Document
INCHANGE Semiconductor
isc Three Terminal Negative Voltage Regulator
LM7915
FEATURES
·Output current in excess of 1.5 A ·Output voltage of 15V ·Internal thermal overload protection ·Output transition Safe-Area compensation ·100% avalanche tested ·Minimum Lot-to-Lot variations for robust device
performance and reliable operation
ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
SYMBOL
PARAMETER
RATING
UNIT
Vi
DC input voltage
-35
V
Io
Output current
internally limited
Ptot
Power dissipation
internally limited
TOP
Operating junction temperature
0~125
℃
Tstg
Storage temperature
-55~150
℃
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
MAX UNIT
Rth j-c Thermal Resistance, Junction to Case
3
℃/W
Rth j-a Thermal Resistance,Junction to Ambient
50
℃/W
isc website:www.iscsemi.com
1 isc & iscsemi is registered trademark
INCHANGE Semiconductor
isc Three Terminal Negative Voltage Regulator
LM7915
·ELECTRICAL CHARACTERISTICS
Tj=25℃ (Vi= -23V, IO=0.5A, Ci= 2.2μF, CO= 1.0μF unless otherwise specified)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNIT
VO
Output Voltage
VO
Output Voltage
△VV Line Regulation
Vin=-23V; IO=1A
-14.4
Vin=-17.5 to -30V; IO= 5mA to 1A;
-14.25
-17.5V≤Vin≤-30V; IO=0.5A
△Vi Load Regulation
5.0mA≤IO≤1.5A; Vin=-23V
Ib
Quiescent Current
Vin=-23V; IO=1A
△b1 Quiescent Current Change 5.0mA≤IO≤1.0A;Vin=-23V
△b2 Quiescent Current Change -17.5V≤Vin≤-30V; IO=0.5A
-15.6 V
-15.75 V
100 mV
200 mV
3
mA
0.5 mA
0.5 mA
NOTICE: ISC reserves the rights to make changes of the content herein the datasheet at any time without notification. The information contained herein is presented only as a guide for the applications of our products. ISC products are intended for usage in general electronic equipment. The products are not designed for use in equipment which require specialized quality and/or reliability, or in equipment which could have applications in hazardous environments, aerospace industry, or medical field. Please contact us if you intend our products to be used in these special applications. ISC makes no warranty or guarantee regarding the suitability of its products for any particular purpose, nor does ISC assume any liability arising from the application or use of any products, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
isc website:www.iscsemi.com
2 isc & iscsemi is registered trademark
.