Technical Specification
Brick
MECHANICAL
DIAGRAM
2.30
0.19
(4.8)
Half
48Vin 1.8Vout 60A
1.90
(48.3)
(58.4)
0.50
(12.7)
0.300
(7.62)
0.400
(10.16)
0.400
(10.16)
0.700
(17.78)
1.000
(25.40)
0.200
(5.08)
1.400
(35.56)
Top View
0.200
(5.08)
1.000
(25.40)
2.40
(61.0)
1.400
(35.56)
Max. Height
Bottom side
Clearance
See Note 10
0.43
(11.2)
0.037+/-0.029
(0.94+/-0.74)
Side View
Lowest
Component
Load Board
0.145
(3.68)
See Note 4
NOTES
1) Pins 1-4, 6-8, A-C are 0.040” (1.02mm) diameter. with
0.080” (2.03mm) diameter standoff shoulders.
2) Pins 5 and 9 are 0.080” (2.03 mm) diameter with
0.125” (3.18mm) diameter standoff shoulders.
3) Pins 3, A, B & C only included in Full-Feature models.
4) Other pin extension lengths available. Recommended pin
length is 0.03” (0.76mm) greater than the PCB thickness.
5) All Pins: Material - Copper Alloy
Finish - Tin/Lead over Nickel plate
6) Undimensioned components are shown for visual
reference only.
7) All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)
x.xxx +/-0.010 in. (x.xx +/-0.25mm)
8) Weight: 2.6 oz. (75g) typical
9) Workmanship: Meets or exceeds IPC-A-610C Class II
10)
UL/TUV standards require a clearance greater than 0.04”
(1.02mm) between input and output for Basic insulation. This
issue should be considered if any copper traces are on the top
side of the user’s board. Note that the ferrite cores are consid-
ered part of the input/primary circuit.
PIN CONNECTIONS
Pin No. Name
1
2
Vin(+)
ON/OFF
Function
Positive input voltage
TTL input to turn converter
on and off, referenced to
Vin(-), with internal pull up.
3
4
5
6
7
8
9
A
B
C
I share
Vin(-)
Vout(-)
SENSE(-)
TRIM
SENSE(+)
Vout(+)
Clock Sync
Start Sync
OR Drive
Single wire parallel signal
Negative input voltage
Negative output voltage
Return remote sense
Output voltage trim
Positive remote sense
Positive output voltage
Clock synchronization
Startup synchronization
External OR-FET drive
Pins in Italics Shaded text are Optional
Product # PQ48018HTA60
Phone 1-888-567-9596
Doc.# 005-2HT418F Rev. O
11/20/02
Page 2
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