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
Typical Operating Characteristics
(VSUP = +14V, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(5V VERSION)
100
90
SKIP MODE
80
70
FFF MODE
60
50
40
30
20
10
0
0.00001 0.0001 0.001 0.01 0.1
1
ILOAD (A)
LOAD REGULATION
4
3
SKIP MODE
2
1
0
-1
FFF MODE
-2
-3
-4
0
0.2 0.4 0.6 0.8 1.0
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (SKIP MODE)
60
50
40
5V PART
30
20
3.3V PART
10
0
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
15
12
9
6
3
0
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
LINE REGULATION
(ILOAD = 1A)
4
3
2
1
0
-1
-2
-3
-4
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
STARTUP WAVEFORM (ILOAD = 1A)
MAX16903 toc06
EN
5V/div
IINDUCTOR
1A/div
1ms/div
PGOOD
5V/div
VOUT
5V/div
SHUTDOWN WAVEFORM (ILOAD = 1A)
MAX16903 toc07
EN
5V/div
IINDUCTOR
1A/div
20µs/div
PGOOD
5V/div
VOUT
5V/div
LOAD-TRANSIENT RESPONSE
(FIXED MODE)
MAX16903 toc08
ILOAD
1A/div
VOUT
5V
200mV/div
AC
COUPLED
5V
PGOOD
5V/div
ILOAD = 100mA TO 1A TO 100mA
200µs/div
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