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ARD00514

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
MCP19035 600 kHz HIGH-VOLTAGE
SYNCHRONOUS BUCK CONTROLLER
REFERENCE DESIGN USER’S GUIDE
2014 Microchip Technology Inc. DS50002228A-page 19
Appendix B. Bill of Materials (BOM)
TABLE B-1: BILL OF MATERIALS (BOM)
Qty. Reference Description Manufacturer Part Number
2 C1, C9 Cap. ceramic 10 UF 35V 20% X7R 1210 Taiyo Yuden Co., Ltd. GMK325AB7106MM-T
1 C2 Cap. ceramic 5600 PF 25V 5% NP0 0603 TDK Corporation C1608C0G1E562J080AA
1 C3 Cap. ceramic 0.33 UF 16V 10% X7R
0603
Murata Americas GRM188R71C334KA01D
2 C4, C10 Cap. ceramic 47 UF 10V 20% X7R 1210 Taiyo Yuden Co., Ltd. LMK325B7476MM-TR
1 C5 Cap. ceramic 47 PF 50V 5% NP0 0603 AVX Corporation C1608C0G1H470J080AA
1 C6 Cap. ceramic 1 UF 35V 10% X7R 0805 TDK Corporation CGA4J3X7R1V105K
1 C7 Cap. ceramic 4.7 UF 35V 10% X7R 0805 TDK Corporation C2012X7R1V475K125AC
1 C8 Cap. ceramic 680 PF 50V 5% NP0 0603 TDK Corporation C1608C0G1H681J080AA
2 J1, J2 Terminal Block 5.08 MM vert. 2 POS On-Shore
Technology, Inc.
ED120/2DS
1 J3 Conn. header vert. 100" gold TE Connectivity, Ltd. 5-146868-1
1 L1 Inductor power 4.7 UH 8.5A SMD Wurth
®
Electronik
Group
74477004
0 PCB MCP19035 600 kHz High-Voltage
Synchronous Buck Controller Reference
Design Printed Circuit Board
– 104-00514
1 Q1 Dual N-Channel 30-V (D-S) MOSFET
with Schottky Diode
Vishay SI4816BDY-T1-E3
1 Q3 MOSFET N-Channel 60V 115 MA
SOT-23-3
Diodes
®
Incorporated 2N7002-7-F
3 R1, R7, R8 Res. 5.1k Ohm 1/10W 1% 0603 SMD Panasonic
®
– ECG ERJ-3EKF5101V
2 R2, R6 Res. 100k Ohm 1/10W 1% 0603 SMD Panasonic – ECG ERJ-3EKF1003V
1 R3 Res. 0 Ohm 1/10W 0603 SMD Panasonic – ECG ERJ-3GEY0R00V
1 R4 Res. 3.9K Ohm 1/10W 5% 0603 SMD Panasonic – ECG ERJ-3GEYJ392V
1 R5 Res. 3.3 Ohm 1/10W 1% 0603 Panasonic – ECG ERJ-3RQF3R3V
1 R9 Res. 49.9 Ohm .25W 1% 0603 SMD Vishay/Dale CRCW060349R9FKEAHP
1 R10 Res. 20k Ohm 1/10W 1% 0603 SMD Panasonic – ECG ERJ-3EKF2002V
1 R12 Res. 2.70K Ohm 1/10W 1% 0603 SMD Panasonic – ECG ERJ-3EKF2701V
1 R13 Res. 750 Ohm 1/10W 1% 0603 SMD Vishay/Dale CRCW0603750RFKEA
12 TP1 - TP12 PC test point compact SMT Keystone Electronics
Corp.
5016
1U1
High-Speed Synchronous Buck
Controller
Microchip Technology
Inc.
MCP19035-BAAAE/MF
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released
BOM used in manufacturing uses all RoHS-compliant components.
MCP19035 600 kHz HIGH-VOLTAGE
SYNCHRONOUS BUCK CONTROLLER
REFERENCE DESIGN USER’S GUIDE
DS50002228A-page 20 2014 Microchip Technology Inc.
Appendix C. Typical Performance Data, Curves and Waveforms
C.1 INTRODUCTION
This chapter shows some of the typical performance parameters and curves of the
MCP19035 600 kHz High-Voltage Synchronous Buck Controller Reference Design.
FIGURE C-1: Efficiency.
TABLE C-1: CONVERTER PARAMETERS
Parameter Value Comments
Input Voltage Range (V) 8 - 26
Output Voltage (V) 5 ±2.5% Tolerance
Maximum Output Current (A) 5 Steady state output current
Output Voltage Ripple (mV) < 50 V
IN
= 24V, I
OUT
= 4A
Input Voltage Ripple (mV) < 200 V
IN
= 24V, I
OUT
= 4A
Output Voltage Overshoot during Step Load (mV) < 200 Step Load 1A to 4A
Switching Frequency (kHz) 550 - 650 Typical 600 kHz
0
10
20
30
40
50
60
70
80
90
100
0 1000 2000 3000 4000 5000 6000
Efficiency (%)
I
OUT
(mA)
V
IN
= 12V
V
IN
= 18V
V
IN
= 24V
Typical Performance Data, Curves and Waveforms
2014 Microchip Technology Inc. DS50002228A-page 21
FIGURE C-2: Load Regulation (V
IN
= 24V).
FIGURE C-3: Output Voltage Ripple/Noise (V
IN
= 24V, I
OUT
=4A,
BW = 20 MHz).
5
5.01
5.02
5.03
5.04
5.05
5.06
5.07
5.08
5.09
5.1
0 2000 4000 6000
V
OUT
(V)
I
OUT
(mA)
V
out
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

ARD00514

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Manufacturer:
Microchip Technology
Description:
Power Management IC Development Tools Buck Conv Eval Brd MCP19035 High Volt
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