参数资料
| 型号： | PA60EU |
| 厂商： | Apex Microtechnology |
| 文件页数： | 4/4页 |
| 文件大小： | 0K |
| 描述： | IC PWR AMP 40V 1.5A 12SIP |
| 标准包装： | 16 |
| 系列： | Apex Precision Power® |
| 放大器类型： | 功率 |
| 电路数： | 2 |
| 转换速率： | 1.4 V/µs |
| 增益带宽积： | 1.4MHz |
| 电流 - 输入偏压： | 100nA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 8mA |
| 电流 - 输出 / 通道： | 1.5A |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 40 V，±2.5 V ~ 20 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 12-SIP |
| 供应商设备封装： | 12-SIP |
| 包装： | 管件 |
| 配用： | 598-1463-ND - EVALUATION KIT FOR PA60EU EK54-ND - EVALUATION KIT FOR PA60DK |
| 其它名称： | 598-1342 |
P r o d u c t I n n o v a t i o n F r o m
PA60
4
PA60U
GENERAL
Please readApplication Note 1 "General Operating Consider-
ations" which covers stability, supplies, heatsinking, mounting,
SOA interpretation, and specification interpretation.Visit www.
Cirrus.com for design tools that help automate tasks such as
calculations for stability, internal power dissipation, heatsink
selection;Apex's complete Application Notes library;Technical
Seminar Workbook; and Evaluation Kits.
STABILITY CONSIDERATIONS
All monolithic power op
amps use output stage
topologies that present
special stability problems.
This is primarily due to
non-complementary (both
devices are NPN) output
stages with a mismatch in
gain and phase response
for different polarities of
output current. It is difficult
for the op amp manufacturer
to optimize compensation
for all operating conditions. For applications with load current
exceeding 300mA, oscillation may appear.The oscillation may
occur only with the output voltage swing at the negative or
positive half cycle. Under most operating and load conditions
acceptable stability can be achieved by providing a series RC
snubber network connected from the output to ground (see
Figure 4). The recommended component values of the of the
network are,R
SN = 10 and CSN = 0.01F. Please refer to Ap-
plication Note 1 for further details.
SAFE OPERATING AREA (SOA)
The SOA curves combine the effect of all limits for this power
op amp. For a given application, the direction and magnitude
of the output current should be calculated or measured and
checked against the SOA curves. This is simple for resistive
loads but more complex for reactive and EMF generating loads.
The following guidelines may save extensive analytical efforts.
THERMAL CONSIDERATIONS
The PA60EU has a large exposed copper heat tab to which
the monolithic is directly attached. The PA60EU may require a
thermal washer, which is electrically insulating since the tab
is directly tied to -VS. This can result in a thermal impedance
RCS of up to 1C/W or greater.
MOUNTING PRECAUTIONS
1. Always use a heat sink. Even unloaded the PA60EU can
dissipate up to .4 watts.
2. Avoid bending the leads. Such action can lead to internal
damage.
3. Always fasten the tab of the EU package to the heat sink
before the leads are soldered to fixed terminals.
4. Strain relief must be provided if there is any probability of
axial stress to the leads.
1
10
100
SUPPLY TO OUTPUT DIFFERENTIAL VOLTAGE, V
S - VO, (V)
0.1
1
10
OUTPUT
CURRENT
FROM
+V
Sor
-V
S,
(A)
SOA PA60EU
DC, T
C = 25°C
DC, T
C = 85°C
(A) AMPLIFIER LOADED
(A+B) AMPLIFIERS LOADED
POWER DERATING
CASE TEMPERATURE, T
C (C)
INTERNAL
PO
WER
DISSIP
ATION,
P
(W)
0
25
50
75
100
125
25
20
15
10
5
(A) AMPLIFIER
30
(A+B) AMPLIFIERS
0
35
–
+
C
SN
0.01F
R
SN
10
FIGURE 4. R-C Snubber
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