MAX16974EVKIT+ Maxim Integrated Products, MAX16974EVKIT+ Datasheet - Page 6

• Manufacturer Part Number: MAX16974EVKIT+
• Description: Power Management Modules & Development Tools MAX16974 EVAL KIT MAX16974 EVAL KIT
• Manufacturer: Maxim Integrated Products

Specifications of MAX16974EVKIT+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
High-Voltage, 2.2MHz, 2A Automotive Step-
Down Converter with Low Operating Current
6
SUP
______________________________________________________________________________________
= V
SUPSW
EXTERNAL CLOCK
= 14V, V
AT SYNC
FSYNC TRANSITION FROM INTERNAL TO EXTERNAL
420
418
416
414
412
410
408
406
404
402
400
V
2.8
2.4
2.0
1.6
1.2
0.8
0.4
OUT
V
0
LX
FREQUENCY (5V/2.2MHz CONFIGURATION)
12
0
V
OUT
SWITCHING FREQUENCY vs. R
SUP
22 32 42
SWITCHING FREQUENCY vs. I
0.2
= 14V
0.4 0.6 0.8 1.0
= 5V, FSYNC = GND, f
52
R
62 72 82 92
FOSC
I
LOAD
1µs/div
(k I )
(A)
1.2 1.4
102
Typical Operating Characteristics (continued)
1.6
MAX16974 toc14
112
LOAD
FOSC
1.8
OSC
122
2.0
= 400kHz, T
5V/div
0
2V/div
0
10V/div
0
A
= +25NC, unless otherwise noted. See Figure 1.)
I
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
V
V
V
LOAD
420
418
416
414
412
410
408
406
404
402
400
SUP
OUT
RES
6
0
I
V
LOAD
SUP
0.2
8
STARTUP INTO HEAVY LOAD
= 14V
= 1A
10 12 14 16 18
0.4 0.6 0.8 1.0
SWITCHING FREQUENCY
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
5V/2.2MHz
V
5V/400kHz
(5V/2.2MHz)
OUT
400µs/div
I
LOAD
vs. I
(A)
LOAD
1.2 1.4
20 22
1.6
MAX16974 toc17
24
1.8
26
2.0
28
5V/div
0
2V/div
0V
5V/div
0
2A/div
0V