EK04 参数 Datasheet PDF下载

EK04

FIGURE 2.

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EVALUATION KIT

FOR PA04 PIN-OUT

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TYPICAL COMPONENT FUNCTIONS

COMPONENT

FUNCTION

R1

Feedback resistor

R2

Logic shutdown

R4

Input resistor logic input

R5

Current setting resistor

R6

Input resistor logic input

R7

Input resistor

R8

Input bias current measurement (Note 4)

R9

Current limit

R10

Noise gain compensation (Note 1)

R11

Resistor divider network for biasing inputs

(Note 2)

R12

Input bias current measurement (Note 4)

R13

Resistor divider network for biasing inputs

(Note 2)

R14

Compensation resistor

C1

AC gain or stability (Note 1)

C4

Power supply bypass (Note 3)

C5

Power supply bypass (Note 3)

C7

Input coupling

C8

AC gain set

C9

Power supply bypass (Note 3)

C10

Noise gain compensation (Note 1)

C11

Power supply bypass (Note 3)

C12

Bias node noise bypass (Note 2)

C13

Bias node noise bypass (Note 2)

C14

Compensation

C16

Power supply bypass (Note 3)

C17

Power supply bypass (Note 3)

CR2

Flyback protection (Note 5)

CR3-8

Input protection (Note 5)

CR9

Flyback protection (Note 5)

CR11

Zener reference for MAX636

OPTIONAL Vboost COMPONENT FUNCTIONS

AND RECOMMENDED VALUES

C2

100µF 25V

Regulator Input Capacitor

C3

100µF 100V

Boost Output Filter Capacitor

C6

10µF 200V

Bias Filter Capacitor

C15

100µF 100V

Boost Output Filter Capacitor

C18

100µF 25V

Regulator Input Capacitor

C19

1µF X7R 100V

Boost Output Filter Capacitor

C20

1µF X7R 100V

Boost Output Filter Capacitor

CR1

1N5242

Positive Input Boost Reference

CR10 1N5819

Negative Boost Flyback Diode

CR11 1N5242

Negative Input Boost Reference

IC1

MAX632

Positive Boost Regulator

IC2

MAX636

Negative Boost Regulator

L1

330µH

Positive Boost Output Inductor

L2

330µH

Negative Boost Output Inductor

Q4

IRF9240

Positive Pass Element

Q5

IRF240

Negative Pass Element

R3

50KΩ 1Watt

Reference Bias Resistor

NOTE: Q4 and Q5 can optionally be attached to heatsinks,

Apex part # HS01. This should be done when the

total supply voltage to the PA04 exceeds 60 Vdc.

NOTES: Please refer to the following sections of the APEX

DATABOOK as noted.

1. See Stability section of “General Operating Consider-

ations.”

2. See “General Operating Considerations.”

3. See Power Supplies section of “General Operating Consid-

erations.”

4. See “Parameter Definitions and Test Methods.”

5. See Amplifier Protection section of “General Operating

Considerations.”

APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: 1 (800) 546-2739

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