MAX8724 Maxim Integrated Products, MAX8724 Datasheet - Page 4

• 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
4
CSSN Input Current
(MAX8765 Only)
CLS Input Range
(MAX1908/MAX8724 Only)
CLS Input Range
(MAX8765 Only)
CLS Input Bias Current
IINP Transconductance
(MAX1908/MAX8724 Only)
IINP Accuracy
IINP Transconductance
(MAX8765 Only)
IINP Transconductance Error
(MAX8765 Only)
IINP Transconductance Offset
(MAX8765 Only)
IINP Output Current
IINP Output Voltage
SUPPLY AND LDO REGULATOR
DCIN Input Voltage Range
DCIN Undervoltage-Lockout Trip
Point
DCIN Quiescent Current
BATT Input Current
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage-Lockout Trip
Point
REFERENCE
REF Output Voltage
REF Undervoltage-Lockout Trip
Point
DCIN
_______________________________________________________________________________________
BST
= V
CSSP
- V
PARAMETER
LX
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= 0°C to +85°C, unless otherwise noted. Typical values are at T
CSSN
= 18V, V
BATT
SYMBOL
V
G
G
I
I
DCIN
BATT
= V
DCIN
IINP
IINP
CSIP
V
V
V
V
V
V
V
V
V
V
8.0V < V
V
V
8V < V
0 < I
V
0 < I
V
= V
CSSP
CLS
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
DCIN
DCIN
BATT
BATT
DCIN
REF
CSIN
LDO
REF
= 2V
falling
LDO
- V
- V
- V
falling
rising
= 19V, V
= 2V to 19V, V
DCIN
= 8V
= V
- V
- V
- V
DCIN
< 500µA
= 12V, V
< 10mA
CSSN
CSSN
CSSN
CCSN
CSSN
CSSN
CSSN
= 1µF, LDO = DLOV, C
< 28V, no load
< 28V
= 75mV
= 75mV
= 37.5mV
DCIN
= 150mV, V
= 150mV, V
= 75mV
CONDITIONS
= 28V
REFIN
= 0
DCIN
= 3V, V
= 19.3V
IINP
IINP
V
V
= float
DCIN
DCIN
= 0
VCTL
A
REF
= +25°C.)
= 0
= 28V
= V
= 1µF; CCI, CCS, and CCV are compensated
ICTL
= 0.75 x V
4.072
5.25
3.20
MIN
2.82
-7.5
350
1.6
1.1
2.7
-10
3.5
-1
-5
-6
8
7
REFIN
4.096
TYP
200
0.1
0.1
7.4
7.5
3.2
5.4
3.1
34
3
4
3
, CELLS = float, CLS =
4.120
MAX
+7.5
3.18
7.85
5.55
5.15
REF
REF
+10
500
100
3.3
3.9
+1
+5
+6
28
1
1
6
1
UNITS
µA/mV
µA/mV
mA
mV
µA
µA
µA
µA
µA
%
%
V
V
V
V
V
V
V
V
V