TSC TS79L00 Technical data
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TS79L00 series
3-Terminal Low Current Negative Voltage Regulator
Voltage Range - 5V to - 24V
Output Current up to 100mA
General Description
The TS79L00 Series of negative voltage regulators are inexpensive, easy-to-use devices suitable for a multitude of
applications that require a regulated supply of up to 100mA. Like their higher power TS7900 and TS79M00 Series
cousins, these regulators feature internal current limiting and thermal shutdown making them remarkably rugged. No
external components are required with the TS79L00 devices in many applications.
These devices offer a substantial performance advantage over the traditional zener diode-resistor combination, as output
impedance and quiescent current are substantially reduced.
This series is offered in 3-pin TO-92, SOT-89 and 8-pin SOP-8 package.
Features
Output current up to 100mA
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output transistor safe-area compensation
Output voltage offered in 4% tolerance
Standard Application
Ordering Information
Part No.
TS79LxxCT TO-92
TS79LxxCY SOT-89
TS79LxxCS
Note: Where xx denotes voltage option.
Operating Temp.
(Ambient)
-20 ~ +85 oC
Package
SOP-8
A common ground is required between the input and the
output voltages. The input voltage must remain typically
2.0V above the output voltage even during the low point
on the Input ripple voltage.
XX = these two digits of the type number indicate voltage.
* = Cin is required if regulator is located an appreciable
distance from power supply filter.
** = Co is not needed for stability; however, it does
improve transient response.
Pin Assignment
Pin No.
TS79L00CT TS79L00CY TS79L00CS
3 3 1 Output
2 2 2, 3, 6, 7 Input
1 1 5 Ground
4, 8 Non connected
TS79L00 series 1-8 2003/12 rev. D
Pin
Description
Absolute Maximum Rating
Input Voltage Vin * - 35 V
Input Voltage Vin ** - 40 V
Power Dissipation TO-92
TO-89
SOP-8
Operating Junction Temperature Range TJ 0 ~ +125
Storage Temperature Range T
Note : * TS79L05 to TS79L18
** TS79L24
Pd
-65 ~ +150
STG
0.625
0.5
0.5
W
o
C
o
C
TS79L05 Electrical Characteristics
(Vin= -10V, Iout=40mA, 0 oC≤Tj≤125 oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Unit
Tj=25 oC - 4.80 - 5 - 5.20
Output voltage Vout
Line Regulation REGline Tj=25 oC
Load Regulation REGload Tj=25 oC
Quiescent Current Iq Iout=0, Tj=25 oC -- 3 6
Quiescent Current Change ∆Iq
Output Noise Voltage Vn 10Hz≤f≤100KHz, Tj=25 oC -- 40 -- uV
Ripple Rejection Ratio RR f=120Hz, -8V≤Vin≤ -18V 41 49 -- dB
Voltage Drop Vdrop Tj=25 oC -- 1.7 -- V
Peak Output Current Io peak Tj=25 oC -- 0.15 -- A
z Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as
possible, and thermal effects must be taken into account separately.
z This specification applies only for DC power dissipation permitted by absolute maximum ratings.
-7.5V≤Vin≤ -20V,
5mA≤Iout≤100mA
-7.5V≤Vin≤ -20V,
Io=40mA
5mA≤Iout≤100mA -- 20 60
5mA≤Iout≤40mA -- 10 30
-8V≤Vin≤ -20V -- -- 1.5
1mA≤Iout≤40mA -- -- 0.1
- 4.75 - 5 - 5.25
-- 50 150
V
mV
mA
TS79L00 series 2-8 2003/12 rev. D
TS79L06 Electrical Characteristics
(Vin= -11V, Iout=40mA, 0 oC≤Tj≤125 oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Parameter Test Conditions Min Typ Max Unit
Tj=25 oC - 5.76 - 6 - 6.24
Output voltage Vout
Line Regulation REGline Tj=25 oC
Load Regulation REGload Tj=25 oC
Quiescent Current Iq Iout=0, Tj=25 oC -- 3 6
Quiescent Current Change ∆Iq
Output Noise Voltage Vn 10Hz≤f≤100KHz, Tj=25 oC -- 40 -- uV
Ripple Rejection Ratio RR f=120Hz, -9V≤Vin≤ -19V 41 49 -- dB
Voltage Drop Vdrop Tj=25 oC -- 1.7 -- V
Peak Output Current Io peak Tj=25 oC -- 0.15 -- A
-8.5V≤Vin≤ -21V,
5mA≤Iout≤100mA
-8.5V≤Vin≤ -21V,
Io=40mA
5mA≤Iout≤100mA -- 20 60
5mA≤Iout≤40mA -- 10 30
-9V≤Vin≤ -21V -- -- 1.5
1mA≤Iout≤40mA -- -- 0.1
- 5.70 - 6 - 6.30
-- 50 150
V
mV
mA
TS79L08 Electrical Characteristics
(Vin= -14V, Iout=40mA, 0 oC≤Tj≤125 oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Unit
Tj=25 oC - 7.69 - 8 - 8.32
Output Voltage Vout
Line Regulation REGline Tj=25 oC
Load Regulation REGload Tj=25 oC
Quiescent Current Iq Iout=0, Tj=25 oC -- 3 6
Quiescent Current Change ∆lq
Output Noise Voltage Vn 10Hz≤f≤100KHz, Tj=25 oC -- 60 -- uV
Ripple Rejection Ratio RR f=120Hz, -13V≤Vin≤ -23V 37 57 -- dB
Voltage Drop Vdrop Tj=25 oC -- 1.7 -- V
Peak Output Current Io peak Tj=25 oC -- 0.15 -- A
z Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as
possible, and thermal effects must be taken into account separately.
z This specification applies only for DC power dissipation permitted by absolute maximum ratings.
-10.5V≤Vin≤ -23V,
5mA≤Iout≤100mA
-10.5V≤Vin≤ -23V,
Io=40mA
5mA≤Iout≤100mA -- 25 80
5mA≤Iout≤40mA -- 10 40
-11V≤Vin≤ -23V -- -- 1.5
1mA≤Iout≤40mA -- -- 0.1
- 7.61 - 8 - 8.40
-- 80 160
V
mV
mA
TS79L00 series 3-8 2003/12 rev. D
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