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MPX2003 Datasheet(PDF) 8 Page - Monolithic Power Systems

Part # MPX2003
Description  Up to 140kHz All-in-One Flyback Controller with Integrated Primary Control Circuitry and Secondary Synchronous Rectification Driver
PDF  37 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPX2003 Datasheet(HTML) 8 Page - Monolithic Power Systems

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MPX2003
– UP TO 140kHz ALL-IN-ONE FLYBACK CONTROLLER
MPX2003 Rev. 1.0
MonolithicPower.com
8
8/5/2022
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2022 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
Typical values tested at TJ = -40°C to +125°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Primary Side
– Internal Thermal Protection
OTP threshold (5)
TOTP-P
150
°C
Hysteresis to recover from
OTP (5)
TΔ-P
40
°C
Secondary Side (VDD)
Operating current
IOPS
VDD = 5V, fSW = 140kHz,
CL = 4.7nF
7.5
mA
VDD = 12V, fSW = 140kHz,
CL = 4.7nF
10
Quiescent current
IQS
VDD = 5V
370
µA
UVLO falling threshold
VDD-OFF
4.0
4.25
4.5
V
UVLO rising threshold
VDD-ON
4.3
4.5
4.7
V
UVLO hysteresis
VDD-∆
0.3
V
Bleeding current during
protection
IBLD
10
mA
VDD ready threshold
VDD-RDY
4.72
4.92
5.12
V
VDD clamp level when
charged by SRD
VDD-C
4.3
4.5
4.7
V
Secondary Side (FB)
Feedback reference voltage
VREF
TJ = 25°C
1.21
1.22
1.23
V
Feedback current
IFB
VFB = 1.22V, TJ = 25°C
50
nA
FBOLP threshold
VFBO
VDD > VDD-RDY
0.075
0.095
0.115
V
FBOLP delay time
tFBO
200
µs
OVP threshold
VOVP
113%
118%
123%
VREF
OVP delay time
tOVP-D
115
µs
Secondary Side (SRD)
Turn-on threshold
VSR-ON
-105
-90
-75
mV
Regulated forward voltage
VFWD
8
20
32
mV
Turn-off threshold
VSR-OFF
-9
0
9
mV
Turn-off threshold in tON-MIN
VSR-OFFM
1.6
V
Input current at SRD pin
ISRD-L
VSRD = 30V
15
µA
Maximum charging current
to VDD
ISRD-C
VSRD=30V, VDD = 0V
50
mA
VSRD = 30V, VDD = VDD-ON - 0.5V
75
Threshold for driver open
detection
VSGO
TJ = 25°C
-0.52
-0.47
-0.42
V
Minimal time for driver open
detection
tSGO
DCM
0.5
µs
Secondary Side (SDRV)
Blanking for turn-on
detection
tSR-ONB
270
400
570
ns
Turn-on delay
tSR-OND
CL = 4.7nF
150
ns



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