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MAX1908 数据表(PDF) 3 Page - Maxim Integrated Products

部件名 MAX1908
功能描述  Low-Cost Multichemistry Battery Chargers
PDF  30 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX1908 数据表(HTML) 3 Page - Maxim Integrated Products

  MAX1908 Datasheet HTML 1Page - Maxim Integrated Products MAX1908 Datasheet HTML 2Page - Maxim Integrated Products MAX1908 Datasheet HTML 3Page - Maxim Integrated Products MAX1908 Datasheet HTML 4Page - Maxim Integrated Products MAX1908 Datasheet HTML 5Page - Maxim Integrated Products MAX1908 Datasheet HTML 6Page - Maxim Integrated Products MAX1908 Datasheet HTML 7Page - Maxim Integrated Products MAX1908 Datasheet HTML 8Page - Maxim Integrated Products MAX1908 Datasheet HTML 9Page - Maxim Integrated Products Next Button
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Low-Cost Multichemistry Battery Chargers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDCIN = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VREFIN = 3V, VVCTL = VICTL = 0.75 x VREFIN, CELLS = open, CLS =
REF, VBST - VLX = 4.5V, ACIN = GND = PGND = 0, CLDO = 1µF, LDO = DLOV, CREF = 1µF; CCI, CCS, and CCV are compensated
per Figure 1a; TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VDCIN = 0V or VICTL = 0V or V SHDN = 0V
1
CSIP/CSIN Input Current
Charging
400
650
µA
Cycle-by-Cycle Maximum Current
Limit
RS2 = 0.015m
Ω
6.0
6.8
7.5
A
ICTL Power-Down Mode
Threshold Voltage
(MAX1908/MAX8724 Only)
VVCTL rising
REFIN/
100
REFIN/
55
REFIN/
33
V
VVCTL = VICTL = 0 or 3V
-1
+1
ICTL, VCTL Input Bias Current
VDCIN = 0V, VVCTL = VICTL = VREFIN = 5V
-1
+1
µA
VDCIN = 5V, VREFIN = 3V
-1
+1
REFIN Input Bias Current
VREFIN = 5V
-1
+1
µA
ICHG Transconductance
(MAX1908/MAX8724 Only)
GICHG
VCSIP - VCSIN = 45mV
2.7
3
3.3
µA/mV
ICHG Transconductance
(MAX8765/MAX8765A Only)
GICHG
VCSIP - VCSIN = 45mV
2.85
3
3.15
µA/mV
ICHG Transconductance Error
(MAX8765/MAX8765A Only)
-5
+5
%
ICHG Transconductance Offset
(MAX8765/MAX8765A Only)
-5
+5
µA
VCSIP - VCSIN = 75mV
-6
+6
VCSIP - VCSIN = 45mV
-5
+5
ICHG Accuracy
VCSIP - VCSIN = 5mV
-40
+40
%
ICHG Output Current
VCSIP - VCSIN = 150mV, VICHG = 0V
350
µA
ICHG Output Voltage
VCSIP - VCSIN = 150mV, ICHG = open
3.5
V
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
72
75
78
mV
VCLS = VREF
-4
+4
VCLS = VREF/2
-7.5
+7.5
Input Current-Limit Accuracy
VCLS = 1.1V (MAX8765/MAX8765A only)
-10
+10
%
Input Current-Limit Gain Error
(MAX8765/MAX8765A Only)
-2
+2
%
Input Current-Limit Offset
(MAX8765/MAX8765A Only)
-2
+2
mV
CSSP, CSSN Input Voltage
Range
8
28
V
VDCIN = 0V
0.1
1
CSSP, CSSN Input Current
(MAX1908/MAX8724 Only)
VCSSP = VCSSN = VDCIN > 8V
350
600
µA
VDCIN = 0V
0.1
1
CSSP Input Current
(MAX8765/MAX8765A Only)
VCSSP = VCSSN = 28V
VDCIN = 28V
400
650
µA



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