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ISL6294A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High Input Voltage Charger - Renesas

भाग संख्या ISL6294A
समारोह High Input Voltage Charger
मैन्युफैक्चरर्स Renesas 
लोगो Renesas लोगो 
पूर्व दर्शन
1 Page
		
<?=ISL6294A?> डेटा पत्रक पीडीएफ

ISL6294A pdf
ISL6294A
Absolute Maximum Ratings (Reference to GND)
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 30V
IMIN, IREF, BAT, CHG, EN, PPR . . . . . . . . . . . . . . . . . . . -0.3V to 7V
Recommended Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
Maximum Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . . . . . . . 28V
Operating Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . 4.5V to 6.5V
Programmed Charge Current . . . . . . . . . . . . . . . . 100mA to 900mA
Thermal Information
Thermal Resistance
JA (°C/W) JC (°C/W)
DFN Package (Notes 1, 2) . . . . . . . . . .
59
4.5
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
1. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For JC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications Typical Values Are Tested at VIN = 5V and the TA at +25°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
POWER-ON RESET
Rising POR Threshold
Falling POR Threshold
VIN-BAT OFFSET VOLTAGE
VPOR
VPOR
VBAT = 3.0V, use PPR to indicate the
comparator output.
3.3 3.9 4.3
2.7 3.4 3.6
V
V
Rising Edge
Falling Edge
OVERVOLTAGE PROTECTION
VOS
VOS
VBAT = 4.0V, use CHG pin to indicate the
comparator output (Note 3)
- 90 150 mV
10 50
- mV
Overvoltage Protection Threshold
OVP Threshold Hysteresis
VOVP
(Note 4)
Use PPR to indicate the comparator output
6.9 7.3 7.7
V
100 240 400 mV
STANDBY CURRENT
BAT Pin Sink Current
VIN Pin Supply Current
VIN Pin Supply Current
VOLTAGE REGULATION
ISTANDBY
IVIN
IVIN
Charger disabled or the input is floating
VBAT = 4.2V
Charger disabled
Charger enabled
- - 1.0 µA
-
350 600
µA
-
500 800
µA
Output Voltage
PMOS ON-Resistance
CHARGE CURRENT (Note 5)
VCH
rDS(ON)
Charge current = 20mA
VIN = 4.1V, charge current = 0.3A
4.158 4.20 4.242
- 0.6 -
V
IREF Pin Output Voltage
Constant Charge Current
Trickle Charge Current
End-of-Charge Current
EOC Rising Threshold
IIREF
ICHG
ITRK
IMIN
PRECONDITIONING CHARGE THRESHOLD
VBAT = 3.8V
VIN = 5V, RIREF = 24.3k, VBAT = 2.8V to 4.0V
VIN = 5V, RIREF = 24.3k, VBAT = 2.4V
VIN = 5V, RIMIN = 243k
VIN = 5V, RIMIN = 243k
1.18
450
70
33
325
1.22
500
95
45
380
1.26
550
130
57
415
V
mA
mA
mA
mA
Preconditioning Charge Threshold Voltage VMIN
Preconditioning Voltage Hysteresis
VMINHYS
INTERNAL TEMPERATURE MONITORING
2.45 2.55 2.65
- 250 -
V
mV
Charge Current Foldback Threshold
(Note 6)
TFOLD
100 115 130
°C
FN6821 Rev.2.00
December 11, 2008
Page 2 of 8

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