LTC2952 Linear Technology, LTC2952 Datasheet - Page 3

• Manufacturer Part Number: LTC2952
• Description: Pushbutton PowerPath Controller
• Manufacturer: Linear Technology

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ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
I
I
V2
I
Ideal Diode Function
V
V
I
I
I
I
V
V
t
t
Pushbutton Pin (PB)
V
I
V
V
IN_OFF
IN_ON
LEAK
G(SRC)
G(SNK)
G(FASTSRC)
G(FASTSNK)
G(ON)
G(OFF)
PB
TH_PB
MAX
FR
RTO
G(ON)
G(OFF)
PB(VOC)
HYS_PB
PREF_TH
PARAMETER
Operating Supply Voltage
Quiescent Supply Current Both Ideal
Diodes Switched Off
(M1 = Open, M2 = 0V)
Quiescent Supply Current Both Ideal
Diodes Switched On
(M1 = 0V, M2 = 0V)
V2 Preferential Threshold Voltage
(M1 = Open, M2 = 0V) (Note 4)
V1, V2 and VS Inter Pin Leakage to
the Highest Supply
Ideal Diode PowerPath Forward
Regulation Voltage
Ideal Diode PowerPath Fast Reverse
Turn-Off Threshold Voltage
Gate Turn-Off Current
Gate Turn-On Current
Gate Fast Turn-Off Source Current
Gate Fast Turn-On Sink Current
Gate Clamp Voltage
Gate Off Voltage
Gate Turn-On Time
Gate Turn-Off Time
PB Open-Circuit Voltage
PB Input Current
PB Input Threshold Voltage
PB Input Hysteresis
A
CONDITIONS
V1, V2 or VS
V1 = 2.7V to 28V, V2 = 0V, VS = Open or
V2 = 2.7V to 28V, V1 = 0V, VS = Open.
Measured Current at V1 or V2.
V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.
Measured Current at V1.
V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.
Measured Current at V2.
V1 = VS = 2.7V to 28V, V2 = 0V or
V2 = VS = 2.7V to 28V, V1 = 0V. Measured
Combined Current at V1 and VS or V2 and VS.
V1 = 28V, VS = Open.
V1 = 28V, V2 = VS = 0V; V1 = VS = 0V,
V2 = 28V; V1 = V2 = 0V, VS = 28V
(V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V
(V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V
ΔI
G1 = G2 = V
V1 = V2 = 2.7V to 28V,
VS = (V1 or V2) – 40mV,
G1 = G2 = V
V1 = V2 = 2.7V to 28V,
VS = (V1 or V2) + 0.1V,
G1 = G2 = V
V1 = V2 = 5V to 28V,
VS = (V1 or V2) – 0.1V,
G1 = G2 = V
I
Measure V
I
Measure V
V
V1 = V2 = 12V
V
V1 = V2 = 12V
I
V
0V ≤ V
PB Falling From High to Low
GX
GX
PB
G(OFF)
G(ON)
PB(VOC)
= 25°C. V1 = V2 = VS = 2.7V to 28V unless otherwise noted. (Notes 2, 3)
G
= 2μA, V
= –2μA, V
= –1μA
≤ –100μA/mV
PB
The
to V
to V
< V
< V
X
MAX
GS
GS
l
MAX
MAX
MAX
MAX
X
– V
PB
PB(VOC)
X
= 8V to 28V, VS = V
≥ –1.5V, C
denotes the specifications which apply over the full operating
≤ –3V, C
– V
= 2.7V to 28V, VS = V
≤ 28V
GX
– 1.5V
–1.5V.
–1.5V.
– 1.5V.
GX
GATE
GATE
= 1nF (Note 5),
= 1nF (Note 6),
X
– 0.1V
X
+ 0.1V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
–0.5
0.65
MIN
–20
2.7
0.3
0.1
0.1
10
–2
–1
10
2
6
1
–2.5
0.77
TYP
–35
–10
3.3
0.7
0.2
2.5
2.5
24
23
65
20
–5
25
5
5
7
4
LTC2952
MAX
170
–64
–10
–10
–25
150
3.8
0.4
0.8
28
60
15
50
±3
35
10
10
10
±1
2
8
6
UNITS
2952fa
3
mV
mV
mA
mA
mV
μA
μA
μA
μA
μA
μA
μA
μA
μA
μs
μs
V
V
V
V
V
V