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MAX745C/D Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX745C/D
Description  Switch-Mode Lithium-Ion Battery-Charger
PDF  8 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX745C/D Datasheet(HTML) 3 Page - Maxim Integrated Products

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_______________________________________________________________________________________
3
Switch-Mode Lithium-Ion
Battery Charger
Note 1: When VSETI = 0V, the battery charger turns off.
ELECTRICAL CHARACTERISTICS (continued)
(VDCIN = 18V, VBATT = 8.4V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS
(VDCIN = 18V, VBATT = 8.4V, TA = -40°C to +85°C, unless otherwise noted. Limits over temperature are guaranteed by design.)
6.0V < VDCIN < 24V
6.0V < VDCIN < 24V, no load
Output high or low
Output high or low
CONDITIONS
mV
165
205
CS to BATT Full-Scale
Current-Sense Voltage
Not including VADJ resistors
%
-1.0
1.0
Absolute Voltage Accuracy
V
4.14
4.26
REF Output Voltage
V
5.10
5.70
VL Output Voltage
Ω
14
DLO On-Resistance
Ω
7
DHI On-Resistance
kHz
260
340
Oscillator Frequency
UNITS
MIN
TYP
MAX
PARAMETER
IBAT Compliance Voltage Range
02
V
VIBAT = 2V
IBAT Output Current vs.
Current-Sense Voltage
0.9
µA/mV
Charger in voltage-regulation mode,
VSTATUS = 5V
STATUS Output Leakage Current
1
µA
Charger in current-regulation mode,
STATUS sinking 1mA
STATUS Output Low Voltage
0.2
V
THM/SHDN Falling Threshold
2.01
2.1
2.19
V
THM/SHDN Rising Threshold
2.20
2.3
2.34
V
1.1V < VCCI < 3.5V
CCV Clamp Voltage with Respect to CCI
PARAMETER
MIN
TYP
MAX
UNITS
GMV Amplifier Output Current
±130
µA
GMI Amplifier Transconductance
200
µA/V
GMI Amplifier Output Current
±320
µA
CCI Clamp Voltage with Respect to CCV
25
80
200
mV
25
80
200
mV
CELL0, CELL1 Input Bias Current
-1
1
µA
SETI Input Voltage Range (Note 1)
0VREF
V
SETI, VADJ Input Bias Current
-10
10
nA
VADJ Adjustment Range
10
%
CONDITIONS
VADJ Input Voltage Range
0
VREF
1.1V < VCCV < 3.5V
V
SWITCHING REGULATOR (Note 1)
SUPPLY AND REFERENCE
GMV Amplifier Transconductance
800
µA/V
CONTROL INPUTS/OUTPUTS
ERROR AMPLIFIERS



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