HUASHAN H79L12 3-terminal fixed voltage regulator Datasheet

23213
Shantou Huashan Electronic Devices Co.,Ltd.
3-TERMINAL FIXED VOLTAGE REGULATOR
H79L12
█ Description
H79L12 is the three terminal negative Regulators with single chip,
and in a wide range of applications 。It supplies fixed output
TO-92
voltages of -12V, deliver over 100mA output current ,and employs
internal current limiting, thermal shut down and safe operating
area protection, making it essentially indestructible.
█ Features
1―GND
2―INPUT
3―OUTPUT
l Output current up to 100mA
l Low noise
l High Ripple Rejection
l Power Amplify Output Protection
l Thermal Overload Protection
l Current Overload Protection and Short Circuit Protection
█ Absolute Maximum Ratings(Ta=25℃)
VIN——Input Voltage……………………………………………………… -35V
T amb ——Operating Temperature Range……………………………… -20~85℃
T stg ——Storage Temperature Range………………………………… -55~150℃
T j ——Junction Temperature………………………………………… -55~150℃
█ Internal Block Diagram
INPUT
Series
Bypass
Element
3
Current
Generator
Starting
Circuit
Reference
Voltage
OUTPUT
1
SOA
Protection
Error
Amplifier
Thermal
Protection
circuit
GND
2
23213
Shantou Huashan Electronic Devices Co.,Ltd.
3-TERMINAL FIXED VOLTAGE REGULATOR
H79L12
█Typical Application
H79L12
█ ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VIN =-19V,IO =40mA,0℃≤Tj ≤125℃,CIN=0.33μF,COUT=0.1μF)
Symbol
VO
Parameter
Output Voltage
ΔVO
Line Regulation
ΔVO
Load Regulation
Min.
Typ.
Max.
-11.5
-12.0
-12.5
-11.4
-12.6
-11.4
-12.6
250
200
100
50
Quiescent
Current
6.5
Quiescent
1.5
0.1
VN
Current Change
Output
Noise
Voltage
RR
Ripple Rejection
VD
Dropout Voltage
IQ
ΔIQ
37
Unit
Conditions
Tj =25℃
V
-27V ≤ VIN ≤ -14.5V,1mA ≤ IO ≤
40Ma
VIN =-19V,1mA≤IO ≤70mA
mV
mV
mA
mA
Tj =25℃, -27V≤VIN ≤-14.5V
Tj =25℃, -27V≤VIN ≤-16V
Tj =25℃,1mA≤IO ≤100mA
Tj =25℃,1mA≤IO ≤40mA
Tj =25℃
-27V≤VIN ≤-16V
1mA≤IO ≤40mA
80
μV
Tj =25℃,10Hz≤f≤100kHz
42
dB
Tj =25℃, -25V≤VIN ≤-15V,
f=120Hz
1.7
V
Tj =25℃
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