MAX8724 Maxim Integrated Products, MAX8724 Datasheet - Page 8

• Manufacturer Part Number: MAX8724
• Description: (MAX1908 - MAX87xx) Low-Cost Multichemistry Battery Chargers
• Manufacturer: Maxim Integrated Products

Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS (continued)
(V
REF, V
per Figure 1a; T
8
ICHG Accuracy
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current-Limit Accuracy
Input Current-Limit Gain Error
(MAX8765 Only)
Input Current-Limit Offset
(MAX8765 Only)
CSSP, CSSN Input Voltage
Range
CSSP, CSSN Input Current
(MAX1908/MAX8724 Only)
CSSP Input Current
(MAX8765 Only)
CSSN Input Current
(MAX8765 Only)
CLS Input Range
(MAX1908/MAX8724 Only)
CLS Input Range
(MAX8765 Only)
IINP Transconductance
(MAX1908/MAX8724 Only)
IINP Transconductance
(MAX8765 Only)
IINP Transconductance Error
(MAX8765 Only)
IINP Transconductance Offset
(MAX8765 Only)
IINP Accuracy
DCIN
_______________________________________________________________________________________
BST
= V
PARAMETER
CSSP
- V
LX
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= -40°C to +85°C, unless otherwise noted.) (Note 2)
CSSN
= 18V, V
BATT
SYMBOL
G
G
= V
IINP
IINP
CSIP
= V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CSIP
CSIP
CSIP
CLS
CLS
CLS
DCIN
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
CSIN
= V
= V
= 1.1V (MAX8765 only)
LDO
- V
- V
- V
= 0
- V
- V
- V
= V
= V
= V
- V
= 12V, V
CSIN
CSIN
CSIN
REF
REF
CSSN
CCSN
CSSN
CSSN
CSSN
CSSN
CSSN
= 1µF, LDO = DLOV, C
/ 2
= 75mV
= 45mV
= 5mV
= 75mV
= 75mV
= 37.5mV
= 75mV
CONDITIONS
= V
= 28V
= 28V
REFIN
DCIN
= 3V, V
> 8V
V
V
V
V
VCTL
DCIN
DCIN
DCIN
DCIN
REF
= V
= 0V
= 28V
= 0V
= 28V
= 1µF; CCI, CCS, and CCV are compensated
ICTL
= 0.75 x V
71.25
2.785
MIN
-7.5
-7.5
-7.5
-7.5
-7.5
-7.5
-40
-10
-12
1.6
1.1
2.7
-5
-2
-2
8
REFIN
TYP
, CELLS = FLOAT, CLS =
78.75
3.225
MAX
+7.5
+7.5
+7.5
+7.5
+7.5
+7.5
+40
+10
REF
REF
+12
600
650
3.3
+5
+2
+2
28
1
1
1
1
UNITS
µA/mV
µA/mV
mV
mV
µA
µA
µA
µA
%
%
%
%
%
V
V
V