VRG8691 datasheet(2/10 Pages) AEROFLEX

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SCD8691 Rev H 11/12/13

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ABSOLUTE MAXIMUM RATINGS

PARAMETER

RANGE

UNITS

Operating (Junction) Temperature Range

-55 to +150

°C

Lead Temperature (soldering, 10 sec)

300

°C

Storage Temperature Range

-65 to +150

°C

VBIAS, VIN

Thermal Resistance (Junction to case

JC)1

°C/W

Power

25 1/W

1/ Based on pass transistor limitations of (VIN - VO) x IO and

JC < 1°C/W with 25°C max TJ rise and TC = +125°C.

NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings

only; functional operation beyond the “Operation Conditions” is not recommended and extended exposure beyond the “Operation

Conditions” may effect device reliability.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

RANGE

UNITS

Output Voltage Range

1.0 to 3.3

VDC

Case Operating Temperature Range

-55 to +125

°C

Output Current

0 to 7.5

VBIAS

3.3 to 5.5 1/VDC

VIN

1.8 to 5.5 2/VDC

1/ VBIAS must maintain a level equal or above VIN but not fall below 3.3V

2/ Depending upon VOUT setting.

ELECTRICAL PERFORMANCE CHARACTERISTICS 1/

PARAMETER

SYM

CONDITIONS

MIN

MAX

UNITS

Reference Voltage

VREF

VIN = VBIAS = 5V, ENABLE = 0, 0A < IOUT < 7.5A

0.985

1.015

Line Regulation

2V < VIN < 3V, VOUT = 1.0V, CIN > 47µF,

4.3V < VIN < 5.3V, VOUT = 3.3V, COUT > 47µF,

-0.2

%/V

Load Regulation

0A < IOUT < 7.5A, CIN > 47µF, COUT > 47µF,

0.5

Ripple Rejection Ratio

f = 120Hz, CLOAD = 47µF,

VIN + VRIP > VOUT + VDROP(MAX) @ 5A,

VIN = 4.3V, VRIP = 1VP-P, VOUT = 3.3V

Dropout Voltage

VDROP

VOUT = 1%, 0A < IOUT < 7.5A

0.5

Adjustment Pin Current

IADJ

-3

µA

Minimum Load Current

IMIN

-0

Current Limit 2/ICL

9.5

13.5

Long Term Stability 3/

-1

Supply Current (VBIAS)IBIAS

-15

Notes:

1/ Unless otherwise specified, these specifications apply for post radiation: VBIAS = VIN = 5V, VOUT = 3.3V, IOUT = 7.5A and -55°C < Tc <+125°C, Min

Input/Output capacity of 47µF Tant with 1µF ceramic in parallel.

2/ Current Limit is adjustable as shown in Application Note 2, Figures 3 and 4.

3/ Not tested. Shall be guaranteed to the specified limits after 1000hr life test.

VOUT

VIN

VOUT

IOUT

VOUT

TIME

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