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

Part # MAX745C/D
Description  Switch-Mode Lithium-Ion Battery-Charger
PDF  9 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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(VDCIN = 18V, VBATT = 8.4V, TA = -40°C to +85°C. unless otherwise noted. Limits over temperature are guaranteed by design.)
(VDCIN = 18V, VBATT = 8.4V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
Note 1: When VSETI = 0V, the battery charger turns off.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ERROR AMPLIFIERS
GMV Amplifier Transconductance
800
µA/V
GMI Amplifier Transconductance
200
µA/V
GMV Amplifier Output Current
±130
µA
GMI Amplifier Output Current
±320
µA
CCI Clamp Voltage with Respect to CCV 1.1V < VCCV < 3.5V
25
80
200
mV
CCV Clamp Voltage with Respect to CCI 1.1V < VCCI < 3.5V
25
80
200
mV
CONTROL INPUTS/OUTPUTS
CELL0, CELL1 Input Bias Current
-1
+1
µA
SETI Input Voltage Range
(Note 1)
0
VREF
V
VADJ Adjustment Range
10
%
SETI, VADJ Input Bias Current
-10
+10
nA
VADJ Input Voltage Range
0
VREF
V
THM/SHDN Rising Threshold
2.20
2.3
2.34
V
THM/SHDN Falling Threshold
2.01
2.1
2.19
V
STATUS Output Low Voltage
Charger in current-regulation mode,
STATUS sinking 1mA
0.2
V
STATUS Output Leakage Current
Charger in voltage-regulation mode,
VSTATUS = 5V
1
µA
IBAT Output Current vs.
Current-Sense Voltage
VIBAT = 2V
0.9
µA/mV
IBAT Compliance Voltage Range
0
2
V
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND REFERENCE
VL Output Voltage
6.0V < VDCIN < 24V, no load
5.10
5.70
V
REF Output Voltage
6.0V < VDCIN < 24V
4.14
4.26
V
SWITCHING REGULATOR (Note 1)
Oscillator Frequency
260
340
kHz
DHI On-Resistance
Output high or low
7
Ω
DLO On-Resistance
Output high or low
14
Ω
CS to BATT Full-Scale
Current-Sense Voltage
165
205
mV
Absolute Voltage Accuracy
Not including VADJ resistors
-1.0
+1.0
%
MAX745
Switch-Mode Lithium-Ion
Battery-Charger
www.maximintegrated.com
Maxim Integrated │ 3
Electrical Characteristics
Electrical Characteristics (continued)



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