SY88922 datasheet(3/6 Pages) MICREL

3 / 6 page

SY88922

Micrel, Inc.

M9999-091906

hbwhelp@micrel.com or (408) 955-1690

Symbol

Rating

Value

Unit

VCC

Power Supply Voltage

0 to +7.0

Input Voltage

0 to VCC

Output Current

Operating Temperature Range

0 to +85

°C

Tstore

Storage Temperature Range

–55 to +125

°C

Maximum Operating Junction Temperature

+125

°C

Ptot

Power Dissipation

250

ABSOLUTE MAXIMUM RATINGS(1)

Note:

1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not implied at

conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions for extended periods

may affect device reliability.

Symbol

Rating

Value

Unit

VCC

Power Supply Voltage

+4.5 to +5.5

REXT

Resistor to Dissipate Power

10 to 50

Ω

RSER

Laser Diode Serial Resistor

0 to 50

Ω

RSET

Resistor to Adjust Current

1500 to 50,000

Ω

θJA

Thermal Resistance of Package to Ambient(2)

113

°C/W

COUT

Capacitance on OUT + /OUT

2.5 typical

OPERATIONING CONDITIONS(1)

Notes:

1. The voltage drop across REXT and RSER plus Laser Diode should not be greater than 2V.

2. Still air without heatsink.

TA = 0

°CTA = +25°CTA = +85°C

Symbol

Parameter

Min.

Typ.

Max.

Min.

Typ.

Max.

Min.

Typ.

Max.

Unit

VIH

Input HIGH Voltage

VCC–1165

—

VCC–880

VCC–1165

—

VCC–880 VCC–1165

—

VCC–880

(DIN, /DIN, /EN)

VIL

Input LOW Voltage

VCC–1810

—

VCC–1475 VCC–1810

—

VCC–1475 VCC–1810

—

VCC–1475

(DIN, /DIN, /EN)

VREF

Reference Voltage

—

3.12

—

3.00

—

2.80

—

IIL

Input LOW Current(1)

0.5

—

0.5

—

0.5

—

(DIN, /DIN, /EN)

IIH

Input HIGH Current

—

100

—

100

—

100

(DIN, /DIN, /EN)

ICC

Supply Current(2)

—16

—

IOL

Output LOW Current

—

500

—

500

—

500

(/EN = HIGH)

IOUT

Modulation Current

IRSET

Modulation Control

0.125

—

0.625

0.125

—

0.625

0.125

—

0.625

ARSET

=IOUT/IRSET

—

Notes:

1. VI = VIL(Min.)

2. IMOD = 25mA.

DC ELECTRICAL CHARACTERISTICS

GND = 0V; VCC = +5.0V ±10%; TA = 0°C to + 85°C

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