參數(shù)資料
型號(hào)： ATH18K12-9S
英文描述： 18-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module
中文描述： 18甲，12 V輸入非隔離寬輸出調(diào)節(jié)電源模塊
文件頁(yè)數(shù)： 3/13頁(yè)
文件大小： 1470K
代理商： ATH18K12-9S
North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662
Environmental & Absolute Maximum Ratings
(Voltages are with respect to GND)
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Track Input Voltage
Operating Temperature Range
Solder Reflow Temperature
Storage Temperature
Mechanical Shock
Vtrack
–0.2
–40
—
—
Vin
V
°C
°C
°C
Ta
Over V
in
Range
Surface temperature of module body or pins
—
Per Mil-ST D-883D, Method 2002.3
1 msec, Sine, mounted
Mil-ST D-883D, Method 2007.2
20-2000 Hz
85
215
(i)
125
Treflow
Ts
–40
—
—
500
—
G’s
Mechanical Vibration
—
20
—
G’s
Weight
Flammability
—
—
—
7
—
grams
Meets UL 94V-O
Notes:
(i) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum. For
further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products.”
Specifications
(Unless otherwise stated, T
a
=25 °C, V
in
=12 V, V
out
=3.3 V, C
in
=560 μF, C
out
=0 μF, and I
o
=I
o
max)
PTH12020W
Typ
Characteristics
Symbols
Conditions
Min
Max
Units
Output Current
Io
60 °C, 200 LFM airflow
25 °C, natural convection
Over I
o
range
0
0
10.8
—
—
—
—
—
—
—
—
±0.5
±5
±5
18
18
13.2
±2
—
—
—
(1)
(1)
A
Input Voltage Range
Set-Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Variation
Vin
V
o
tol
Reg
temp
Reg
line
Reg
load
Reg
tot
V
%V
o
(2)
–40 °C <T
a
< +85 °C
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40 °C
≤
T
a
≤
+85 °C
I
o
=10 A
% Vo
mV
mV
—
—
±3
(2)
%V
o
Efficiency
η
R
SET
= 280
R
SET
= 2.0 k
R
SET
= 4.32 k
V
o
=
R
SET
= 8.06 k
V
o
=
2.0 V
R
SET
= 11.5 k
V
o
=
1.8 V
R
SET
= 24.3 k
V
o
=
1.5 V
R
SET
= open cct.V
o
=
1.2 V
V
o
=
5.0 V
V
o
=
2.5 V
—
—
—
—
—
—
—
—
—
—
95.0
93.5
92.2
90.8
90.0
88.5
86.5
32
1
30
—
—
—
—
—
—
—
—
—
—
%
V
o
Ripple (pk-pk)
Vr
20 MHz bandwidth
V
o
≤
2.5 V
V
o
>
2.5 V
mVpp
% V
o
A
Over-Current T hreshold
Transient Response
I
o
trip
Reset, followed by auto-recovery
1 A/μs load step, 50 to 100 % I
o
max,
C
out
=330 μF
t
tr
V
tr
V
o
margin
I
IL
margin
I
IL
track
dV
track
/dt
UVLO
Recovery T ime
V
o
over/undershoot
—
—
—
—
—
5
—
8.8
70
130
± 5
– 8
(3)
—
—
9.7
9.2
—
—
—
—
–0.13
(4)
—
10.4
—
μSec
mV
%
μA
mA
V/ms
Margin Up/Down Adjust
Margin Input Current (pins 9 /10)
Track Input Current (pin 8)
Track Slew Rate Capability
Under-Voltage Lockout
Pin to GND
Pin to GND
V
track
– V
o
≤
50 mV and V
track
< V
o
(nom)
V
in
increasing
V
in
decreasing
Referenced to GND
V
Inhibit Control (pin3)
Input High Voltage
Input Low Voltage
Input Low Current
Input Standby Current
Switching Frequency
External Input Capacitance
External Output Capacitance
Reliability
V
IH
V
IL
I
IL
inhibit
I
in
inh
s
C
in
C
out
MT BF
V
–0.5
–0.2
—
—
260
560
(5)
0
—
—
–0.24
5
320
—
330
(6)
Open
(4)
0.5
—
—
380
—
10,000
V
Pin to GND
Inhibit (pin 3) to GND, Track (pin 8) open
Over V
in
and I
o
ranges
mA
mA
kHz
μF
μF
Per Bellcore T R-332
50 % stress, T
a
=40 °C, ground benign
5.3
—
—
10
6
Hrs
Notes:
(1) See SOA curves or consult factory for appropriate derating.
(2) The set-point voltage tolerance is affected by the tolerance and stability of R
SET
. The stated limit is unconditionally met if R
SET
has a tolerance of 1 %,
with 200 ppm/°C or better temperature stability.
(3) A small low-leakage (<100 nA) MOSFET is recommended to control this pin. The open-circuit voltage is less than 1 Vdc.
(4) This control pin has an internal pull-up to the input voltage Vin. If it is left open-circuit the module will operate when input power is applied. A small
low-leakage (<100 nA) MOSFET is recommended for control. For further information, consult the related application note.
(5) A 560 μF electrolytic input capacitor is required for proper operation. The capacitor must be rated for a minimum of 800 mA rms of ripple current.
(6) An external output capacitor is not required for basic operation. Adding 330 μF of distributed capacitance at the load will improve the transient response.
REVISION 00 (30SEP2003)
ATH18K12 Series—12-V Input
18-A, 12-V Input Non-Isolated
Wide-Output Adjust Power Module
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