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MP8868GLE Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MP8868GLE
Description  High-Efficiency, 10A, 17V, Synchronous Step-Down Converter with I2C Interface
PDF  27 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8868GLE Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP8868 – SYNCHRONOUS STEP-DOWN CONVERTER
MP8868 Rev.1.1
www.MonolithicPower.com
4
5/15/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = -40°C to 125°C
(7), unless otherwise noted, typical value is based on average value
when TJ=25
oC.
Parameter
Symbol Condition
Min
Typ
Max
Units
Supply Current (Shutdown)
IIN
VEN = 0V
9
13
μA
Supply Current (Quiescent)
Iq
VEN = 2V, No Switching,
PFM mode
560
800
μA
HS Switch-On Resistance
HSRDS-ON VBST-SW = 5V
26
mΩ
LS Switch-On Resistance
LSRDS-ON VCC = 5V
11
mΩ
Switch Leakage
SWLKG
VEN = 0V, VSW =12V or
0V, TJ = 25°C
1
μA
High Side Current Limit
(8)
ILIMIT_H
Under
40%
Duty
Cycle
11.7
14
A
TJ = 25°C
400
570
Oscillator Frequency
fSW
TJ = -40°C to 125°C
350
500
600
kHz
Fold-Back Frequency
fVOUT
VFB = 150mV
0.5
fSW
SYNC Frequency Range
fSYNC
200
2000
kHz
Maximum Duty Cycle
DMAX
VFB
=
500mV,
fs=500kHz
93
95
%
Minimum On Time
(8)
tON_MIN
40
ns
TJ = 25°C
594
606
FB Voltage
VFB
TJ = -40°C to 85°C
(8)
588
600
612
mV
VOUT=1.2V TJ = 25°C
1188
1212
VOUT
VOUT=1.2V TJ = -40°C to 85°C
(8)
1182
1200
1218
mV
FB pin Current
IFB
VFB = 620mV
10
50
nA
A0 pin High Level
VADD_H
2
V
A0 pin Low Level
VADD_L
0.4
V
VEN = 0V, TJ = 25°C
4.3
7.5
EN Pull-up Current
IEN_PU
VEN= 0V,
TJ= -40°C to 125°C
3.2
6.2
8
μA
TJ = 25°C
1.28
1.5
EN Rising Threshold
VEN_Rise
TJ = -40°C to 125°C
1.26
1.4
1.52
V
TJ = 25°C
120
220
EN Hysteresis
VEN_HYS
TJ = -40°C to 125°C
100
170
240
mV
EN Turn Off Delay
ENtd-off
10
μs
TJ = 25°C
4.04
4.36
VIN
Under-Voltage
Lockout
Threshold-Rising
INUVVth
TJ = -40°C to 125°C
4.02
4.2
4.38
V
VIN
Under-Voltage
Lockout
Threshold-Hysteresis
INUVHYS
560
660
740
mV
TJ = 25°C
0.85
0.94
Power Good UV Threshold
Rising
PGVth-Hi
TJ = -40°C to 125°C
0.84
0.9
0.95
VOUT
TJ = 25°C
0.64
0.73
Power Good UV Threshold
Falling
PGVth-Lo
TJ = -40°C to 125°C
0.63
0.7
0.74
VOUT



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