2
SCD8691 Rev E 6/14/10
Aeroflex Plainview
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
7V
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
A
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
0.995
1.005
V
Line Regulation
2V < VIN < 3V, VOUT = 1.0V,
4.3V < VIN < 5.3V, VOUT = 3.3V,
-0.2
%/V
Load Regulation
0A < IOUT < 7.5A
-
0.5
%
Ripple Rejection Ratio
f = 120Hz, CLOAD = 47F
66
-
dB
Dropout Voltage
VDROP
@
VOUT = 1%, 0A < IOUT < 7.5A
-
0.5
V
Adjustment Pin Current
IADJ
-3
A
Minimum Load Current
IMIN
-0
mA
Current Limit 2/ICL
9.5
13.5
A
Long Term Stability 3/
-1
%
Supply Current (VBIAS)IBIAS
-15
mA
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.
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