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ATH18 Datasheet

  • ATH18

  • 6-A, 3.3-V Input Non-Isolated Wide-Output Adjust Power Modul...

  • 14頁(yè)

  • ASTEC

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ATH06T033 Series 鈥?.3-V Input
6-A, 3.3-V Input Non-Isolated
Wide-Output Adjust Power Module
REVISION 00 (01DEC2003)
Features
鈥?/div>
Up to 6-A Output Current
鈥?/div>
3.3-V Input Voltage
鈥?/div>
Wide-Output Voltage Adjust
(0.8 V to 2.5 V)
鈥?/div>
Efficiencies up to 94 %
鈥?/div>
103 W/in魯 Power Density
鈥?/div>
On/Off Inhibit
鈥?/div>
Pre-Bias Startup
鈥?/div>
Under-Voltage Lockout
鈥?/div>
Operating Temp: 鈥?0 to +85 擄C
鈥?/div>
Auto-Track鈩?Sequencing
鈥?/div>
Output Over-Current Protection
(Non-Latching, Auto-Reset)
鈥?/div>
IPC Lead Free 2
鈥?/div>
Safety Agency Approvals (Pending)
UL 1950, CSA 22.2 950, &
EN60950
鈥?/div>
Point-of-Load Alliance (POLA)
Compatible
NOMINAL SIZE =
0.87 in x 0.5 in
(22,1 mm x 12,57 mm)
Description
The ATH06T033 series is one of the
smallest non-isolated power modules that
features Auto-Track鈩? Auto-Track鈩?/div>
simplifies supply voltage sequencing in
power systems by enabling modules to track
each other, or any other external voltage,
during power up and power down.
Although small in size (0.87 in
脳
0.5 in),
these modules are rated for up to 6 A of
output current, and are an ideal choice in
applications where space, performance,
and a power-up sequencing capability are
important attributes.
The product provides high-performance
step-down conversion from a 3.3-V input
bus voltage. The output voltage of the
ATH06T033 can be set to any voltage
over the range, 0.8 V to 2.5 V, using a
single resistor.
Other operating features include an
on/off inhibit, output voltage adjust (trim),
and output over-current protection. For
high efficiency these parts employ a
synchronous rectifier output stage, but a
pre-bias hold-off capability ensures that
the output will not sink current during
startup.
Target applications include telecom,
industrial, and general purpose circuits,
including low-power dual-voltage systems
that use a DSP, microprocessor, ASIC, or
FPGA.
Package options include both through-
hole and surface mount configurations.
Pin Configuration
Pin
1
2
3
4
5
6
Function
GND
Track
V
in
Inhibit *
V
o
Adjust
V
out
ADVANCE INFORMATION
* Denotes negative logic:
Open
= Normal operation
Ground = Function active
k鈩?/div>
-Trac g
Auto ncin
e
Sequ
Standard Application
Rset = Required to set the output voltage to a value
higher than 0.8 V. (See spec. table for values)
Cin = Required 100 碌F
Co 1 = Optional 100 碌F capacitor
Co
2
= Optional 10 碌F ceramic capacitor for reduced
output ripple.
Track
1
2
6
V
OUT
V
IN
3
4
ATH06T033-9S
5
Co
1
100 碌F
Electrolytic
(Optional)
Co
2
10 碌F
Ceramic
(Optional)
PTH03050W
(Top View)
C
IN
100 碌F
(Required)
R
SET
1 %, 0.1 W
(Required)
Inhibit
GND
GND
North America (USA): 1-888-41-ASTEC
Europe (UK): 44(1384)842-211
Asia (HK): 852-2437-9662

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