LTC2952IF-TRPBF 데이터 시트보기 (PDF) - Linear Technology
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LTC2952IF-TRPBF Datasheet PDF : 30 Pages
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LTC2952
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V1 = V2 = VS = 2.7V to 28V unless otherwise noted. (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VMAX
IIN_OFF
Operating Supply Voltage
V1, V2 or VS
l 2.7
28
V
Quiescent Supply Current Both Ideal V1 = 2.7V to 28V, V2 = 0V, VS = Open or
l
Diodes Switched Off
V2 = 2.7V to 28V, V1 = 0V, VS = Open.
(M1 = Open, M2 = 0V)
Measured Current at V1 or V2.
24
60
μA
V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.
l
Measured Current at V1.
5
15
μA
V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.
l
Measured Current at V2.
23
50
μA
IIN_ON
Quiescent Supply Current Both Ideal
Diodes Switched On
(M1 = 0V, M2 = 0V)
V1 = VS = 2.7V to 28V, V2 = 0V or
l
V2 = VS = 2.7V to 28V, V1 = 0V. Measured
Combined Current at V1 and VS or V2 and VS.
65
170
μA
V2PREF_TH
V2 Preferential Threshold Voltage
(M1 = Open, M2 = 0V) (Note 4)
V1 = 28V, VS = Open.
l
3.3
3.8
V
ILEAK
V1, V2 and VS Inter Pin Leakage to V1 = 28V, V2 = VS = 0V; V1 = VS = 0V,
the Highest Supply
V2 = 28V; V1 = V2 = 0V, VS = 28V
±3
μA
Ideal Diode Function
VFR
Ideal Diode PowerPath Forward
(V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V
l 10
20
35
mV
Regulation Voltage
VRTO
Ideal Diode PowerPath Fast Reverse (V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V
l –20
–35
–64
mV
Turn-Off Threshold Voltage
ΔIG ≤ –100μA/mV
IG(SRC)
Gate Turn-Off Current
G1 = G2 = VMAX – 1.5V
l –2
–5
–10
μA
IG(SNK)
Gate Turn-On Current
V1 = V2 = 2.7V to 28V,
VS = (V1 or V2) – 40mV,
G1 = G2 = VMAX –1.5V.
l
2
5
10
μA
IG(FASTSRC)
Gate Fast Turn-Off Source Current
V1 = V2 = 2.7V to 28V,
VS = (V1 or V2) + 0.1V,
G1 = G2 = VMAX –1.5V.
l –0.5 –2.5 –10
mA
IG(FASTSNK)
Gate Fast Turn-On Sink Current
V1 = V2 = 5V to 28V,
VS = (V1 or V2) – 0.1V,
G1 = G2 = VMAX – 1.5V.
l 0.3
0.7
2
mA
VG(ON)
Gate Clamp Voltage
IGX = 2μA, VX = 8V to 28V, VS = VX – 0.1V
l
6
7
8
V
Measure VX – VGX
VG(OFF)
Gate Off Voltage
IGX = –2μA, VX = 2.7V to 28V, VS = VX + 0.1V l
Measure VMAX – VGX
0.2
0.4
V
tG(ON)
Gate Turn-On Time
VG(OFF) to VGS ≤ –3V, CGATE = 1nF (Note 5),
V1 = V2 = 12V
0.1
2.5
10
μs
tG(OFF)
Gate Turn-Off Time
VG(ON) to VGS ≥ –1.5V, CGATE = 1nF (Note 6),
V1 = V2 = 12V
0.1
2.5
10
μs
Pushbutton Pin (PB)
VPB(VOC)
IPB
VTH_PB
VHYS_PB
PB Open-Circuit Voltage
PB Input Current
PB Input Threshold Voltage
PB Input Hysteresis
IPB = –1μA
VPB(VOC) < VPB ≤ 28V
0V ≤ VPB < VPB(VOC)
PB Falling From High to Low
l
1
4
6
V
l
±1
μA
l –1
–10
–25
μA
l 0.65 0.77
0.8
V
l 10
25
150
mV
2952fa
3
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