PKU4513PI Ericsson Power Modules, PKU4513PI Datasheet - Page 7

• Manufacturer Part Number: PKU4513PI
• Description: DC/DC Converters & Regulators 12Vdc 4.2A Isolated Input 36-75V 50W
• Manufacturer: Ericsson Power Modules
• Series: PKUr

Specifications of PKU4513PI

• Output Power: 50 W
• Input Voltage Range: 36 V to 75 V
• Number Of Outputs: 1
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 4.2 A
• Isolation Voltage: 1.5 KV
• Package / Case Size: Sixteenth Brick
• Output Type: Isolated
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.2 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)
EJUNGYA
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
∆
20
11
%
(
.
×
100
22
I
I
×
. 1
⎞
⎟ ⎟
⎠
= 53 V,
= 53 V,
4
. 1
−
225
20
+
10
kΩ = 245 kΩ
4
(
100
×
.
)
22
∆
−
%
+
511
kΩ
4
∆
%
−
)
out
10
out
−
I
at:
.
= 1.248Vdc
511
∆
22
= 1.176 Vdc
%
⎞
⎟ ⎟
⎠
−
k Ω = 128 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
EQUENXU
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 => 1.30 V
Example: Downwards => 1.0 V
PRODUCT SPECIFICATION
No.
2/1301-BMR 602 4318/5 Uen
Date
2008-6-18
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
30
45
. 1
. 1
−
20
×
−
20
. 1
. 1
Vdesired
20
20
Technical Specifi cation
EN/LZT 146 308 R4B July 2008
© Ericsson Power Modules AB
⎞
⎟ ⎟
⎠
Rev
E
⎞
⎟ ⎟
⎠
. 1
V = 0.82 V
V = 1.43 V
20
−
. 1
20
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 4318 L PI
4 (5)
7