PKU4510PI Ericsson Power Modules, PKU4510PI Datasheet - Page 13

• Manufacturer Part Number: PKU4510PI
• Description: Module DC-DC 1-OUT 3.3V 15A 49.5W 8-Pin
• Manufacturer: Ericsson Power Modules
• Type: Step Downr
• Series: PKUr

Specifications of PKU4510PI

• Output Current: 15 A
• Output Voltage: 3.3 V
• Input Voltage: 36 to 75 V
• Number Of Outputs: 1
• Output Power: 49.5 W
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 15 A
• Isolation Voltage: 1.5 KV
• Package / Case Size: Sixteenth Brick
• Output Type: Isolated
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1.8 V/25 A Typical Characteristics
Start-up
Start-up enabled by connecting V
T
I
Output Ripple & Noise
Output voltage ripple at:
T
I
Output Voltage Adjust (see operating information)
Passive adjust
The resistor value for an adjusted output voltage is calculated by
using the following equations:
Output Voltage Adjust Upwards, Increase:
Example: Increase 4% =>V
Output Voltage Adjust Downwards, Decrease:
Example: Decrease 2% =>V
Prepared (also subject responsible if other)
EQUENXU
Approved
SEC/D (ALICE SU)
PKU 4000 Series
DC/DC converters, Input 36-75 V, Output 25 A/50 W
O
O
⎛
⎜ ⎜
⎝
⎛
⎜ ⎜
⎝
Radj
Radj
ref
ref
= 25 A resistive load.
= 25 A resistive load.
. 5
511
2
= +25°C, V
= +25°C, V
11
=
=
⎞
⎟ ⎟
⎠
×
. 1
⎛
⎜ ⎜
⎝
−
. 1
⎛
⎜ ⎜
⎝
225
. 5
511
10
80
∆
11
%
(
.
100
×
22
I
I
×
. 1
⎞
⎟ ⎟
⎠
= 53 V,
= 53 V,
4
. 1
−
225
80
+
10
kΩ = 245 kΩ
4
(
100
×
.
)
22
∆
−
%
+
511
kΩ
4
∆
%
−
)
out
10
out
−
I
at:
.
= 1.872 V
511
∆
22
= 1.764 V
%
⎞
⎟ ⎟
⎠
−
k Ω = 57 k Ω
10
.
22
Top trace: output voltage ( 0.5 V/div.).
Bottom trace: input voltage ( 20 V/div.).
Time scale: ( 5 ms/div.).
Trace: output voltage ( 20 mV/div.).
Time scale: ( 2 µs/div.).
⎞
⎟ ⎟
⎠
k Ω
Checked
EJUNGYA
Shut-down
Shut-down enabled by disconnecting V
T
I
Output Load Transient Response
Output voltage response to load current step-
change (6.25 - 18.75 - 6.25 A) at:
T
Active adjust
The output voltage may be adjusted using a voltage applied to the
Vadj pin. This voltage is calculated by using the following equation:
Example: Upwards => 1.90 V
Example: Downwards => 1.0 V
PRODUCT SPECIFICATION
No.
2/1301-BMR 602 4418/1 Uen
Date
2008-6-17
O
Vadj
⎛
⎜ ⎜
⎝
ref
ref
⎛
⎜ ⎜
⎝
. 1
= 25 A resistive load.
. 1
=+25°C, V
= +25°C, V
225
225
=
⎛
⎜ ⎜
⎝
+
+
. 1
. 2
. 2
225
45
45
I
I
= 53 V.
×
+
= 53 V,
×
. 1
. 2
. 1
00
45
90
. 1
. 1
−
80
×
−
80
. 1
Vdesired
. 1
80
80
Technical Specifi cation
EN/LZT 146 308 R4B July 2008
© Ericsson Power Modules AB
⎞
⎟ ⎟
⎠
Rev
E
⎞
⎟ ⎟
⎠
. 1
V = 0.14 V
V = 1.36 V
80
−
. 1
80
I
at:
⎞
⎟ ⎟
⎠
V
Reference
Top trace: output voltage ( 0.5 V/div.).
Bottom trace: input voltage ( 50 V/div.).
Time scale: ( 0.2 ms/div.).
Top trace: output voltage ( 200 mV/div.).
Bottom trace: load current ( 10 A/div.).
Time scale: ( 0.1 ms/div.).
PKU 4418G PI
4 (5)
13