LTC2922IF datasheet(2/20 Pages) LINER

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LTC2921/LTC2922 Series

29212fa

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Pin

VCC

Supply Voltage

Typical Operating Range

LTC2921/LTC2922

4.50

5.00

5.50

LTC2921-3.3/LTC2922-3.3

2.97

3.30

3.63

LTC2921-2.5/LTC2922-2.5

2.37

2.50

2.63

ICC

Supply Current

2mA

VCC(MON)

Supply Monitor Threshold Voltage

LTC2921/LTC2922

4.285

4.350

4.415

LTC2921-3.3/LTC2922-3.3

2.828

2.871

2.914

LTC2921-2.5/LTC2922-2.5

2.265

2.300

2.335

VCC(OV)

Supply Overvoltage Threshold

LTC2921/LTC2922

5.82

6.13

6.43

LTC2921-3.3/LTC2922-3.3

3.84

4.04

4.24

LTC2921-2.5/LTC2922-2.5

3.08

3.24

3.40

VCC Supply Voltage ...................................... –0.3V to 7V

V1, V2, V3, V4 Voltages ............................... –0.3V to 7V

SENSE Voltage ............................................ –0.3V to 7V

TIMER Voltage ............................. –0.3V to (VCC + 0.3V)

Charge Pumped Output Voltages

GATE, PG ............................................ –0.3V to 12.2V

Switch Voltages

S0, D0, S4, D4 (LTC2922 Series) ............ –0.3V to 7V

S1, D1, S2, D2, S3, D3 ............................ –0.3V to 7V

ORDER PART

NUMBER

TJMAX = 125°C, θJA = 110°C/W

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

ELECTRICAL CHARACTERISTICS

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Switch Currents (DC, RMS)

S0, D0, S4, D4 (LTC2922 Series) ..................... 30mA

S1, D1, S2, D2, S3, D3 ..................................... 30mA

Operating Ambient Temperature Range

LTC2921C/LTC2922C .............................. 0

°C to 70°C

LTC2921I/LTC2922I ............................–40

°C to 85°C

Junction Temperature (Note 2) ............................. 125

°C

Storage Temperature Range ..................–65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

ORDER PART

NUMBER

LTC2922CF

LTC2922CF-3.3

LTC2922CF-2.5

LTC2922IF

LTC2922IF-3.3

LTC2922IF-2.5

TJMAX = 125°C, θJA = 90°C/W

TOP VIEW

GN PACKAGE

16-LEAD NARROW PLASTIC SSOP

TIMER

VCC

SENSE

GATE

GND

TOP VIEW

TIMER

VCC

SENSE

GATE

GND

F PACKAGE

20-LEAD PLASTIC TSSOP

LTC2921CGN

LTC2921CGN-3.3

LTC2921CGN-2.5

LTC2921IGN

LTC2921IGN-3.3

LTC2921IGN-2.5

GN PART MARKING

2921

292133

292125

2921I

921I33

921I25

The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 5V for LTC2921/LTC2922, VCC = 3.3V for

LTC2921-3.3/LTC2922-3.3, and VCC = 2.5V for LTC2921-2.5/LTC2922-2.5, unless otherwise noted.

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