E
MICMALE
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
4 (13)
Prepared (also subject responsible if other)
2/1301-BMR 658 Uen
Checked
Date
Rev
Reference
Technical Specification
7
May
2013
SEC/D Betty Wu
PKB 4000B series
Intermediate Bus
(EZHEWNG) 2009-12-10
Converters
Input 36-75 V, Output up to
40
A / 252 W
5 V, 40 A / 200 W Typical Characteristics
Start-up
Shut-down
E
EN/LZT 146
384
R4A
© Ericsson AB
PKB 4201B PI
Start-up enabled by connecting V
I
at:
T
ref
= +25 °C, V
I
= 53 V,
I
O
= 40 A resistive load.
C
out
= 1 mF.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting V
I
at:
T
ref
= +25 °C, V
I
= 53 V,
I
O
= 40 A resistive load.
C
out
= 1 mF.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (1 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
T
ref
= +25 °C, V
I
= 53 V,
I
O
= 40 A resistive load.
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (0.5 V/div.).
change (20-30-20 A) at:
Bottom trace: load current (20 A/div.).
T
ref
=+25 °C, V
I
= 53 V, C
out
= 1 mF.
Time scale: (0.1 ms/div.).
ERICSSON [ ERICSSON ]
