LT8584HFEPBF Ver la hoja de datos (PDF) - Linear Technology
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LT8584HFEPBF Datasheet PDF : 36 Pages
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LT8584
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 4.2V, DIN = GND unless otherwise noted. (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Recommended Voltage Range
Switching
Nonswitching
l 2.5
l 2.45
5.3
V
5.3
VIN Quiescent Current
VIN UVLO
Switch DC Current Limit
Switching
Nonswitching
In Shutdown, DIN = OUT
In Shutdown, DIN = OUT
45
mA
l
2.5
3
mA
1
90
nA
l
1
µA
l 2.1
2.45
V
l
6
6.3
6.8
A
Current Limit Blanking Time
450
ns
Switch VCESAT
Switch Leakage Current
Switch Maximum On Time
ISW = 4A
VSW = 4.2V
VSW = 4.2V
200
mV
5
70
nA
l
4
µA
l
30
50
70
µs
Switch Short Detection Timeout
Note 5
l 0.5
0.85
1.2
µs
Switch Clamp Voltage
Switch Clamp Blanking Time
ISW = 2mA
ISW = 6A
Note 6
42
45
48
V
50
V
80
200
360
ns
DCM Comparator Trip Voltage
DCM Comparator Propagation Delay
VSW – VVIN
200mV Overdrive
l
40
95
150
mV
l
100
180
ns
DCM Blanking Time
230
ns
MODE Threshold
1.7
V
DIN Shutdown Threshold
High → Low, Referred to GND
l
1
1.2
1.4
V
DIN Shutdown Threshold Hysteresis
100
mV
DIN Data Threshold
High → Low, VTH = VOUT – VDIN, MODE = 0V
l 0.3
0.7
0.9
V
DIN Data Threshold Hysteresis
VTH = VOUT – VDIN, MODE = 0V
l
20
80
160
mV
DIN Pin Current
VDIN = 0V
VDIN = –1V
l
–6
–3
–1
µA
–18
–14
–6
µA
DCHRG Threshold
MODE Tied to VIN
l 0.5
0.8
1.1
V
DCHRG Hysteresis
MODE Tied to VIN
100
mV
DCHRG Pull-down Current
Pin Voltage = 0.4V
l 220
300
µA
DCHRG Pull-up Current
RMTR Pin High Voltage
RMTR Pin Low Voltage
VCELL Switch RDSON
VSNS Dynamic Input Range
VSNS Average Input Range
VSNS Amplifier Input Referred Offset
VSNS Amplifier Gain
Handshake Voltage Error
Pin Voltage = VIN – 0.4V
RRTMR = 50kΩ
RRTMR = 50kΩ
Gain Error ≤ 8%
Gain Error ≤ 3%
VCELL – VSNS = 40mV
Over VSNS Average Input Range
Measured ± with Respect to:
VMODE1 = 0.2V
VMODE2 = 0.4V
VMODE3 = 0.6V
VMODE4 = 0.8V
VSW,ERR = 1.2V
VFAULT = 1.4V
VFAULT = 1.4V
l 220
300
1.22
0
55
l –30
70
l
15
45
l –1.1
1.1
l 18.7
19
19.3
l –13
13
l –14
14
l –18
18
l –22
22
l –31
31
l –35
35
–28
28
µA
V
V
Ω
mV
mV
mV
V/V
mV
mV
mV
mV
mV
mV
mV
8584fb
For more information www.linear.com/LT8584
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