33981B PDF 데이터시트 ( Data ) - Freescale Semiconductor

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33981B 기능

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Single High-Side Switch

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Freescale Semiconductor

Advance Information

Document Number: MC33981

Rev. 6.0, 5/2007

Single High-Side Switch

(4.0 mΩ), PWM clock up to 60kHz

33981B

The 33981 is a high-frequency, self-protected 4.0 mΩ RDS(ON) high-

side switch used to replace electromechanical relays, fuses, and

discrete devices in power management applications.

The 33981 can be controlled by Pulse-Width Modulation (PWM) with

a frequency up to 60 kHz. It is designed for harsh environments, and it

includes self-recovery features. The 33981 is suitable for loads with

high in-rush current, as well as motors and all types of resistive and

inductive loads.

The 33981 is packaged in a 12 x 12 non-leaded power-enhanced

Power QFN package with exposed tabs.

Features

• Single 4.0 mΩ RDS(ON) Maximum High-Side Switch

• PWM Capability up to 60 kHz with Duty Cycle from 5% to 100%

• Very Low Standby Current

• Slew Rate Control with External Capacitor

• Overcurrent and Overtemperature Protection, Undervoltage

Shutdown and Fault Reporting

• Reverse Battery Protection

• Gate Drive Signal for External Low-Side N-Channel MOSFET with

Protection Features

• Output Current Monitoring

• Temperature Feedback

• Pb-Free Packaging Designated by Suffix Code PNA

www.DataSheet4U.com

HIGH-SIDE SWITCH

Bottom View

SCALE 1:1

PNA (Pb-Free Suffix)

98ARL10521D

16-PIN PQFN (12 X 12)

ORDERING INFORMATION

Device

Temperature

Range (TA)

MC33981BPNA/R2 -40°C to 125°C

Package

16 PQFN

VDD

I/O

MCU I/O

I/O

A/D

VPWR

33981

CONF

INLS

INHS

TEMP

CSNS

VPWR

CBOOT

OUT

DLS

GLS

OCLS SR GND

Figure 1. 33981 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

ELECTRICAL CHARACTERISTICS

MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

MAXIMUM RATINGS

Table 2. Maximum Ratings

All voltages are with respect to ground unless otherwise noted.

Rating

Symbol

Value

Unit

ELECTRICAL RATINGS

Power Supply Voltage

Steady-State

Input/Output Pins Voltage (1)

Output Voltage

Positive

Negative

Continuous Output Current (2)

CSNS Input Clamp Current

EN Input Clamp Current

SR Voltage

CBOOT Voltage

OCLS Voltage

Low-Side Gate Voltage

Low-Side Drain Voltage

ESD Voltage (3)

Human Body Model (HBM)

Charge Device Model (CDM)

Corner Pins (1, 12, 15, 16)

All Other Pins (2-11, 13-14)

VPWR

INHS, INLS,

CONF, CSNS, FS,

TEMP, EN

VOUT

IOUT

ICL(CSNS)

ICL(EN)

VSR

CBOOT

VOCLS

VGLS

VDLS

VESD

-16 to 41

-0.3 to 7.0

41.0

-5.0

40.0

15.0

2.5

-0.3 to 54.0

-5.0 to 7.0

-0.3 to 15.0

-5.0 to 41.0

± 2000

± 750

± 500

THERMAL RATINGS

Operating Temperature

Ambient

Junction

°C

TA -40 to 125

TJ -40 to 150

Storage Temperature

Thermal Resistance (4)

Junction to Power Die Case

Junction to Ambient

TSTG

RθJC

RθJA

-55 to 150

1.0

20.0

°C

°C/W

Peak Pin Reflow Temperature During Solder Mounting (5)

TSOLDER

245

°C

Notes

1. Exceeding voltage limits on INHS, INLS, CONF, CSNS, FS, TEMP, and EN pins may cause a malfunction or permanent damage to the

device.

2. Continuous high-side output rating as long as maximum junction temperature is not exceeded. Calculation of maximum output current

using package thermal resistance is required.

3. ESD testing is performed in accordance with the Human Body Model (HBM) (CZAP = 100 pF, RZAP = 1500 Ω) and the Charge Device

Model (CDM), Robotic (CZAP = 4.0 pF).

4. Device mounted on a 2s2p test board per JEDEC JESD51-2.

5. pin soldering temperature limit is for 10 seconds maximum duration. Not designed for immersion soldering. Exceeding these limits may

cause malfunction or permanent damage to the device.

33981

Analog Integrated Circuit Device Data

Freescale Semiconductor

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DYNAMIC ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 6.0 V ≤ VPWR ≤ 27 V, -40°C ≤ TA ≤ 125°C unless otherwise noted. Typical values

noted reflect the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ Max Unit

CONTROL INTERFACE AND POWER OUTPUT TIMING (CBOOT, VPWR)

Charge Blanking Time (CBOOT) (10)

tON 10 25 50 µs

Output Rising Slew Rate

SRR

V/µs

VPWR = 13 V, from 10% to 90% of VOUT, SR Capacitor = 4.7 nF,

RL= 5.0 Ω

8.0 16 35

Output Falling Slew Rate

VPWR = 13 V, from 90% to 10% of VOUT, SR Capacitor = 4.7 nF,

RL= 5.0 Ω

Output Turn-ON Delay Time (11)

VPWR = 13 V, SR Capacitor = 4.7 nF

Output Turn-OFF Delay Time (12)

VPWR = 13 V, SR Capacitor = 4.7 nF

Input Switching Frequency (9)

Output PWM ratio @ 60kHz (13)

Time to Reset Fault Diagnosis

(over load on high side or external low side)

SRF

t DLYON

t DLYOFF

f PWM

R PWM

t RSTDIAG

8.0

200

500

–

5.0

100

400

1000

200

700

1500

400

V/µs

kHz

µs

Output Over Current Detection Time

tOCH 1.0 10 20 µs

Notes

9. The MC33981 can work down (~100Hz). The fault management reset can not be guaranteed with PWM frequency lower than 5kHz

(INHS=0 during 200us typ)

10. Values for CBOOT=100nF. Refer to the paragraph entitled Sleep Mode on page 13. Parameter is guaranteed by design and not

production tested.

11. Turn-ON delay time measured from rising edge of INHS that turns the output ON to VOUT = 0.5 V with RL= 5.0 Ω resistive load.

12. Turn-OFF delay time measured from falling edge of INHS that turns the output OFF to VOUT = VPWR -0.5 V with RL= 5.0 Ω resistive load.

13. The ratio is measured at Vout = 50% VPWR without SR capacitor. The device is capable of 100% duty cycle.

Analog Integrated Circuit Device Data

Freescale Semiconductor

33981

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Freescale Semiconductor에서 제조한 전자 부품 33981B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.

33981B의 기능 및 특징 중 하나는 "Single High-Side Switch" 입니다.

일반적으로, Freescale Semiconductor에서 제조되는 전자부품들은 우수한 성능과
품질에 대한 신뢰성을 갖추고 있습니다.

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부품번호	상세설명 및 기능	제조사
33981	Single High Side Switch	Freescale Semiconductor
33981	High-Frequency High-Current Self-Protected High-Side Switch	Motorola Inc

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