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MP3430 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP3430
Description  90V Step-Up Converter with APD Current Monitor
PDF  15 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3430 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP3430 — 90V STEP-UP CONVERTER WITH APD CURRENT MONITOR
MP3430 Rev 1.11
www.MonolithicPower.com
3
4/25/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (5)
Parameters
Symbol
Condition
Min
Typ
Max
Units
Minimum Operating Voltage
VIN MIN
2.7
V
Maximum Operating Voltage
VIN MAX
5.5
V
Under-Voltage Lockout
Threshold
VUVLO
2.4
2.6
2.7
V
Under-Voltage Lockout
Hysteresis
VUVLOH
185
mV
EN Threshold
EN Rising
0.8
1.6
V
EN Hysteresis
150
mV
Feedback Voltage
VFB
0.77
0.8
0.824
V
Feedback Line Regulator
RFBL
0.043
0.12
%/V
FB-Pin Bias Current
IFBB
VFB=0.8V
30
100
nA
FB=1V, Not switching
0.3
1.0
mA
Supply Current
IS
VEN=0
0.1
0.5
μA
Switching Frequency
fS
1.0
1.3
1.55
MHz
Maximum Duty Cycle
DMAX
76
97
%
Switch Current Limit
ISLMT
0.6
0.9
1.3
A
Switch RDSon
VCESAT
ISW=150mA
0.58
0.98
1.3
Ω
Switch Leakage Current
ISL
SW=90V, EN=0
1.0
μA
EN Pin Pull-Down Current
IENP
EN=0V
0.2
μA
IAPD=250nA
10V≤MONIN≤90V
0.09
0.10
0.11
APD-Current–Monitor Output1
Gain
GCM1
IAPD=2.5mA
10V≤MONIN≤90V
0.095
0.10
0.105
mA/mA
IAPD=250nA,
10V≤MONIN≤90V
0.45
0.5
0.55
APD;Current–Monitor Output2
Gain
GCM2
IAPD=2.5mA,
10V≤MONIN≤90V
0.475
0.5
0.53
mA/mA
Monitor-Output1–Voltage Clamp
VMOC
250nA<IAPD<2.5mA
2.2
3.5
V
Monitor-Output2–Voltage Clamp
VMOC
250nA<IAPD<2.5mA
2.2
3.5
V
APD-Monitor–Voltage Drop
VADP
MONIN
–
ADP
at
IAPD=1mA, MONIN=40V
1.0
1.32
2.0
V
tdelay1
10μA to 1mA step APD
current input
50
ns
APD-Monitor-Current–Response
Speed
tdelay2
250nA to 10μA step APD
current input
7
μs
APD-Pin Current Limit
IMONINLMT
APD=0V,
MONIN=40V,
RLIM=16.9kΩ
2.5
4.3
mA
RLIM=27.2kΩ,,
MONIN=10V,
2.25
3
RLIM=137kΩ ,MONIN=10V
0.375
0.625
mA
RLIM=27.2kΩ,,
MONIN=90V,
1.85
3
mA
APD Current-Limit–Adjustment
Range
RLIM=137kΩ ,MONIN=90V
0.36
0.72
mA
Thermal Shutdown
160
°C
Thermal Shutdown Hysteresis
10
°C
Notes:
5) The * denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA =+25°C.
VIN=3.3V, VEN=3.3V unless otherwise noted.



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