19-5661; Rev 0; 12/10
MAX16974 Evaluation Kit
General Description
Features
S Wide 3.5V to 28V DC Supply Range
S 42V Input Transient Tolerance
S Proven PCB Layout
The MAX16974 evaluation kit (EV kit) provides a proven
design to evaluate the MAX16974 high-voltage, 2.2MHz,
2A automotive step-down controller with low operating
current. It is designed to operate with 3.5V to 28V input
voltages, while using only 35µA quiescent current at no
load. The switching frequency is adjustable from 220kHz
to 2.2MHz and the output voltage is pin selectable at 5V
fixed or 1V to 10V adjustable. This EV kit is initially set up
to operate at 2.2MHz with a 5V output.
S Fully Assembled and Tested
Ordering Information
PART
TYPE
MAX16974EVKIT+
EV Kit
The EV kit PCB comes with a MAX16974AUE/V+ installed.
+Denotes lead(Pb)-free and RoHS compliant.
Component List
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
0.1µF Q10%, 6.3V X5R ceramic
capacitor (0402)
TDK C1005X5R0J104K
2.2µF Q10%, 10V X7R ceramic
capacitor (0603)
Murata GRM188R71A225K
CBST
1
1
0
CVL
D1
1
3A, 60V Schottky diode
Diodes Inc. B360B
5600pF Q10%, 50V X7R ceramic
capacitor (0603)
Murata GRM188R71H562K
1
CCOMP1
CCOMP2
JU1
1
0
3-pin header
JU2, JU7
Not installed, 0I jumpers (0603)
Not installed, 120pF Q5%, 50V
C0G ceramic capacitor (0603)
Murata GRM1885C1H121J
JU3, JU6,
RTEST
3
0I Q5% resistors (0603)
100pF Q5%, 50V C0G ceramic
capacitor (0603)
Murata GRM1885C1H101J
4.7µH Q20%, 2.8A, 20mI
inductor (7.0mm x 7.5mm)
Panasonic ETQP5M4R7YFM
CCRES
CFB1
CIN1
1
0
1
L1
1
Not installed, ceramic capacitor
(0603)
Not installed, multipurpose test
point
LX
0
1
0
RCOMP
20kI Q1% resistor (0603)
47µF Q20%, 50V electrolytic
capacitor (D8)
Panasonic EEE-FK1H470XP
RFB1, RFB2,
RFB3
Not installed, resistors (0603)
RFOSC
RFSYNC
RRESB
1
1
1
12.1kI Q1% resistor (0603)
20kI Q5% resistor (0603)
10kI Q5% resistor (0603)
0.1µF Q10%, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H104K
CIN2, CIN3
CIN4, CIN5
COUT, COUT2
CSNUB
2
2
2
0
Not installed, 3I Q5% resistor
(0603)
4.7µF Q10%, 50V X7R ceramic
capacitors (1210)
Murata GRM32ER71H475K
RSNUB
0
High-voltage automotive step-
down converter (16 TSSOP-EP*)
Maxim MAX16974AUE/V+
U1
1
22µF Q20%, 10V X7R ceramic
capacitors (1210)
Murata GRM32ER71A226K
—
1
1
Shunts
PCB: MAX16974 EVALUATION
KIT+
Not installed, 1000pF Q10%, 50V
X7R ceramic capacitor (0603)
Murata GRM188R71H102K
—
*EP = Exposed pad.
/V denotes an automotive qualified part.
_______________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.