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參數資料
| 型號： | PA04A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運算放大器 |
| 英文描述： | POWER OPERATIONAL AMPLIFIERS |
| 中文描述： | 功耗運算放大器 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 60K |
| 代理商： | PA04A |
APEX MICROTECHNOLOGY CORPORATION
TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
PA04
BeO
TE9USA
12
9
1
5
6
8
10
I
LIM
11
7
2
4
3
SLEEP
+V
BOOST
Q10
–IN
Q14 Q15
Q21
–V
BOOST
COMP
Q22
+IN
Q20
COMP
Q17
D1
Q5
Q12
Q19
Q26
Q18
D9
Q13
+Vs
Q6
I
LIM
OUT
Q7
–Vs
D5
D6
D2
D3
D7
D8
D4
TYPICAL APPLICATION
The high power bandwidth and high voltage output of the
PA04 allows driving sonar transducers via a resonant circuit
including the transducer and a matching transformer. The load
circuit appears resistive to the PA04. Control logic turns off the
amplifier in sleep mode.
Sonar Transducer Driver
EXTERNAL CONNECTIONS
PHASE COMPENSATION
Gain
C
1
470pF
>3
220pF
≥
10
100pF
C
C
RATED FOR FULL SUPPLY VOLTAGE
*See “BOOST OPERATION” paragraph.
R
C
120
120
120
CONTROL
LOGIC
ULTRA-
SONIC
DRIVE
R
f
R
i
1
12
2
7
10
11
R
CL
TUNED
TRANSFORMER
PA04
VIEW
-INPUT
+INPUT
SLEEP
CURRENT LIMIT
CURRENT LIMIT
C
C
R
C
1
2
3
4
5
6
12
11
10
9
8
7
TOP
COMP
-V
BOOST
-SUPPLY
+V
BOOST
*
+SUPPLY
OUTPUT
*
COMP
FEATURES
HIGH INTERNAL DISSIPATION — 200 WATTS
HIGH VOLTAGE, HIGH CURRENT — 200V, 20A
HIGH SLEW RATE — 50V/
μ
S
4 WIRE CURRENT LIMIT SENSING
LOW DISTORTION
EXTERNAL SLEEP MODE CONTROL
OPTIONAL BOOST VOLTAGE INPUTS
EVALUATION KIT — SEE EK04
APPLICATIONS
SONAR TRANSDUCER DRIVER
LINEAR AND ROTARY MOTOR DRIVES
YOKE/MAGNETIC FIELD EXCITATION
PROGRAMMABLE POWER SUPPLIES TO
±
95V
AUDIO UP TO 400W
DESCRIPTION
The PA04 is a high voltage MOSFET power operational
amplifier that extends the performance limits of power ampli-
fiers in slew rate and power bandwidth, while maintaining high
current and power dissipation ratings.
The PA04 is a highly flexible amplifier. The sleep mode
feature allows ultra-low quiescent current for standby opera-
tion or load protection by disabling the entire amplifier. Boost
voltage inputs allow the small signal portion of the amplifier to
operate at a higher voltage than the high current output stage.
The amplifier is then biased to achieve close linear swings to
the supply rails at high currents for extra efficient operation.
External compensation tailors performance to user needs. A
four wire sense technique allows precision current limiting
without the need to consider internal or external milliohm
parasitic resistance in the output line.
The JEDEC MO-127 12-pin Power Dip package (see
Package Outlines) is hermetically sealed and isolated from the
internal circuits. The use of compressible thermal washers will
void product warranty.
EQUIVALENT SCHEMATIC
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
M I C R O T E C H N O L O G Y
POWER OPERATIONAL AMPLIFIERS
PA04 PA04A
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| PA05 | Voltage-Feedback Operational Amplifier |
| PA06REMOTEKEYPAD | KEYPAD REMOTE |
| PA07M | Voltage-Feedback Operational Amplifier |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PA04D0303A | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:1W DC/DC CONVERTER, SIP-Package, High Isolation |
| PA04D0305A | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:2W DC/DC CONVERTER, SIP-Package |
| PA04D0503A | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:2W DC/DC CONVERTER, SIP-Package |
| PA04D0505A | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:1W DC/DC CONVERTER, SIP-Package, High Isolation |
| PA04D1203A | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:1W DC/DC CONVERTER, SIP-Package, Wide 2:1 Input Range |
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