DS2712 Maxim Integrated Products, Inc., DS2712 Datasheet - Page 3

• Manufacturer Part Number: DS2712
• Description: Loose Cell Nimh Chargers
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS: TIMING
(4.0V £ V
Input Logic-High,
DMSEL, LED2
Input Logic-Low, DMSEL,
LED2
Input Leakage Current,
DMSEL
Threshold Voltage, Cell
Test
Threshold Voltage, Cell
Voltage Low
Threshold Voltage, Cell
Voltage Max1
Threshold Voltage, Cell
Voltage Max2
Threshold Voltage Delta
Threshold Voltage,
Thermistor - Min
Threshold Voltage,
Thermistor - Max
Threshold Voltage,
Thermistor - Stop
Threshold Current, TMR
Pin Suspend
Presence Test Current,
VP1, VP2
Reverse Leakage
Current, VP1, VP2
Current-Sense Reference
Voltage
Gain, Current-Sense
Error Amp
Gain, Current-Sense
Comparator
Propagation Time,
Current-Sense
Comparator
Hysteresis, Current-
Sense Comparator
Internal Timebase Period
Internal Timebase
Accuracy
Duty Factor, Series Fast
Charge
Duty Factor, Series
Precharge/Top-Off
Duty Factor, Parallel Fast
Charge
PARAMETER
PARAMETER
DD
£ 5.5V, T
A
= -20°C to +70°C, unless otherwise noted.)
SYMBOL
SYMBOL
V
V
V
V
V
V
V
V
I
HYS-COMP
THM-STOP
BAT-MAX∆
TMR-SUS
BAT-MAX1
BAT-MAX2
V
BAT-LOW
THM-MAX
THM-MIN
V
I
I
t
t
LKGR
PTST
PDLY
BASE
V
G
G
V
I
CTST
IREF
IL1
IH
IL
M
M
(Note 1)
(Note 1)
After power-up mode
select,
DMSEL = V
R
CC1 = CC2 = high-Z
(Note 4)
CC1 = CC2 = high-Z
(Note 4)
CC1, CC2 active
(Note 4)
V
(Note 5)
(Notes 1, 4, 6)
(Notes 1, 4, 6)
(Notes 1, 4, 6)
Parallel: V
Series: V
V
VP2 = 3.0V
(Note 1, 4, 7)
DS2711 (Note 8)
DS2712 (Note 8)
DS2712, 2mV
over/underdrive
DS2712
CC1
CC1
CC1, CC2
BAT-MAX2
DD
CTST
= 0V, VP1 = 1.5V,
= 80kW
CONDITIONS
CONDITIONS
DD
- V
DD
3 of 14
DD
≥ 4.5V
BAT-MAX1
≥ 4.0V,
or V
SS
V
1.55
1.64
MIN
0.2V
MIN
0.30
-6%
0.9
0.9
-10
85
10
22
90
-1
DD
-
0.969
0.250
0.484
V
TYP
1.65
1.75
V
V
0.29
TYP
0.96
100
100
125
0.73
0.33
1.0
0.1
10
24
DD
DD
DD
x
x
x
MAX
MAX
+6%
1.75
1.86
0.25
110
115
0.36
+10
0.2
1.1
0.5
1.5
+1
15
26
2
UNITS
UNITS
mV
mV
mV
mV
W
W
mA
mA
mA
mA
ms
%
%
V
V
V
V
V
V
V
V
s
-1
-1