LTC2952CF datasheet(3/28 Pages) LINER

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LTC2952

2952f

ELECTRICAL CHARACTERISTICS The ● 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

Operating Supply Voltage

V1, V2 or VS

●

2.7

IIN_OFF

Quiescent Supply Current Both Ideal

Diodes Switched Off

(M1 = Open, M2 = 0V)

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.

●

µA

V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.

Measured Current at V1.

●

515

µA

V1 = 2.7V to 28V, V2 = 3.5V, VS = Open.

Measured Current at V2.

●

µA

IIN_ON

Quiescent Supply Current Both Ideal

Diodes Switched On

(M1 = 0V, M2 = 0V)

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.

●

170

µA

V2PREF_TH

V2 Preferential Threshold Voltage

(M1 = Open, M2 = 0V) (Note 4)

V1 = 28V, VS = Open.

●

3.3

3.8

ILEAK

V1, V2 and VS Inter Pin Leakage to

the Highest Supply

V1 = 28V, V2 = VS = 0V; V1 = VS = 0V,

V2 = 28V; V1 = V2 = 0V, VS = 28V

±3

µA

Ideal Diode Function

VFR

Ideal Diode Power Path Forward

Regulation Voltage

(V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V

●

VRTO

Ideal Diode Power Path Fast Reverse

Turn-Off Threshold Voltage

(V1 or V2) – VS, 2.7V ≤ (V1 or V2) ≤ 28V

ΔIG ≤ –100μA/mV

●

–20

–35

–64

IG(SRC)

Gate Turn-Off Current

G1 = G2 = VMAX – 1.5V

●

–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.

●

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.

●

–0.5

–2.5

–10

IG(FASTSNK)

Gate Fast Turn-On Sink Current

V1 = V2 = 5V to 28V,

VS = (V1 or V2) – 0.1V,

G1 = G2 = VMAX – 1.5V.

●

0.3

0.7

VG(ON)

Gate Clamp Voltage

IGX = 2µA, VX = 8V to 28V, VS = VX – 0.1V

Measure VX – VGX

●

678

VG(OFF)

Gate Off Voltage

IGX = –2µA, VX = 2.7V to 28V, VS = VX + 0.1V

Measure VMAX – VGX

●

0.2

0.4

tG(ON)

Gate Turn-On Time

VG(OFF) to VGS ≤ –3V, CGATE = 1nF (Note 5),

V1 = V2 = 12V

0.1

2.5

µs

tG(OFF)

Gate Turn-Off Time

VG(ON) to VGS ≥ –1.5V, CGATE = 1nF (Note 6),

V1 = V2 = 12V

0.1

2.5

µs

Push-Button Pin (

⎯P⎯B)

V⎯P⎯B(VOC)

⎯P⎯B Open Circuit Voltage

I⎯P⎯B = –1µA

●

146

I⎯P⎯B

⎯P⎯B Input Current

V⎯P⎯B(VOC) < V⎯P⎯B ≤ 28V

0V ≤ V⎯P⎯B < V⎯P⎯B(VOC)

●

–1

–10

±1

–25

µA

VTH_⎯P⎯B

⎯P⎯B Input Threshold Voltage

⎯P⎯B Falling From High to Low

●

0.65

0.77

0.8

VHYS_⎯P⎯B

⎯P⎯B Input Hysteresis

●

150

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