Datasheet > BCM4414BG0F4440T02

BCM4414BG0F4440T02

更新时间： 2022-02-26 10:44:11

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描述
Isolated Fixed-Ratio DC-DC Converter

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Electrical Speciﬁcations (Cont.)

Speciﬁcations apply over all line and load conditions, unless otherwise noted; boldface speciﬁcations apply over the temperature range of

–40°C ≤ T_CASE≤ 100°C (T-Grade); all other speciﬁcations are at T_CASE= 25ºC unless otherwise noted.

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

General Powertrain Speciﬁcation – Forward Direction Operation (High Voltage Side to Low Voltage Side) Cont.

Effective HI Side Capacitance

(Internal)

C_{HI_INT}

C_{LO_INT}

Effective value at 544V_{HI_DC}

Effective value at 34V_{LO_DC}

0.2

µF

Effective LO Side Capacitance

(Internal)

Excessive capacitance may drive module into short

circuit protection

Rated LO Side Capacitance (External) C_{LO_OUT_EXT}

470

Rated LO Side Capacitance (External),

C_{LO_OUT_AEXT}

C_{LO_OUT_AEXT}Max = N • 0.5 • C_{LO_OUT_EXT MAX}, where

N = the number of units in parallel

Parallel Array Operation

Powertrain Hardware Protection Speciﬁcation – Forward Direction Operation (High Voltage Side to Low Voltage Side)

• These built-in powertrain protections are ﬁxed in hardware and cannot be conﬁgured through PMBus™.

• When duplicated in supervisory limits, hardware protections serve a secondary role and become active when supervisory limits are

disabled through PMBus.

Start up into a persistent fault condition. Non-latching

fault detection given V_{HI_DC}> V_{HI_UVLO+}

Auto Restart Time

t_{AUTO_RESTART}

V_{HI_OVLO+}

V_{HI_OVLO–}

900

730

700

1000

750

730

1100

780

HI Side Overvoltage

Lockout Threshold

HI Side Overvoltage

Recovery Threshold

740

HI Side Overvoltage

Lockout Hysteresis

V_{HI_OVLO_HYST}

t_{HI_OVLO}

HI Side Overvoltage

Lockout Response Time

µs

From powertrain active. Fast current limit protection

disabled during soft start

HI Side Soft Start Time

t_{HI_SOFT_START}

I_{LO_OUT_OCP}

t_{LO_OUT_OCP}

I_{LO_OUT_SCP}

t_{LO_OUT_SCP}

t_OTP+

LO Side Overcurrent Trip Threshold

LO Side Overcurrent

Response Time Constant

Effective internal RC ﬁlter

3.6

LO Side Short Circuit

Protection Trip Threshold

LO Side Short Circuit

Protection Response Time

µs

°C

Overtemperature

Shutdown Threshold

Internal

125

BCM^®in a VIA™ Package

Page 7 of 43

Rev 1.2

01/2018

1...4 5 678 9 10...43

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