PKR4910ASI Ericsson Power Modules, PKR4910ASI Datasheet - Page 19

• 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

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
+12V, 0.25A / -12V, 0.25A / 6W Dual, Typical
Characteristics
Start-up
Start-up enabled by connecting V
T
V
Output Ripple & Noise
Output voltage ripple (10mV/div.) at:
T
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
ref
I
ref
I
ou
od
= 53 V.
= 53 V. Time scale: 2 μs/div.
= +25°C,
= +25°C,
= 0.566 × (14.4 — V
= 2.284 × (12 — V
E.g. Increase 4% =>V
0.566
E.g. Decrease 2% =>V
2.284
I
I
01
01
×
×
= I
= I
(14.4 — 12.48)/( 12.48 — 12) = 2.26 k
(12 —11.76)/(11.76 — 9.52) = 0.245 k
02
02
= 0.25 A resistive load,
= 0.25 A resistive load,
O
)/(V
O
)/(V
O
I
out
at:
— 9.52) k Ω
O
out
— 12) k Ω
= 12.48 Vdc
= 11.76 Vdc
Top trace: Output 1 (5 V/div.).
Mid trace: Output 2 (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: 2 ms/div.
See the filter in the Output ripple and noise
section (EMC Specification).
Ω
Ω
Checked
EZYPING
PRODUCT SPECIFICATION
No.
2/1301-BMR 640 1401+ Uen
Date
2007-8-27
Shut-down
Shut-down enabled by disconnecting V
T
load,
V
Output Load Transient Response
step-change Output 1(0.1-0.2-0.1A) at:
T
Output voltage response to load current
ref
ref
I
= 53 V.
=+25°C,
= +25°C,
I
02
I
01
= 0.25A
= I
02
= 0.25 A resistive
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
Rev
G
, V
I
= 53 V.
I
at:
Reference
Top trace: Output 1 (5 V/div.).
Mid trace: Output 2 (5 V/div.).
Bottom trace: input voltage (100 V/div.).
Time scale: 5 ms/div.
Top trace: Output 1 (200mV/div.).
Mid trace: Output 2 (200mV/div.).
Bottom trace: Load current Output 1
(0.1 A/div.).
Time scale: 0.1 ms/div.
PKR 4621 SI
16 (23)
19