PKM4319EPI Ericsson Power Modules, PKM4319EPI Datasheet - Page 10

• Manufacturer Part Number: PKM4319EPI
• Description: Module DC-DC 1-OUT 2.5V 15A 37.5W 8-Pin Quarter-Brick
• Manufacturer: Ericsson Power Modules
• Type: Step Downr
• Series: PKM-Er

Specifications of PKM4319EPI

• Package: 8Quarter-Brick
• Output Current: 15 A
• Output Voltage: 2.5 V
• Input Voltage: 36 to 75 V
• Number Of Outputs: 1
• Output Power: 37.5 W
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 1.5 V
• Output Current (channel 1): 20 A
• Isolation Voltage: 1.5 KV
• Package / Case Size: Quarter Brick
• Output Type: Isolated
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Start-Up
PKM 1LE PI Typical Characteristics
Output Ripple
PKM 4000E PI Datasheet
Output Voltage Adjust (see operating information)
The resistor value for an adjusted output voltage is
calculated by using the following equations:
Output Voltage Adjust Upwards, Increase:
Eg Increase 4% =>V
R
R
adj
adj
=
=
Output voltage ripple (5mV/div .) at T
Io=20A resistive load with C=10 µF tantalum and 0 .1 µF
ceramic capacitors . Band width=20MHz . Time scale: 2µs / div .
8.85x(100+
8.85x(100+
Start-up at Io=20A resistive load at T
Vin=53 V . Start enabled by connecting Vin . Top trace:
input voltage (20 V/div .) . Bottom trace: output voltage
(0 .5 V/div .) . Time scale: 5 ms/div .
21.1x
21.1x
Δ
4
Δ
4
)x9.1x1.2
%)x9.1x1.2
%x1.225
x1.225
out
= 1 .248 V
- 5.11 kOhm
- 5.11 kOhm
dc
Pcb
= 92 kOhm
=+25 °C, Vin=53 V,
Pcb
=+25 °C,
10
Transient
Turn-Off
Output Voltage Adjust Downwards, Decrease:
Eg Decrease 4% =>V
R
R
adj
adj
=
=
Output voltage response to load current step-change
(5-15-5 A) at T
load current (5 A/div .) . Bottom trace: output voltage
(100mV/div .) Time scale: 0 .1 ms/div .
Turn-off at Io=20A resistive load at T
Vin=53 V . Turn-off enabled by disconnecting Vin . Top
trace: input voltage (20mV/div .) . Bottom trace: Output
voltage (0 .5 V/div .) . Time scale: 500 µs/div .
12 9.1
12 9.1
1
1
+
+
1
1
1
1
EN/LZT 146 051 R7A © Ericsson Power Modules, February 2007
100- %
out
100-4
Pcb
100
100
Δ
= 1 .152 V
=+25 °C, Vin=53 V . Top trace:
-1
-1
- 5.11 kOhm
- 5.11 kOhm
dc
= 119.1 kOhm
Pcb
=+25 °C,