LTC2928I データシートの表示（PDF） - Linear Technology

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LTC2928I

Multichannel Power Supply Sequencer and Supervisor

Linear Technology 

LTC2928

Absolute Maximum Ratings

(Note 1)

Supply Voltages

HVCC....................................................... –0.3V to 18V

VCC........................................................ –0.3V to 6.5V

Input Voltages

V1, V2, V3, V4..........................................–0.3V to 12V

MS1, MS2, RDIS.................................... –0.3V to 6.5V

SQT1, SQT2, VSEL ................................ –0.3V to 6.5V

RT1, RT2, RT3, RT4............................... –0.3V to 6.5V

ON, OVA..........................................–0.3 to VCC + 0.3V

STMR, PTMR, RTMR......................–0.3 to VCC + 0.3V

Output Voltages

EN1, EN2, EN3, EN4 (Note 3)...................–0.3V to 12V

CMP1, CMP2, CMP3, CMP4.................. –0.3V to 6.5V

FLT, RST, OV, CAS................................. –0.3V to 6.5V

DONE, REF....................................–0.3V to VCC + 0.3V

RMS Currents

IVCC.................................................................. ±10mA

IHVCC............................................................... ±20mA

IREF................................................................... ±10mA

Operating Ambient Temperature Range

LTC2928C................................................. 0°C to 70°C

LTC2928I..............................................–40°C to 85°C

Storage Temperature Range

SSOP Package.................................... –65°C to 150°C

QFN Package...................................... –65°C to 150°C

Lead Temperature (Soldering, 10 sec)

SSOP Package................................................... 300°C

Pin Configuration

TOP VIEW

CMP1 1

CMP2 2

EN2 3

V2 4

OVA 5

EN1 6

V1 7

REF 8

RT1 9

RT2 10

RT3 11

RT4 12

SQT1 13

SQT2 14

MS1 15

MS2 16

RDIS 17

CAS 18

36 CMP4

35 CMP3

34 V3

33 EN3

32 V4

31 EN4

30 RTMR

29 PTMR

28 STMR

27 VSEL

26 GND

25 HVCC

24 VCC

23 RST

22 OV

21 FLT

20 DONE

19 ON

G PACKAGE

36-LEAD PLASTIC SSOP

TJMAX = 125°C, θJA = 95°C/W

TOP VIEW

OVA 1

EN1 2

V1 3

N/C 4

REF 5

RT1 6

RT2 7

RT3 8

RT4 9

SQT1 10

SQT2 11

MS1 12

38 37 36 35 34 33 32

39

13 14 15 16 17 18 19

31 EN3

30 V4

29 EN4

28 RTMR

27 PTMR

26 STMR

25 VSEL

24 GND

23 HVCC

22 VCC

21 RST

20 OV

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

TJMAX = 125°C, θJA = 34°C/W

EXPOSED PAD (PIN 39) PCB GND CONNECTION OPTIONAL

2928fa

2

For more information www.linear.com/LTC2928

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