TLC5970RHPR datasheet(8/48 Pages) TI

8 / 48 page

TLC5970

SBVS140 – MARCH 2010

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

At VCC = 10 V to 36 V and TA = –40°C to +85°C. Typical values at VCC = 24 V, FB = 17 V, and TA = +25°C, unless otherwise

noted.

TLC5970

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

WHOLE BLOCK

VREG

At VREG pin. CREG = 0.01 µF, GSn = 000h

4.75

5.0

5.25

Internal power-supply voltage

VREG1

At VREGIF pin. CREG1 = 0.1 µF, RLDIF = 2 × 51 Ω

4.75

5.0

5.25

VSTR

Undervoltage lockout

At VREG pin, VREG rising

3.8

4.1

4.4

VHYS

Undervoltage lockout hysteresis

At VREG pin

250

350

450

At VCC pin. SDTA/SCKA = 0 V, SDTB/SCKB = 3 V,

SDTY/SDTZ/SCKY/SCKZ/PH/BOOT = open,

ICC

PH not switching, VOUTn = 1.0 V, GSn = 000h,

4.0

7.5

DCn = BC = 7Fh, RIREF = 15 kΩ,

internal oscillator mode, and auto repeat mode

At VCC pin. SDTA/SCKA = 0 V, SDTB/SCKB = 3 V,

SDTY/SDTZ/SCKY/SCKZ/PH/BOOT = open,

ICC1

PH not switching, VOUTn = 1.0 V, GSn = 000h,

7.5

DCn = BC = 7Fh, RIREF = 2 kΩ,

internal oscillator mode, and auto repeat mode

At VCC pin. SDTA/SDTB = 10 MHz,

SCKA/SCKB = 20 MHz with 0 V to 3 V swing,

SDTY-SDTZ/SCKY-SCKZ = RLDIF = 10 kΩ,

ICC2

CLDIF = 15 pF, PH/BOOT = open, PH is full switching,

8.5

VOUTn = 1.0 V, GSn = FFFh, DCn = BC = 7Fh,

Supply current

RIREF = 2 kΩ, internal oscillator mode,

and auto repeat mode

At VCC pin. SDTA/SDTB = 10 MHz,

SCKA/SCKB = 20 MHz with 0 V to 3 V swing,

SDTY-SDTZ/SCKY-SCKZ = RLDIF = 2 × 51 Ω,

ICC3

CLDIF = 50 pF, PH/BOOT = open, PH is full switching,

8.5

VOUTn = 1.0 V, GSn = FFFh,

DCn = BC = 7Fh, RIREF = 2 kΩ,

internal oscillator mode, and auto repeat mode

At VCC pin. SDTA/SDTB = 10 MHz,

SCKA/SCKB = 20 MHz with 0 V to 3 V swing,

SDTY-SDTZ/SCKY-SCKZ = RLDIF = 2 × 51 Ω,

ICC4

CLDIF = 50 pF, PH/BOOT = open, PH is full switching,

VOUTn = 1.0 V, GSn = FFFh,

DCn = BC = 7Fh, RIREF = 1 kΩ,

internal oscillator mode, and auto repeat mode

II4

At SWOFF pin. VIH = +5 V, VIL = GND

–2

1000

µA

Input current

II5

At VROM pin. VIH = +19.0 V

TTSD

Thermal shutdown trip point

Rising junction temperature(6)

+150

+162

+175

°C

THYST

Thermal shutdown hysteresis

Junction temperature(6)

+10

+20

°C

TPTD

Pre thermal shutdown trip point

Rising junction temperature(6)

+125

+138

+150

°C

THYSP

Pre thermal shutdown hysteresis

Junction temperature(6)

+16

°C

(6)

Not tested, specified by design.

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