: Guaranteed by design; not production tested.
Note 4: FB regulation voltage is 1%, 1.01V (max), for -40°C < TA < +105°C.
Note 5: Contact the factory for SYNC frequency outside the specified range.
MIN TYP MAX UNITS
0.4
V
5.6
8
12
ms
2.4
V
0.6
0.2
V
0.1
1
FA
93
95
97
%VFB
90
92
94
10
25
50
Fs
0.4
V
1
FA
0.4
V
1
FA
1
FA
107
%
105
Maxim Integrated
4
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