MAX1960EVKIT Maxim Integrated, MAX1960EVKIT Datasheet

MAX1960EVKIT

Manufacturer Part Number

MAX1960EVKIT

Description

Power Management IC Development Tools Evaluation Kit for the MAX1960 MAX1961 MAX1962

Manufacturer

Maxim Integrated

Series

MAX1960, MAX1961, MAX1962r

Datasheet

1.MAX1960EVKIT.pdf (8 pages)

Specifications of MAX1960EVKIT

Output Voltage

0.8 V to 4.95 V

Output Current

20000 mA

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The MAX1960 evaluation kit (EV kit) is a fully assembled

and tested surface-mount circuit board that evaluates

the MAX1960 family of PWM synchronous step-down

controllers. There are two circuits on the board. The first

has the MAX1960 installed but can also be used to

evaluate the MAX1961. This circuit provides a 1.8V out-

put at up to 15A, or the output can be adjusted from

0.8V to (0.9

MAX1962. Components for the second circuit are not

installed on the standard evaluation kit. Both circuits

can operate with a 2.35V to 5.5V input voltage.

19-2976; Rev 0; 9/03

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

DESIGNATION QTY

C2, C3, C13

C7, C8, C9

C10, C38

C11

C12

________________________________________________________________ Maxim Integrated Products

). The second circuit evaluates the

0.47µF ±10%, 10V X5R ceramic

capacitor (0603)

TDK C1608X5R1A474K or equivalent

Not installed; 0.47µF ±10%, 10V X5R

ceramic capacitors (0603)

TDK C1608X5R1A474K or equivalent

(tripler)

1µF ±20%, 6.3V X5R ceramic

capacitor (0402)

Panasonic ECJ0EB0J105M or

equivalent

0.1µF ±10%, 10V X5R ceramic

capacitor (0402)

TDK C1005X5R1A104K or equivalent

2.2µF ±10%, 6.3V X5R ceramic

capacitor (0603)

TDK C1608X5R0J225K or equivalent

10µF ±20%, 6.3V X5R ceramic

capacitors (0805)

Panasonic ECJ2FB0J106M or

equivalent

0.22µF ±10%, 6.3V X5R ceramic

capacitors (0402)

TDK C1005X5R0J224K or equivalent

Not installed, 10pF ceramic capacitor

(0402)

0.01µF ±10%, 25V X7R ceramic

capacitor (0402)

Murata GRP155R71E103K or

equivalent

General Description

DESCRIPTION

MAX1960 Evaluation Kit

o 2.35V to 5.5V Input Supply Range

o 1.8V Output at Up to 15A

o Output Voltage Adjustable Down to 0.8V

o Fixed-Frequency PWM Operation

o Selectable 500kHz/1MHz or External

o ±4% Voltage Margining

MAX1960EVKIT

DESIGNATION QTY

JU1, JU2, JU3

Synchronization

C14, C15

C16, C17

R12, R13

D2–D5

PART

None

C37

JU4

TEMP RANGE

0°C to +70°C

Ordering Information

680µF, 2.5V, 8mΩ POSCAPs

Sanyo 2R5TPD680M8

4700pF ±10%, 50V X7R ceramic

capacitors (0603)

TDK C1608X7R1H472K or equivalent

470µF, 6.3V POSCAP

Sanyo 6TPB470M

Single Schottky diode (SOT-323)

Central CMSSH-3

Not installed, Schottky diodes

(SOD-123)

Central CMHSH5-2L (tripler)

3-pin headers

4-pin 3-way header

0.22µH inductor

Sumida CDEP105(S)-0R2NC-50

N-channel MOSFET (D-Pak)

IRF IRLR7821

N-channel MOSFET (D-Pak)

IRF IRLR7833

301kΩ ±1% resistor (0603)

6.8kΩ ±5% resistor (0603)

12.4kΩ ±1% resistor (0603)

10kΩ ±1% resistor (0603)

10Ω ±5% resistor (0603)

1Ω ±5% resistors (0603)

Maxim MAX1960EEP (20-pin QSOP)

Shunts, two position

MAX1960EVKIT PC board

Component List

DESCRIPTION

IC PACKAGE

20 QSOP

Features

Related parts for MAX1960EVKIT

MAX1960EVKIT Summary of contents

Page 1

... R3 1 12.4kΩ ±1% resistor (0603 10kΩ ±1% resistor (0603 10Ω ±5% resistor (0603) R12, R13 2 1Ω ±5% resistors (0603 Maxim MAX1960EEP (20-pin QSOP) None 4 Shunts, two position None 1 MAX1960EVKIT PC board Features IC PACKAGE 20 QSOP DESCRIPTION 1 ...

Page 2

MAX1960 Evaluation Kit The following components are for the optional MAX1962 circuit and are not installed: DESIGNATION QTY DESCRIPTION 680µF, 2.5V, 8mΩ POSCAPs C18, C19 2 Sanyo 2R5TPD680M8 or equivalent 4700pF ±10%, 50V X7R ceramic C20, C21 2 capacitors (0603) ...

Page 3

The MAX1960 EV kit is fully assembled and tested. Follow these steps to verify board operation. Do not turn on the power supply until all connections are completed: 1) Verify jumpers JU1, JU2, and JU3 are shorted between pins 2 ...

Page 4

MAX1960 Evaluation Kit Setting the Output Voltage (MAX1960/MAX1962) The MAX1960 uses a pair of feedback resistors to set the output voltage, which is fixed at +1.8V from the fac- tory. The output voltage of the MAX1962 can also be set ...

Page 5

Using SYNC and CLKOUT To synchronize the converter to an external clock, connect the clock signal (450kHz to 1.1MHz) to SYNC_. A clock output (CLKOUT_) is provided on the EV kit. CLKOUT_ functions both when the converter is switch- ing ...

Page 6

MAX1960 Evaluation Kit IN1 10µF 10µF 10µF PGND1 JU1 JU2 JU10 REF 10 C12 C10 0.01µF 0.22µ C11 6.8kΩ 301kΩ 10pF 11 3 SYNC1 2 JU3 1 CLKOUT1 ...

Page 7

Figure 2. MAX1960 EV Kit Component Placement Guide— Component Side Figure 4. MAX1960 EV Kit PC Board Layout—Layer 2 (Ground) _______________________________________________________________________________________ MAX1960 Evaluation Kit Figure 3. MAX1960 EV Kit PC Board Layout—Component Side 7 ...

Page 8

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Figure 6. MAX1960 EV Kit PC Board Layout— ...

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