MAX16904_13 Datasheet, PDF (5/15 Pages) Maxim Integrated Products – 2.1MHz, High-Voltage, 600mA Mini-Buck Converter

MAX16904
2.1MHz, High-Voltage,
600mA Mini-Buck Converter
(V_SUP = +14V, T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
EFFICIENCY vs. LOAD CURRENT
100
5V, SKIP MODE
90
3.3V, SKIP MODE
80
70
5V, FFF MODE
60
50
3.3V, FFF MODE
40
30
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (SKIP MODE)
60
50
40
5V PART
30
20
10
3.3V PART
0
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
LINE REGULATION
(I_LOAD = 600mA)
4
3
2
1
0
-1
-2
-3
-4
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
LOAD REGULATION
4
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
15
3
SKIP MODE
12
2
1
9
0
FFF MODE
-1
6
-2
-3
-4
0 0.1 0.2 0.3 0.4 0.5 0.6
LOAD CURRENT (A)
3
0
6 8 10 12 14 16 18 20 22 24 26 28
INPUT VOLTAGE (V)
STARTUP RESPONSE
(I_LOAD = 600mA)
MAX16904 toc06
SHUTDOWN WAVEFORM (I_LOAD = 600mA)
MAX16904 toc07
V_EN
5V/div
I_L
1A/div
V_OUT
5V/div
EN
5V/div
I_INDUCTOR
0.5A/div
PGOOD
5V/div
1ms/div
V_PGOOD
5V/div
20µs/div
V_OUT
5V/div
Maxim Integrated
5