TPS16632 datasheet(6/30 Pages) TI1

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TPS1663

SLVSET9A – SEPTEMBER 2018 – REVISED OCTOBER 2018

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7.5 Electrical Characteristics

–40°C

≤ TA = TJ ≤ +125°C, 4.5 V < V(IN) = V(P_IN) < 60 V, V(SHDN) = 2 V, R(ILIM) = 30 kΩ, IMON = PGOOD = FLT = OPEN, C(OUT)

= 1 μF, C(dVdT) = OPEN. (All voltages referenced to GND, (unless otherwise noted))

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE

V(IN), V(P_IN)

Operating input voltage

4.5

IQ(ON)

Supply current

Enabled: V(SHDN) = 2 V

1.42

1.6

IQ(OFF)

V(SHDN) = 0 V

µA

V(OVC)

Over voltage clamp

TPS16632 Only, V(IN) > 40V, I(OUT) =

1mA

UNDERVOLTAGE LOCKOUT (UVLO) INPUT

V(UVLOR)

UVLO threshold voltage, rising

1.176

1.2

1.224

V(UVLOF)

UVLO threshold voltage, falling

1.14

I(UVLO)

UVLO Input leakage current

0 V

≤ V(UVLO) ≤ 60 V

–100

100

OVERVOLTAGE PROTECTION (OVP) INPUT

V(OVPR)

over-voltage threshold voltage, rising

1.176

1.2

1.224

V(OVPF)

over-voltage threshold voltage, falling

1.14

I(OVP)

OVP Input leakage current

0 V

≤ V(OVP) ≤ 4 V

–100

100

POWER LIMITING CONTROL (PLIM) INPUT – TPS16632 ONLY

V(SEL_PLIM)

Power Limit Feature select threshold

240

I(PLIM)

PLIM sourcing current

V(PLIM) = 0 V

µA

P(PLIM)

Max Output power

R(PLIM) = 100 kΩ

100

R(PLIM) = 150 kΩ

150

LOW IQ SHUTDOWN (SHDN) INPUT

V(SHDN)

Open circuit voltage

I(SHDN) = 0.1 µA

2.48

3.4

V(SHUTF)

SHDN threshold voltage for low IQ

shutdown, falling

0.8

V(SHUTR)

SHDN threshold rising

I(SHDN)

Leakage current

V(SHDN) = 0.4 V

–10

µA

OUTPUT RAMP CONTROL (dVdT)

I(dVdT)

dVdT charging current

V(dVdT) = 0 V

1.9

2.1

µA

GAIN(dVdT)

dVdT to OUT gain

V(OUT) /V(dVdT)

V/V

V_dVdTmax

dVdT maximum capacitor voltage

4.75

R(dVdT)

dVdT discharging resistance

V(SHDN) = 0 V, with I(dVdT) = 10 mA

sinking

CURRENT LIMIT PROGRAMMING (ILIM)

I(OL)

Over Load current limit

R(ILIM) = 30 kΩ, V(IN) – V(OUT) = 1 V

0.51

0.6

0.69

R(ILIM) = 9 kΩ, V(IN) – V(OUT) = 1 V

R(ILIM) = 4.02 kΩ, V(IN) – V(OUT) = 1 V

4.5

R(ILIM) = 3 kΩ, V(IN) – V(OUT) = 1 V

I(FASTRIP)

Fast-trip comparator threshold

2xI(OL)

I(SCP)

Short Circuit Protect current

CURRENT MONITOR OUTPUT (IMON)

GAIN(IMON)

Gain factor I(IMON):I(OUT)

0.6 A

≤ I(OUT) ≤ 6 A

27.7

µA/A

PASS FET OUTPUT (OUT)

RON

IN to OUT total ON resistance

0.6 A

≤ I(OUT) ≤ 6 A, –40°C ≤ TJ ≤

+125°C

mΩ

FAULT FLAG (FLT): ACTIVE LOW

R(FLT)

FLT Pull-down resistance

V(OVP) = 2 V, I(FLT) = 5 mA sinking

130

I(FLT)

FLT Input leakage current

0 V

≤ V(FLT) ≤ 60 V

–100

100

POWER GOOD (PGOOD)

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