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EN6337QI/EN6347QI

Evaluation Board User Guide

Nov 2010

Page 8 of 9

Bill of Materials

Designator

Qty

Description

CAP, SMT ELECTROLYTIC, 150UF, 20%, 10V

CAP, CER 47UF 10V X5R 1206

C3, C13

CAP, 10UF 0805 X7R 10% 10V CERAMIC

CAP, CER 22UF 10V X5R 1206

C10 1

EN6337QI Evaluation Board

CAP, 15PF 50V CERM CHIP 0805 SMD

EN6347QI Evaluation Board

CAP, CERM 10PF 5% 50V NP0 0805

C11

15000PF 10% 50V SMD 0805 X7R CERAMIC CHIP CAPACITOR

C7, C9, C12,

J2, J3, J8,

J11, J12, R6,

R10

NOT USED

D1 1

S2A

DIODE

FB1 1

MULTILAYER SMD FERRITE BEAD 4000MA 0805 L=TYPICAL (NOT
GUARANTED)

J1, J10, J15

CONN, VERTICAL, 3 POSITION, SMT

J4-J7 4

BANANA

JACK

CONNECTOR HEADER 8 POS .100" STR TIN

RES 332K OHM 1/8W 1% 0805 SMD

RES 200K OHM 1/8W 0.1% 0805 SMD

RES 604K OHM 1/8W 1% 0805 SMD

RES 100K OHM 1/8W 1% 0805 SMD

RES 187K OHM 1/8W 1% 0805 SMD

RES 100K OHM 1/8W 0.1% 0805 SMD

R8 1

EN6337QI

RES 75.0K OHM 1/8W 1% 0805 SMD

EN6347QI

RES 60.4K OHM 1/8W 0.1% 0805 SMD

THICK FILM RESISITOR 0 OHM 1/8W 5% 0805 SMD

TP3, TP5,

TP8-TP12,

TP15-TP17

TP20, TP21,

TP25, TP26

TEST POINT SURFACE MOUNT

EN6337QI Evaluation Board

EN6337QI 3A GOOD TESTED
PRODUCT USING 6337-06 DIE- FIX
IN THE LLM FILTER LOGIC (GOLD
WIRE)

EN6347QI Evaluation Board

EN6347QI 4A GOOD TESTED
PRODUCT USING 6347-06 DIE-
SOFT-SHORT FIX (COPPER WIRE)

TRANSIENT VOLTAGE SUPPRESSOR, 6.5V, BIDIRECTIONAL, SMT

Содержание EN6337QI

Страница 1: ...rogrammable output voltage by means of a resistor divider The resistor divider allows the user to set the output voltage to any value within the range 0 75V to VIN VDROPOUT The evaluation board as shipped is populated with a 4 resistor divider option The upper resistor is fixed and has a phase lead capacitor in parallel One of the 4 lower resistors is selected with the jumper option for different ...

Страница 2: ...jumper is provided for controlling the LLM SYNC pin This pin can be high for automatic LLM light load mode operation If it is pulled low the part will be in PWM mode only Foot print is also provided for a SMA connector to LLM SYNC input A switching input to this pin allows the device clock to be phase locked to an external signal This external clock synchronization allows for moving any offending ...

Страница 3: ... the output connectors VOUT and GND as indicated in Figure 1 STEP 4 Select the output voltage setting jumper Figure 2 shows what output voltages are achieved by selecting each jumper position Populating multiple jumper positions will allow you to select higher output voltages You can populate up to all four jumper positions for the highest VOUT of approximately 3 73V with the resistors populated o...

Страница 4: ...TEP 7 External Clock Synchronization Spread Spectrum Modes In order to activate this mode it may be necessary to a solder a SMA connector at J8 Alternately the input clock signal leads may be directly soldered to the through holes of J8 as shown below GND Ext Clock Figure 3 SMA Connector for External Clock Input Power down the device Move ENA into disable position Connect the clock signal as just ...

Страница 5: ...ee running phase locked to a fixed frequency and spread spectrum Before measuring radiated EMI place a 10uF 0805 X7R capacitor at the input and output edges of the PCB footprint already provided on the board and connect the input power and the load to the board at or near these capacitors The added capacitor at the input edge is for high frequency decoupling of the input cables The one added at th...

Страница 6: ...1 TP5 R5 TP15 R7 J9 1 3 5 2 4 6 8 7 RLLM R8 C10 R6 J2 1 2 J3 1 2 TP7 TP6 C11 R4 R9 CW R10 1 3 2 J1 1 2 3 J10 1 2 3 C12 J8 TP18 TP19 C9 TP14 TP4 TP13 TP21 FB1 C13 U2 6 5V D1 C1 J13 1 2 J4 J6 LLM PVIN PVIN TP1 TP2 J11 1 2 J12 1 2 J14 1 2 J7 J5 SS ENA POK GND VIN PGND VOUT SYNC ENA POK VIN J15 1 2 3 TP12 TP16 TP3 TP20 TP8 TP10 TP9 TP11 0805 0805 0805 0805 0805 0805 0805 1206 0805 0402 0402 0805 0805 ...

Страница 7: ...d Input ripple output ripple and load transient deviation are best measured near the respective input output capacitors For more accurate ripple measurement please see Enpirion App Note regarding this subject 4 The board includes a pull up resistor for the POK signal and ready to monitor the power OK status at clip lead marked POK 5 A 15nF soft start capacitor is populated on the board for 1msec s...

Страница 8: ...N VERTICAL 3 POSITION SMT J4 J7 4 BANANA JACK J9 1 CONNECTOR HEADER 8 POS 100 STR TIN R1 1 RES 332K OHM 1 8W 1 0805 SMD R2 1 RES 200K OHM 1 8W 0 1 0805 SMD R3 1 RES 604K OHM 1 8W 1 0805 SMD R4 1 RES 100K OHM 1 8W 1 0805 SMD R5 1 RES 187K OHM 1 8W 1 0805 SMD R7 1 RES 100K OHM 1 8W 0 1 0805 SMD R8 1 EN6337QI RES 75 0K OHM 1 8W 1 0805 SMD EN6347QI RES 60 4K OHM 1 8W 0 1 0805 SMD R9 1 THICK FILM RESIS...

Страница 9: ...sign and or specifications at any time without notice Information furnished by Enpirion is believed to be accurate and reliable Enpirion assumes no responsibility for its use or for infringement of patents or other third party rights which may result from its use Enpirion products are not authorized for use in nuclear control systems as critical components in life support systems or equipment used...

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Enpirion EN6337QI, Руководство пользователя

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