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MAX16904_13 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – 2.1MHz, High-Voltage, 600mA Mini-Buck Converter
MAX16904
2.1MHz, High-Voltage,
600mA Mini-Buck Converter
ELECTRICAL CHARACTERISTICS (continued)
(VSUP = +14V, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
SKIP-Mode Peak Current
High-Side DMOS RDSON
Low-Side DMOS RDSON
ISKIP
RON,HS
RON,LS
VBIAS = 5V
DMOS Peak Current-Limit
Threshold
IMAX
Soft-Start Ramp Time
LX Rise Time
Minimum On-Time
PWM Switching Frequency
SYNC Input Frequency Range
Spread-Spectrum Range
tSS
tRISE,LX
tON
fSW
fSYNC
SS
Internally generated
Spread-spectrum option only
PGOOD
PGOOD Threshold
PGOOD Debounce
PGOOD High Leakage Current
PGOOD Output Low Level
LOGIC LEVELS
VTHR,PGD
VTHF,PGD
tDEB
ILEAK,PGD
VOUT,PGD
VOUT rising
VOUT falling
TA = +25°C
Sinking 1mA
EN Level
EN Input Current
SYNC Switching Threshold
SYNC Internal Pulldown
THERMAL PROTECTION
VIH,EN
VIL,EN
IIN,EN
VIH,SYNC
VIL,SYNC
RPD,SYNC
VEN = VSUP = +42V, TA = +25°C
Thermal Shutdown
Thermal Shutdown Hysteresis
TSHDN
TSHDN,HYS
Note 2: When the typical minimum on-time of 80ns is violated, the device skips pulses.
Note 3: Guaranteed by design; not production tested.
MIN
0.85
7
1.925
1.8
TYP
350
400
250
1.05
8
5
80
2.1
+6
MAX
800
450
UNITS
mA
m
m
1.22
A
9
2.275
2.6
ms
ns
ns
MHz
MHz
%
93
%
88
91
94
10
μs
1
μA
0.4
V
2.4
V
0.6
1
μA
1.4
V
0.4
200
k
175
°C
15
°C
4
Maxim Integrated