MAX16903SAUE View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX16903SAUE Datasheet PDF : 15 Pages
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MAX16903
2.1MHz, High-Voltage,
1A 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.)
BUCK CONVERTER
Voltage Accuracy
Skip-Mode Peak Current
High-Side DMOS RDSON
Low-Side DMOS RDSON
DMOS Peak Current-Limit
Threshold
VOUT,5V
VOUT,3.3V
VOUT,1.8V
VOUT = 5V, fixed frequency
VOUT = 5V, SKIP mode (Note 3)
VOUT = 3.3V, fixed frequency
6V ≤ VSUP ≤ 18V,
ILOAD = 0 to 1A,
VOUT = 3.3V, SKIP mode (Note 3)
VOUT = 1.8V, fixed frequency
TA = 0°C to
+125°C
VOUT = 1.8V, SKIP mode (Note 3)
-2.0%
-2.0%
-2.0%
-2.0%
-2.0%
-2.0%
5 +2.5%
5
+4%
3.3 +2.5%
3.3 +4%
1.8 +2.5%
1.8 +4.0%
V
VOUT,5V
VOUT,3.3V
VOUT,1.8V
VOUT = 5V, fixed frequency
VOUT = 5V, SKIP mode (Note 3)
VOUT = 3.3V, fixed frequency
6V ≤ VSUP ≤ 18V,
ILOAD = 0 to 1A,
VOUT = 3.3V, SKIP mode (Note 3)
VOUT = 1.8V, fixed frequency
TA = -40°C to
+125°C
VOUT = 1.8V, SKIP mode (Note 3)
-3.0%
-3.0%
-3.0%
-3.0%
-3.0%
-3.0%
5
5
3.3
3.3
1.8
1.8
+2.5%
+4%
+2.5%
+4%
+2.5%
+4%
ISKIP
350
mA
RON,HS VBIAS = 5V
400 800 mΩ
RON,LS
250 450 mΩ
IMAX
1.275 1.5 1.75 A
Soft-Start Ramp Time
LX Rise Time
Minimum On-Time
PWM Switching Frequency
SYNC Input Frequency
Range
tSS
tRISE,LX
tON
fSW
fSYNC
Internally generated
7
8
9
ms
5
ns
80
ns
1.925 2.1 2.275 MHz
1.8
2.6 MHz
Spread-Spectrum Range
SS
Spread-spectrum option only
+6
%
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