ShenZhen CanSheng Industry Development Co., Ltd.
TO-92 Encapsulate Three-terminal Voltage Regulator
WS78L12 Three-term...
ShenZhen CanSheng Industry Development Co., Ltd.
TO-92 Encapsulate Three-terminal Voltage
Regulator
WS78L12 Three-terminal positive voltage
regulator
FEATURES Maximum Output current
IOM:
0.1A
Output voltage Vo: 12 V
Continuous total dissipation PD: 0.625 W
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Input Voltage
Vl 35
Operating Junction Temperature Range
TOPR
0-+125
Storage Temperature Range
TSTG
-55-+150
Unit
V ℃ ℃
ELECTRICAL CHARACTERISTICS (VI=19V, Io=40mA, Ci=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Output voltage
Load Regulation
Line regulation Quiescent Current Quiescent Current Change Output Noise VoItage Ripple Rejection Dropout Voltage
Vo
△Vo
△Vo
Iq △Iq △Iq VN RR Vd
14V≤V l≤27V, Io=1mA-40mA Io=1mA-70mA Io=1mA-100mA Io=1mA-40mA 14.5V≤V l≤27V 16V≤V l≤27V
16V≤V l≤27V 1mA≤IO≤40mA 10Hz≤f≤100KHz 15V≤V l≤25V,f=120Hz
25℃
0-125℃
25℃ 25℃ 25℃ 25℃ 25℃ 0-125℃ 0-125℃ 25℃ 0-125℃ 25℃
MIN
11.5 11.4 11.4
37
TYP
12 12 12 22 13 55 49 4.3
70 42 1.7
MAX
12.5 12.6 12.6 100 50 250 200 6.5 1.5 0.1
UNIT
V V
V mV mV mV mV mA mA mA uV dB V
TYPICAL APPLICATION
Note : Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the
regulators.
ShenZhen CanSheng Industry Development Co., Ltd.
Typical Characteristics
WS78LXX
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