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MP2678 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2678
Description  Li-Ion Battery Charger Protection Circuit With LDO Mode
PDF  11 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2678 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2678 – LI+ BATTERY CHARGER PROTECTION CIRCUIT WITH LDO MODE
MP2678 Rev. 1.0
www.MonolithicPower.com
3
1/6/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN=5.5V, TJ= -20ºC to 125ºC, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Power-On Reset
Output Voltage
VOUT
5.5V<VIN<VOVP, IOUT=1mA
4.6
5
5.4
V
Rising VIN Threshold
V
POR
2.4
2.8
V
POR Hysteresis
150
mV
Supply Current
IIN
CE
is Low, VIN=5V, No Load
600
µA
CE
is high, VIN=5.5V
100
µA
Input Power On Blanking Time
TREC(Vout) VIN Rising to OUT Rising
8
ms
Protection
Input
Over-voltage
Protection
(OVP)
VOVP
MP2678EG-104
9.9
10.4
10.8
V
Input OVP Hysteresis
150
mV
Input OVP Propagation Delay
(6)
1
µs
Input OVP Recovery Time
TREC(OVP)
8
ms
Over-current Protection
IOCP
3V<VIN<VOVP
1.2
1.5
1.7
A
OCP Blanking Time
BTOCP
170
µs
OCP Recovery Time
TREC(OCP)
50
ms
Battery Over-voltage Protection
Threshold
VBOVP
4.23
4.35
4.5
V
Battery OVP Hysteresis
150
mV
Battery OVP Blanking Time
BTBOVP
176
µs
VB Pin Leakage Current
TJ=25ºC
100
nA
Over
Temperature
Protection
Rising Threshold
140
150
°C
Over
Temperature
Protection
Falling Threshold
20
°C
Logic
FLT
Output Logic Low
Sink 5mA current
0.2
V
FLT
Output Logic High Leakage
Current
10
µA
CE
Logic Low Threshold
VIH
0.4
V
CE
Logic High Threshold
VIL
1.5
V
Input to Output Characteristic
Dropout Voltage
VDO
VIN= VOUT(NOM) - 0.1V,
IOUT=1A
330
mV
Q1 Off-state Leakage Current
IOFF
CE
is high, VIN=5.5V
10
µA
6)
Guarantee by design



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