MAX16974EVKIT+ Maxim Integrated Products, MAX16974EVKIT+ Datasheet - Page 4

• 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

High-Voltage, 2.2MHz, 2A Automotive Step-
Down Converter with Low Operating Current
ELECTRICAL CHARACTERISTICS (continued)
(V
12.1kI, T
Note 2: Guaranteed by design; not production tested.
(V
4
CRES Source Current
CRES Pulldown Current
RES Sink Current
RES Leakage Current (Open-
Drain Output)
Reset Debounce Time
SUP
SUP
100
______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
0.00001
0
= V
= V
V
A
SUP
SUPSW
SUPSW
PARAMETER
= T
= 14V
0.0001
J
EFFICIENCY vs. I
= -40NC to +125NC, unless otherwise noted. Typical values are at T
= 14V, V
= 14V, L1 = 4.7FH, V
(SKIP MODE)
14
13
12
11
10
I
9
8
7
6
5
4
3
2
1
0
LOAD
0.001
4
(C)
OUT
6
5V/400kHz
8 10 12 14 16 18
LOAD
= 5V, FSYNC = GND, f
0.01
SHUTDOWN CURRENT
5V/2.2MHz
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
T
A
SYMBOL
I
= -40°C
t
CRES_PD
RES_DEB
I
CRES
EN
0.1
= 14V, C
T
A
= +25°C
20 22
T
A
= +125°C
100
V
V
V
V
V
90
80
70
60
50
40
30
20
10
0
OUT
OUT
RES
OUT
RESETI
24
0.01
IN
OSC
26
V
SUP
= 10FF, C
pulls low, V
in regulation
out of regulation
in regulation, T
28
= 14V
falling
= 400kHz, T
EFFICIENCY vs. I
0.1
5V/2.2MHz
CONDITIONS
OUT
I
RES
LOAD
(A)
= 22FF, C
A
A
> 0.4V
Typical Operating Characteristics
= +25NC
= +25NC, unless otherwise noted. See Figure 1.)
I
V
V
LOAD
SUP
OUT
5V/400kHz
LOAD
1
BIAS
STARTUP INTO HEAVY LOAD
A
10
= 1FF, C
= +25NC.)
10ms/div
100
90
80
70
60
50
40
30
20
10
BST
0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MIN
6
9.5
1
1
SF = 400kHz
= 0.1FF, C
8
MAX16974 toc05
10 12 14 16 18
5V/400kHz
TYP
SUPPLY VOLTAGE (V)
10
25
CRES
5V/div
0V
5V/div
0V
2A/div
0A
5V/2.2MHz
MAX
10.5
= 1nF, R
1
20 22
24
UNITS
FOSC
mA
mA
FA
FA
Fs
26
28
=