MAX8731A Maxim Integrated Products, MAX8731A Datasheet - Page 7

• Manufacturer Part Number: MAX8731A
• Description: SMBus Level 2 Battery Charger
• Manufacturer: Maxim Integrated Products

www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS (continued)
(V
C
Figure 1; T
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current Accuracy
Input Current-Limit Gain Error
Input Current-Limit Offset
CSSP/CSSN Input Voltage Range
IINP Transconductance
IINP Offset
IINP Accuracy
IINP Output Voltage Range
SUPPLY AND LINEAR REGULATOR
DCIN, Input Voltage Range
DCIN Undervoltage-Lockout
Trip Point
POWER_FAIL Threshold
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage-Lockout
Threshold
V
V
V
REFERENCE
REF Output Voltage
REF Undervoltage-Lockout
Trip Point
ACOK
ACOK Sink Current
LDO
DCIN
DD
DD
DD
Range
UVLO Rising
Quiescent Current
= 1µF, V
= V
A
PARAMETER
LX
= -40°C to +85°C, unless otherwise noted.) (Note 2)
= V
CC
CSSP
= LDO, C
_______________________________________________________________________________________
= V
CSSN
REF
= 19V, V
= 1µF, C
SMBus Level 2 Battery Charger
V FBS_ = 19V
RS1, Figure 1 = 10mΩ;
InputCurrent() = 11004mA or 3584mA
RS1, Figure 1 = 10mΩ;
InputCurrent() = 2048mA
Based on InputCurrent() = 1024mA and 11004mA
Based on InputCurrent() = 1024mA and 11004mA
V
Based on V
V
V
V
DCIN falling
DCIN rising
V
V
8.0V < V
0 < I
V
DCIN < 6V, V
0 < I
REF falling
V
CSSP - CSSN
CSSP - CSSN
CSSP - CSSN
CSSP - CSSN
CSSP
CSSP
DCIN
ACOK
LDO
REF
BST
DAC
= 8.0V, V
- V
- V
= 0.4V, ACIN = 1.5V
DCIN
- V
< 500µA
< 30mA
= 0.1µF , V
CSIN
CSIN
CSSP - CSSN
LX
DD
= 110mV
= 110mV
= 55mV or 35mV
= 20mV
< 28V, no load
= 4.5V, V
falling
rising
LDO
= 5.5V, SCL = SDA = 5.5V
falling
DD
CONDITIONS
= 110mV and 20mV
FBSA
= 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
= V
FBSB
with Remote Sense
= V
CSIP
= V
CSIN
= 16.8V, BATSEL = GND = PGND = 0,
103.3
4.053
5.25
3.20
MIN
-1.5
160
-10
2.7
8.0
2.7
-6
-5
-5
-1
-5
-4
8
0
7
9
1
TYP
116.6
4.139
MAX
+1.5
26.0
7.85
5.55
5.15
+10
271
100
3.3
3.5
5.5
2.7
3.9
+6
+5
+5
+1
+5
+4
26
21
27
UNITS
mA/V
mV
mV
mV
mV
mV
mA
µA
—
%
%
%
V
V
V
V
V
V
V
V
V
7