LM78XX LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD 3 of 10
www.unisonic.com.tw QW-R101-006,J
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
PARAMETER SYMBOL RATING UNIT
VOUT=3.3~18V 35 V
Input voltage VOUT=24V VIN 40 V
Output Current IOUT 1 A
Power Dissipation PD Internally Limited W
Operating Junction Temperature TOPR -20 ~ +150 °C
Storage Temperature TSTG -55 ~ +150 °C
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER SYMBOL RATING UNIT
θJA 65 °C/W
Thermal Resistance
θJC 5 °C/W
ELECTRICAL CHARACTERISTICS
(IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
For UTC LM7833 (VIN=5.8V)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
TJ =25°C, IOUT=5mA - 1.0A 3.168 3.30 3.432 V
Output Voltage V
OUT VIN =5.8V ~ 18.3V,
IOUT=5mA - 1.0A, PD15W≦ 3.135 3.465 V
Dropout Voltage VD T
J =25°C 2.0 V
TJ =25°C,IOUT=5mA - 1.0A 33 mV
Load Regulation ΔVOUT TJ =25°C,IOUT=0.25A - 0.75A 17 mV
VIN =5.8V ~ 18.3V, TJ =25°C 33 mV Line regulation
ΔVOUT VIN =5.8V ~ 18.3V, TJ =25°C, IOUT=1.0A 33 mV
Quiescent Current IQ T
J =25°C, IOUT 1.0A≦ 8.0 mA
VIN =5.8V ~ 18.3V 1.0 mA
Quiescent Current Change ΔIQ IOUT=5mA - 1.0A 0.5 mA
Output Noise Voltage eN 10Hz f 100kHz≦≦ 55 μV
Temperature Coefficient of Vo ΔVo/ΔT IOUT=5mA -0.4 mV/°C
Ripple Rejection RR VI N=6.3V–16.3V, f=120Hz, TJ =25°C 57 dB
Peak Output Current IPEAK T
J =25°C 1.8 A
Short-Circuit Current ISC V
IN=35V, TJ =25°C 250 mA
For UTC LM7847 (VIN =9.7V)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
TJ =25°C, IOUT=5mA - 1.0A 4.512 4.70 4.888 V
Output Voltage VOUT VIN =7.2V ~ 19.7V,
IOUT=5mA - 1.0A, PD15W≦ 4.465 4.935 V
Dropout Voltage VD T
J =25°C 2.0 V
TJ =25°C,IOUT=5mA - 1.0A 47 mV
Load Regulation ΔVOUT TJ =25°C,IOUT=0.25A - 0.75A 24 mV
VIN =7.2V ~ 19.7V, TJ =25°C 47 mV Line regulation
ΔVOUT VIN =7.2V ~ 19.7V, TJ =25°C, IOUT=1.0A 47 mV
Quiescent Current IQ T
J =25°C, IOUT 1.0A≦ 8.0 mA
VIN =7.2V ~ 19.7V 1.0 mA
Quiescent Current Change ΔIQ IOUT=5mA - 1.0A 0.5 mA
Output Noise Voltage eN 10Hz f 100kHz≦≦ 40 μV
Temperature Coefficient of Vo ΔVo/ΔT IOUT=5mA -0.6 mV/°C
Ripple Rejection RR VIN =7.7V -17.7V, f=120Hz, TJ =25°C 62 80 dB
Peak Output Current IPEAK T
J =25°C 1.8 A
Short-Circuit Current ISC V
IN =35V, TJ =25°C 250 mA