ISL95871C Ver la hoja de datos (PDF) - Renesas Electronics
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ISL95871C Datasheet PDF : 26 Pages
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ISL95871C
Electrical Specifications VIN = DCIN = VCSIP = VCSIN = 19V, VCSOP = VCSON = 12V, VDDP = 5.1V, VBOOT - VPHASE = 5V,
AGND = PGND = 0V, VDDSMB = 5V. All typical specifications TA = +25°C. Boldface limits apply over the junction temperature range, -10°C to
+125°C. (Continued)
PARAMETER
CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
SWITCHING REGULATOR
Frequency
330 400 440 kHz
Dead Time
50
ns
ERROR AMPLIFIERS
GMV Amplifier Transconductance
200 250 300 µA/V
GMI Amplifier Transconductance
40
50
60 µA/V
GMS Amplifier Transconductance
40
50
60 µA/V
GMI/GMS Saturation Current
15
20
25
µA
GMV Saturation Current
10
17
30
µA
ICOMP, VCOMP Clamp Voltage
LOGIC LEVELS
0.25V < VICOMP, VVCOMP < 3.5V
200 300 400 mV
SDA/SCL Input Low Voltage
VDDSMB = 2.7V to 5.5V
0.8
V
SDA/SCL Input High Voltage
VDDSMB = 2.7V to 5.5V
2
V
SDA/SCL Input Bias Current
VDDSMB = 2.7V to 5.5V
1
µA
SDA, Output Sink Current
VSDA = 0.4V
7
15
mA
NOTE:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
SMBus Timing Specification VDDSMB = 2.7V to 5.5V
PARAMETERS
SYMBOL
SMBus Frequency
FSMB
Bus Free Time
Start Condition Hold Time from SCL
tBUF
THD:STA
Start Condition Setup Time from SCL
TSU:STA
Stop Condition Setup Time from SCL
SDA Hold Time from SCL
TSU:STO
THD:DAT
SDA Setup Time from SCL
SCL Low Timeout (Note 7)
SCL Low Period
SCL High Period
Maximum Charging Period Without a SMBus Write to
ChargeVoltage or ChargeCurrent Register
TSU:DAT
tTIMEOUT
tLOW
tHIGH
NOTES:
7. If SCL is low for longer than the specified time, the charger is disabled.
8. Limits established by characterization and are not production tested.
CONDITIONS
MIN
TYP
MAX UNITS
10
100
kHz
4.7
µs
4
µs
4.7
µs
4
µs
300
ns
250
ns
22
25
30
ms
4.7
µs
4
µs
140
175
220
s
FN6856 Rev 2.00
June 8, 2011
Page 8 of 26
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