MAX8730 Просмотр технического описания (PDF) - Maxim Integrated
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MAX8730 Datasheet PDF : 29 Pages
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Low-Cost Battery Charger
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. VSRC = VASNS = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VVCTL = VICTL = 1.8V, MODE = float,
ACIN = 0, CLS = REF, REFON = LDO, INPON = LDO, RELTH = 2V. TA = 0°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
PDS Turn-On Current
PDL Turn-On Resistance
PDS/PDL Delay Time
SYMBOL
PDS = SRC
PDL = GND
CONDITIONS
MIN TYP MAX UNITS
6
12
mA
50
100
200
kΩ
5.0
µs
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1. VSRC = VASNS = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VVCTL = VICTL = 1.8V, MODE = float,
ACIN = 0, CLS = REF, REFON = LDO, INPON = LDO, RELTH = 2V. TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL
CHARGE-VOLTAGE REGULATION
VCTL Range
Battery-Regulation-Voltage
Accuracy
VVCTL Default Threshold
VCTL Input Bias Current
CHARGE-CURRENT REGULATION
ICTL Range
CONDITIONS
VVCTL = 3.6V
or 0V
Not including resistor
tolerances
Including 1% resistor
tolerances
VVCTL = VLDO (3 or 4 cells)
VVCTL rising
SRC = BATT, ASNS = GND INPON =
REFON = 0, VVCTL = 5V
Full-Charge-Current Accuracy
(CSIP to CSIN)
VICTL = 3.6V
VICTL = 2.0V
Trickle-Charge-Current Accuracy
Charge-Current Gain Error
Charge-Current Offset Error
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
ICTL Power-Down Mode
Threshold
VICTL = 120mV
Based on VICTL = 3.6V and VICTL = 0.12V
Based on VICTL = 3.6V and VICTL = 0.12V
Charging enabled
Charging disabled, SRC = BATT,
ASNS = GND, or VICTL = 0V
ICTL falling
ICTL rising
MIN TYP MAX UNITS
0
-1.2
-1.25
-0.8
4.4
0
3.6
V
+1.2
%
+1.25
+0.8
V
16
µA
0
128.25
-5
70
-6.7
2
-1.9
-2
0
50
70
3.6
V
141.75 mV
+5
%
80
mV
+6.7
%
10
mV
+1.9
%
+2
mV
19
V
1000
µA
16
80
mV
110
6 _______________________________________________________________________________________
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