SEMTECH ELECTRONICS LTD.

ST 78L07
3-Terminal positive voltage regulator
7V
• Suitable for TTL, DTL, HTL, C-MOS, power supply
• Internal short-circuit current limiting
• Internal thermal overload protection
• Maximum output current of 150 mA (Tj = 25 OC)
• Available in the plastic TO-92 package
1. Output 2. Common 3. Input
TO-92 Plastic Package
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Input Voltage
VIN
35
V
Power Dissipation
Ptot
800
mW
Operating Temperature
Topr
- 30 to + 75
O
Storage Temperature Range
Tstg
- 55 to + 150
O
C
C
Electrical Characteristics (Unless otherwise specified, VIN = 12 V, IOUT = 40 mA, CIN = 0.33 µF, COUT = 0.1 µF, Tj = 25 °C)
Parameter
Symbol
Min.
Typ.
Max.
Output Voltage
Input Regulation
9.2 V ≤ VIN ≤ 22 V
10 V ≤ VIN ≤ 22 V
Load Regulation
1 mA ≤ IOUT ≤ 100 mA
1 mA ≤ IOUT ≤ 40 mA
Output Voltage
9.2 V ≤ VIN ≤ 22 V
1 mA ≤ IOUT ≤ 40 mA
Output Voltage
VIN = 12 V
1 mA ≤ IOUT ≤ 70 mA
Unit
VOUT
6.72
7
7.28
V
Reg. line
-
50
45
160
115
mV
Reg. load
-
13
56
75
40
mV
VOUT
6.65
-
7.35
V
VOUT
6.65
-
7.35
V
IB
-
3.1
6.5
mA
-
-
1.5
0.1
mA
-
50
-
µV
37
46
-
dB
-
1.7
-
V
-
-0.75
-
mV/OC
Quiescent Current
Quiescent Current Change
10 V ≤ VIN ≤ 22 V
With line
ΔIB
1 mA ≤ IOUT ≤ 40 mA
With load
Output Noise Voltage
VNO
at Ta = 25 OC, 10 Hz ≤ f ≤ 100 KHz
Ripple Rejection
RR
at f = 120 Hz, 10 V ≤ VIN ≤ 20 V, Tj = 25 OC
Dropout Voltage
⎢VIN-VOUT ⎢
at Tj = 25 OC
Average Temperature Coefficient of Output Voltage
TCVO
at IOUT = 5 mA
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
®
Dated : 07/12/2002