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參數(shù)資料
| 型號(hào)： | BMR4532101/000 |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER-BRICK PACKAGE-16 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大?。?/td> | 2708K |
| 代理商： | BMR4532101/000 |
Ericsson Internal
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
EANDKUL
30/1301-BMR 453 Uen
Approved
Checked
Date
Rev
Reference
EAB/FJB/GMF (Natalie Johansson)
(MICJMAL)
2009-02-02
C
Operating information continued
Remote Sense
The DC/DC converters have remote sense that can be used to
compensate for voltage drops between the output and the
point of load. The sense traces should be located close to the
PCB ground layer to reduce noise susceptibility. The remote
sense circuitry will compensate for up to 10% voltage drop
between output pins and the point of load. If the remote sense
is not needed +Sense should be connected to +Out and -
Sense should be connected to -Out. To be able to use remote
sense the converter must be equipped with a digital
connector.
Temperature Protection (OTP, UTP)
The products are protected from thermal overload by an
internal temperature shutdown protection.
When Tref as defined in thermal consideration section is
exceeded the product will shut down. The product will make
continuous attempts to start up (non-latching mode) and
resume normal operation automatically when the temperature
has dropped below the temperature threshold, the hysteresis
is defined in general electrical specification.
The OTP and hysteresis of the product can be re-configured
using the PMBus interface. The product has also an under
temperature protection. The OTP and UTP fault limit and fault
response can be configured via the PMBus. Note: using the
fault response “continue without interruption” may cause
permanent damage of the product.
Over Voltage Protection (OVP)
The product has output over voltage protection that will shut
down the converter in over voltage conditions (latching mode)
The OVP fault level and fault response can be re-configured
using the PMBus interface.
Over Current Protection (OCP)
The product includes current limiting circuitry for protection at
continuous overload. The product will shut down if the max
output current (max IO) is exceeded and the output voltage is
below 3.6V. The load distribution should be designed for the
maximum output short circuit current specified. The OCP level
and fault response can be re-configured using the PMBus
interface. Note: using the fault response “continue without
interruption” may cause permanent damage of the product.
Input Over/Under voltage protection
The input of the product can be protected agains high input
voltage and low input voltage. The over- and under-voltage
fault level and fault response can be configured via the PMBus
interface.
Pre-bias Start-up
The product has a Pre-bias start up functionality and will not
sink current during start up if a pre-bias source is present at
the output terminals.
Synchronization
When the PG SYNC pin is configured as an input (SYNC IN)
the device will automatically check for a clock signal on the
PG SYNC pin each time the module is enabled by RC or via
PMBus. The incoming clock signal must be 100, 125, 140,
150, 200, 250 or 300kHz and must be stable when the module
is enabled. The PG SYNC pin is configured via the PMBus
interface.
Power Good
The PG SYNC pin can be configured as an output (POWER
GOOD). The power good signal (TTL level) indicates proper
operation of the product and can also be used as an error flag
indicator. The PG SYNC pin is configured via the PMBus
interface.
Tracking and External reference
The PG SYNC pin can be configured as an input for voltage
tracking or an external analogue reference.
The PG SYNC pin is configured via the PMBus interface.
Switching frequency adjust using PMBus
The switching frequency is set to140kHz as default but this
can be reconfigured via the PMBus interface. The converter is
optimized at this frequency but can run at lower and higher
frequency. However the output performance is not specified if
the frequency is changed.
E
BMR 453
DC/DC Converters, Input 36-75V, Output 33A/400 W
EN/LZT 146 395 R1C February 2009
Ericsson AB
Technical Specication
14
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