Flex BMR464, Manual

Page: 42 / 77

ERICSSON INTERNAL
PRODUCT SPECIFICATION 3 (10)
Prepared (Subject resp) No.
JIDDASUN Dan Sun 2/1301-BMR 464 2012 Uen
Approved (Document resp) Checked Date Rev
JIDDASUN Dan Sun 1/7/2019 C
V
tr1
Load transient
peak voltage
deviation
(L to H/H to L)
Load step
20-60-20% of
max I
O
Default configuration
di/dt = 2 A/μs
C
O
= 470
μ
F (minimum
external capacitance)
see Note 12
V
O
= 1.0 V 127 / 298
mV
V
O
= 3.3 V 210 / 327
t
tr1
Load transient
recovery time,
Note 5
(L to H/H to L)
Load step
20-60-20% of
max I
O
Default configuration
di/dt = 2 A/μs
C
O
= 470
μ
F (minimum
external capacitance)
see Note 12
V
O
= 1.0 V 100 / 100
μs
V
O
= 3.3 V 100 / 100
f
s
Switching frequency 320 kHz
Switching frequency range, see Note 19 PMBus configurable 200-640 kHz
Switching frequency set-point accuracy -5 5 %
Control Circuit PWM Duty Cycle 5 95 %
Minimum Sync Pulse Width 150 ns
Input Clock Frequency Drift Tolerance External clock source -13 13 %
Input Under Voltage
Lockout,
UVLO
UVLO threshold 3.85 V
UVLO threshold range PMBus configurable 3.85-14 V
Set point accuracy -150 150 mV
UVLO hysteresis 0.35 V
UVLO hysteresis range PMBus configurable 0-10.15 V
Delay 2.5 μs
Fault response See Note 3 Automatic restart, 70 ms
Input Over Voltage
Protection,
IOVP
IOVP threshold 16 V
IOVP threshold range PMBus configurable 4.2-16 V
Set point accuracy -150 150 mV
IOVP hysteresis 1 V
IOVP hysteresis range PMBus configurable 0-11.8 V
Delay 2.5 μs
Fault response See Note 3 Automatic restart, 70 ms
Power Good, PG,
See Note 2
PG threshold PMBus configurable 90 % V
O
PG hysteresis 5 % V
O
PG delay PMBus configurable 10 s
PG delay range PMBus configurable 0-500 s
Output voltage
Over/Under Voltage
Protection,
OVP/UVP
UVP threshold 85 % V
O
UVP threshold range PMBus configurable 0-100 % V
O
UVP hysteresis 5 % V
O
OVP threshold 115 % V
O
OVP threshold range PMBus configurable 100-115 % V
O
UVP/OVP
response time
25 μs
UVP/OVP
response time range
PMBus configurable 5-60 μs
Fault response See Note 3 Automatic restart, 70 ms
Over Current
Protection,
OCP
OCP threshold 62 A
OCP threshold range PMBus configurable 0-62 A
Protection delay, See Note 4 32 T
sw
Protection delay range PMBus configurable 1-32 T
sw
Fault response See Note 3 Automatic restart, 70 ms
Over Temperature
Protection,
OTP at P2
See Note 8
OTP threshold 120
 C
OTP threshold range PMBus configurable -40…+125

C
OTP hysteresis 25  C
OTP hysteresis range PMBus configurable 0-165

C
Fault response See Note 3 Automatic restart, 240 ms
BMR4 6 series
PoL Regulators
Input 4.5-14 V, Output up to 50 A / 165 W
1/28701-BMR 464 Rev.B July 2019
© Flex
Technical Specification
BMR4 6 series
PoL Regulators
Input
4.5-14
V, Output up to
50
A /
165
W
1/28701-BMR 464 Rev.B July 2019
©
Flex
Technical Specification 42