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LTC4156IUFD View Datasheet(PDF) - Linear Technology

Part Name
Description
MFG CO.
'LTC4156IUFD' PDF : 52 Pages View PDF
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LTC4156
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA TJ = 25°C (Note 2). VBUS = 5V, BATSNS = 3.3V, DVCC = 3.3V,
RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
VUSBGTPROT
VWALLGTPROT
VUSBGTLOAD,
VWALLGTLOAD
IUSBSNSQ
USBGT Output Voltage Protected
WALLGT Output Voltage Protected
USBGT, WALLGT Voltage Under
Load
USBSNS Quiescent Current
IWALLSNSQ WALLSNS Quiescent Current
tRISE
OVGCAP Time to Reach Regulation
IRQ Pin Characteristics
USBSNS > VUSBOVLO
WALLSNS > VWALLOVLO
5V Through 3.6k into WALLSNS, USBSNS,
IUSBGT, IWALLGT = 1µA
VUSBSNS = 5V, VUSBSNS > VWALLSNS
VUSBSNS = 5V, VWALLSNS > VUSBSNS
VWALLSNS = 5V, VWALLSNS > VUSBSNS
VWALLSNS = 5V, VUSBSNS > VWALLSNS
COVGCAP = 1nF
IIRQ
IRQ Pin Leakage Current
VIRQ
IRQ Pin Output Low Voltage
ID Pin Characteristics
VIRQ = 5V
IIRQ = 5mA
IID
VID_OTG
ID Pin Pull-Up Current
ID Pin Threshold Voltage
VID = 0V
ID Pin Falling
Hysteresis
Thermistor Measurement System
kOFFSET
VNTC / VNTCBIAS A/D Lower Range VNTC / VNTCBIAS Ratio Below Which Only 0x00
End
Is Returned
kHIGH
VNTC / VNTCBIAS A/D Upper Range VNTC / VNTCBIAS Ratio Above Which Only 0x7F
End
Is Returned
kSPAN
A/D Span Coefficient
(Decimal Format)
dTOO_COLD
NTCVAL at NTC_TOO_COLD
(Decimal Format)
Warning Threshold
Reset Threshold
dHOT_FAULT NTCVAL at HOT_FAULT
(Decimal Format)
Fault Threshold
Reset Threshold
INTC
NTC Leakage Current
Ideal Diode
VFWD
I2C Port
DVCC
Forward Voltage Detection
I2C Logic Reference Level
Input Power Available, Battery Charger Off
(Note 3)
IDVCCQ
VDVCC_UVLO
ADDRESS
DVCC Current
DVCC UVLO
I2C Address
SCL/SDA = 0kHz
VIH,SDA,SCL
VIL,SDA,SCL
IIH,SDA,SCL
IIL,SDA,SCL
VOL
fSCL
tBUF
Input High Threshold
Input Low Threshold
Input Leakage High
Input Leakage Low
Digital Output Low (SDA)
Clock Operating Frequency
Bus Free Time Between STOP and
START Condition
SDA, SCL = DVCC
SDA, SCL = 0V
ISDA = 3mA
MIN
TYP MAX
UNITS
0
V
0
V
8.4
8.9
V
27
µA
54
µA
27
µA
54
µA
1.2
ms
1
µA
75
100
mV
35
55
85
μA
0.5
0.86 0.95
V
0.2
V
0.113
0.895
6.091 6.162 6.191
102
102
102
98
98
98
19
19
19
23
23
23
–100
100
V/V
V/V
mV/V/
LSB
Count
Count
Count
Count
nA
15
mV
1.7
VMAX
0.25
1.0
0001_001[R/W]b
70
30
–1
1
–1
1
0.4
400
1.3
V
µA
V
% DVCC
% DVCC
µA
µA
V
kHz
µs
4156f
7
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