Datasheet > UCC27444-Q1

UCC27444-Q1

更新时间： 2024-03-03 10:10:40

品牌	Logo	应用领域
德州仪器 - TI		栅极驱动驱动器
页数	文件大小	规格书
34页	2429K
描述
具有 -5V 输入能力的汽车类 4A 双通道低侧栅极驱动器

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UCC27444-Q1 数据手册

UCC27444-Q1

ZHCSPQ0A –MAY 2022 –REVISED JULY 2023

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6.5 Electrical Characteristics

Unless otherwise noted, VDD = 4.5 V to 18 V, T_A= T_J= –40°C to 125°C, 1-µF capacitor from VDD to GND, no load on the

output. Typical condition specifications are at 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

BIAS CURRENTS

I_VDD

VDD static supply current

V_INx= 3.3 V, ENx = VDD

150

107

380

180

V_INx= 0 V, ENx = VDD

C_LOAD= 1.8 nF, f_SW= 1000 kHz, ENx = VDD, V_INx= 0 V

–3.3 V PWM

I_VDDO

I_DIS

VDD operating current

VDD disable current

V_INx= 3.3 V, ENx = 0 V

450

570

POWER ON RESET (POR)

V_{VDD_ON}

VDD POR rising threshold

2.1

1.8

3.0

4.0

3.5

V_{VDD_OFF}

V_{VDD_HYS}

VDD POR falling threshold

VDD POR hysteresis

2.7

0.3

INPUT (INA, INB)

V_{INx_H}

Input signal high threshold

Output High, ENx = HIGH

Output Low, ENx = HIGH

1.6

0.8

2.2

1.2

2.5

1.5

V_{INx_L}

Input signal low threshold

Input signal hysteresis

V_{INx_HYS}

ENABLE (ENA, ENB)

V_{ENx_H}

V_{ENx_L}

V_{ENx_HYS}

R_ENx

Enable signal high threshold Output High, INx = HIGH

1.7

1.1

2.3

1.8

0.7

100

2.7

2.2

Enable signal low threshold

Enable signal hysteresis

EN pin pullup resistance

Output Low, INx = HIGH

ENx = 0 V

kΩ

OUTPUTS (OUTA, OUTB)

(1)

I_SRC

Peak output source current

VDD = 14 V, C_VDD= 10 µF, C_L= 0.1 µF, f = 1 kHz

(1)

(2)

I_SNK

Peak output sink current

–4

I_OUT= –10 mA

See 节7.3.4.

R_OH

R_OL

Pullup resistance

1.2

0.7

2.5

1.2

Ω

Pulldown resistance

I_OUT= 10 mA

(1) Parameter not tested in production.

(2) Output pullup resistance in this table is a DC measurement that measures resistance of PMOS structure only (not N-channel

structure).

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