LTC4216I Ver la hoja de datos (PDF) - Linear Technology
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LTC4216I Datasheet PDF : 26 Pages
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LTC4216
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, unless otherwise noted. (Note 2)
SYMBOL
ΔVCB(TH)
ΔVACL(TH)
ISENSEP(IN)
ISENSEN(IN)
IGATE(UP)
IGATE(DN)
PARAMETER
Circuit Breaker Trip Voltage Threshold
(VSENSEP – VSENSEN)
Analog Current Limit Voltage Threshold
(VSENSEP – VSENSEN)
SENSEP Pin Input Current
SENSEN Pin Input Current
GATE Pull Up Current
GATE Pull Down Current
ΔVGATE
VGATE(TH)
VSS(CLP)
VSS(TH)
ISS(UP)
External N-Channel Gate Drive
(VGATE – VSENSEN)
GATE Pin Threshold Voltage
SS Pin Clamp Voltage
SS Pin Threshold Voltage
SS Pull Up Current
ISS(DN)
VFB(TH)
ΔVFB(LINEREG)
ΔVFB(HYST)
IFB(IN)
VON(TH)
ΔVON(HYST)
VON(FC)
ION(IN)
VTMR(TH)
SS Pull Down Current
FB Pin Threshold Voltage
FB Pin Threshold Line Regulation
FB Pin Hysteresis
FB Pin Input Current
ON Pin Threshold Voltage
ON Pin Hysteresis
ON Pin Fault Clear Threshold Voltage
ON Pin Input Current
TIMER Pin Threshold Voltage
ITMR(UP)
ITMR(DN)
VFILT(TH)
Timer Pull Up Current
Timer Pull Down Current
FILTER Pin Threshold Voltage
IFILT(UP)
IFILT(DN)
Filter Pull Up Current
Filter Pull Down Current
VFAULT(TH)
ΔVFAULT(HYST)
IFAULT(UP)
VOL
IRESET(LEAK)
tCB(TRIP)
FAULT Pin Threshold Voltage
FAULT Pin Hysteresis
FAULT Pin Current
Output Low Voltage (RESET, FAULT)
RESET Pin Input Leakage Current
Circuit Breaker Trip to Gate Discharging
CONDITIONS
VSENSEP = 0.4V, 3.3V
VSENSEP = VSENSEN = VCC = 6V
VSENSEP = VSENSEN = 0V, VCC = 6V
VSENSEN = VSENSEP = VCC = 6V
VSENSEN = VSENSEP = 0V, VCC = 6V
Gate Drive On, VGATE = 0V, VON = 2V
Gate Drive Off, VGATE = 5V, VON = 0.6V
VSENSEP - VSENSEN = 55mV, VGATE = 5V
VSENSEP - VSENSEN = 100mV, VGATE = 5V
2.3V ≤ VCC < 3V
3V ≤ VCC ≤ 6V
VGATE Falling
After End of SS Timing Cycle
VSS Falling
VON = 2V, VSS = 1.2V, VFB = 2V
VON = 2V, VFB = 0V
VON = 0V, VSS = 2V
VFB Falling
2.3V ≤ VCC ≤ 6V
VFB = 1.2V, VCC = 6V
VON Rising
VON Falling
VON = 1.2V, VCC = 6V
VTIMER Rising
VTIMER Falling
Timer On, VON = 2V, VTIMER = 1V
Timer Off, VON = 0V, VTIMER = 2V
VFILTER Rising
VFILTER Falling
VON = 2V, VFILTER = 1V, In Fault Mode
VON = 2V, VFILTER = 1V, No Faults
VON = 0V, VFILTER = 2V, In Reset Mode
VFAULT Falling
VON = 0V, VFAULT = 1.5V
IRESET = IFAULT = 1.6mA
VRESET = VCC = 6V
(VSENSEP - VSENSEN) = Step 0V to 150mV
(VSENSEP - VSENSEN) = Step 0V to 30mV,
VSENSEP = VCC, FILTER = 10nF to GND
MIN TYP MAX UNITS
22.5
25
27.5
mV
l 21.5
25
28.5
mV
l 32
40
48
mV
l 20
70
250
µA
l
–7
– 20
µA
l
10
15
µA
l –5
–10
–15
µA
l –16 –20 –26
µA
l 100
600 1500
µA
l
1
5
20
mA
l 15
50
100
mA
l 4.0
5.0
7.9
V
l 4.5
6.2
7.9
V
l 0.15
0.2
0.3
V
l 1.3
1.65
2.0
V
l 0.15
0.2
0.35
V
l –7
–10 –13
µA
l –0.3
–1
–2
µA
8
mA
l 0.593 0.602 0.611
V
l
0.2
3
mV
3
mV
l
0
±1
µA
l 0.77
0.8
0.83
V
l 40
80
130
mV
l 0.36
0.4
0.44
V
l
0
±1
µA
l 1.216 1.253 1.291
V
l 0.15
0.2
0.35
V
l –1.5
–2
– 2.5
µA
8
mA
l 1.216 1.253 1.291
V
l 0.15
0.2
0.35
V
l –45 –60 –75
µA
l 1.5
2.4
3.3
µA
8
mA
l 1.216 1.253 1.291
V
10
mV
l –3
–5
–7
µA
l
0.15
0.4
V
0
±10
µA
l
1
3
µs
l 120
240
360
µs
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