EK04 查看數據表（PDF） - Apex Microtechnology
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EK04 Datasheet PDF : 5 Pages
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EK04
EVALUATION KIT
FOR PA04 PIN-OUT
FIGURE 2.
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TYPICAL COMPONENT FUNCTIONS
COMPONENT FUNCTION
R1
R2
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
C1
C4
C5
C7
C8
C9
C10
C11
C12
C13
C14
C16
C17
CR2
CR3-8
CR9
CR11
Feedback resistor
Logic shutdown
Input resistor logic input
Current setting resistor
Input resistor logic input
Input resistor
Input bias current measurement (Note 4)
Current limit
Noise gain compensation (Note 1)
Resistor divider network for biasing inputs
(Note 2)
Input bias current measurement (Note 4)
Resistor divider network for biasing inputs
(Note 2)
Compensation resistor
AC gain or stability (Note 1)
Power supply bypass (Note 3)
Power supply bypass (Note 3)
Input coupling
AC gain set
Power supply bypass (Note 3)
Noise gain compensation (Note 1)
Power supply bypass (Note 3)
Bias node noise bypass (Note 2)
Bias node noise bypass (Note 2)
Compensation
Power supply bypass (Note 3)
Power supply bypass (Note 3)
Flyback protection (Note 5)
Input protection (Note 5)
Flyback protection (Note 5)
Zener reference for MAX636
OPTIONAL Vboost COMPONENT FUNCTIONS
AND RECOMMENDED VALUES
C2
C3
C6
C15
C18
C19
C20
CR1
CR10
CR11
IC1
IC2
L1
L2
Q4
Q5
R3
100µF 25V
100µF 100V
10µF 200V
100µF 100V
100µF 25V
1µF X7R 100V
1µF X7R 100V
1N5242
1N5819
1N5242
MAX632
MAX636
330µH
330µH
IRF9240
IRF240
50KΩ 1Watt
Regulator Input Capacitor
Boost Output Filter Capacitor
Bias Filter Capacitor
Boost Output Filter Capacitor
Regulator Input Capacitor
Boost Output Filter Capacitor
Boost Output Filter Capacitor
Positive Input Boost Reference
Negative Boost Flyback Diode
Negative Input Boost Reference
Positive Boost Regulator
Negative Boost Regulator
Positive Boost Output Inductor
Negative Boost Output Inductor
Positive Pass Element
Negative Pass Element
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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