参数资料
型号: PKR2111ASI
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT, SMD-18
文件页数: 2/27页
文件大小: 794K
代理商: PKR2111ASI
Ericsson Internal
PRODUCT SPECIFICATION
7 (14)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1211+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-20
D
5.0V, 2A / 10W Typical Characteristics
PKR 2111A SI
Start-up
Shut-down
Start-up enabled by connecting V
I at:
Tref = +25°C, VI = 27 V,
IO = 2 A resistive load.
Top trace: output voltage (2.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (1 ms/div.).
Shut-down enabled by disconnecting V
I at:
Tref = +25°C, VI = 27 V,
IO = 2 A resistive load.
Top trace: output voltage (2.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (1 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Tref = +25°C, VI = 27 V,
IO = 2 A resistive load.
Trace: output voltage (5 mV/div.).
Time scale: (2 μs/div.).
Output voltage response to load current step-
change (0.5-1.5-0.5 A) at:
Tref =+25°C, VI = 27 V.
Top trace: output voltage (200 mV/div.).
Bottom trace: load current (1 A/div.).
Time scale: (0.1 ms/div.).
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:
Rou= 4.20 x (6.27 — Vo) / ( Vo - Voi) kΩ
E.g. Increase 4% =>Vout =5.25 Vdc
4.20 x (6.27 — 5.25) / (5.25- 5.05) = 21.4 k
Ω
Output Voltage Adjust Downwards, Decrease:
Rod= 18 x ( Voi — Vo) / (Vo —2.76) kΩ
E.g. Decrease 2% =>Vout = 4.95 Vdc
18 x ( 5.05 — 4.95) / (4.95 —2.76)= 0.822 kΩ
E
PKR 2000A series
DC/DC converters, Input 18-36 V, Output up to 2 A/15 W
EN/LZT 146 352 R2C September 2007
Ericsson Power Modules AB
Technical Specication
10
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