PKR4910ASI Ericsson Power Modules, PKR4910ASI Datasheet - Page 25

• Manufacturer Part Number: PKR4910ASI
• Description: Module DC-DC 1-OUT 3.3V 3A 9.9W 18-Pin SMD
• Manufacturer: Ericsson Power Modules
• Type: Step Downr
• Series: PKRr

Specifications of PKR4910ASI

• Package: 18SMD
• Output Current: 3 A
• Output Voltage: 3.3 V
• Input Voltage: 36 to 75 V
• Number Of Outputs: 1
• Output Power: 9.9 W
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 3 A
• Isolation Voltage: 1.5 KV
• Package / Case Size: MacroDens
• Output Type: Isolated
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

+5.0V, 0.6A / +3.3V, 0.9A / 6W Dual, Typical
Characteristics
Start-up
Start-up enabled by connecting V
T
load, V
Output Ripple & Noise
Output voltage ripple (20mV/div.) at:
T
load, V
Output Voltage Adjust (see operating information)
Passive trim
The resistor value for an adjusted output voltage is calculated by using
the following equations:
Output Voltage Adjust Upwards, Increase:
R
Output Voltage Adjust Downwards, Decrease:
R
Prepared (also subject responsible if other)
ESKEVIN
Approved
SEC/D (Julia You)
PKR 4000 series
PKR 4000 series
PKR 4000 series
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
ref
ref
ou
od
= +25°C, I
= +25°C, I
= 0.495 × (3.93 — V
= 1.986 × (3.27 — V
E.g. Increase 4% =>V
0.495
E.g. Decrease 2% =>V
1.986 × (3.27 — 3.20)/(3.20 — 2.59) = 0.228 k Ω
I
I
= 53 V
= 53 V. Time scale: 2 μs/div
O1
O1
×
= 0.6 A, I
= 0.6 A, I
(3.93 — 3.4)/(3.4 —3.27 ) = 2.02 k
O2
O2
= 0.9 A resistive
= 0.9 A resistive
O
O
)/(V
)/(V
I
at:
o
O
O
o
= 3.40 Vdc
= 3.20 Vdc
— 3.27)k Ω
— 2.59)k Ω
Top trace: Output 1 (2 V/div.).
Mid trace: Output 2 (2 V/div.).
Bottom trace: Input voltage (50 V/div.).
Time scale: 2 ms/div.
Top trace: Output 1 (20 mV/div.).
Bottom trace: Output 2 (20 mV/div.).
See the filter in the Output ripple and noise
section (EMC Specification).
Ω
Checked
EZYPING
PRODUCT SPECIFICATION
No.
2/1301-BMR 640 1401+ Uen
Date
2007-8-27
Shut-down enabled by disconnecting V
T
load, V
Output Load Transient Response
Output voltage response to load current
step-change (0.15-0.45-0.15 A) at:
T
load
Shut-down
ref
ref
=+25°C, V
= +25°C, I
I
= 53 V.
I
O1
= 53 V. I
= 0.6 A, I
O2
O2
Technical Specifi cation
Technical Specifi cation
Technical Specifi cation
EN/LZT 146 302 R6E September 2007
EN/LZT 146 302 R6F November 2007
EN/LZT 146 302 R6G November 2008
© Ericsson Power Modules AB
© Ericsson Power Modules AB
© Ericsson Power Modules AB
= 0.9A resistive
Rev
G
= 0.9 A resistive
I
at:
Reference
Top trace: Output 1 (2 V/div.).
Mid trace: Output 2 (2 V/div.).
Bottom trace: Input voltage (50 V/div.).
Time scale: 2 ms/div.
Top trace: Output 2 (200mV/div.).
Mid trace: Output 1 (200mV/div.).
Bottom trace: load current Output 1
(0.5 A/div.).
Time scale: 0.1 ms/div.
PKR 4628 SI
22 (23)
25