NTE1531 Datasheet, PDF (1/3 Pages) NTE Electronics – Integrated Circuit Voltage Regulator for Electronic Tuning System

NTE1531
Integrated Circuit
Voltage Regulator for Electronic Tuning System
Description:
The NTE1531 is a voltage regulator for use with a varactor tuner or electronic tuning control.
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Maximum Input Voltage (+B₁, +B₂, CLK), V_B1, V_B2, V_CLKmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21V
Allowable Power Dissipation, P_Dmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Operating Temperature Range, T_opg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Recommended Operation Conditions: (T_A = +25°C unless otherwise specified)
Parameter
Symbol Min Typ Max Unit
V_ref Output Current
V_DD Output Current
INHI Output Current
BUC Output Current
+B₁, +B₂ Input Voltage
I_ref
–10 –
I_DD –30 –
I_INHI –0.5 –
I_BUC –0.8 –
V_B1, V_B2 9
–
0 mA
0 mA
0 mA
0 mA
16 V
Operational Characteristics: (T_A = +25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min Typ Max Unit
V_DD Voltage
V_DD Voltage
(At Back–Up Time)
V_DD Voltage
V_DD(1)
+B1 = +B2 = 9V, I_DD = 30mA,
I_ref = 10mA, V_ref = 8V,
T_A = –20° to +70°C
V_ref–0.3 – 8.5 V
V_DD(2)
+B₁ = +B₂ = 16V, I_DD = 30mA,
I_ref = 10mA, V_ref = 8V,
T_A = –20° to +70°C
V_ref–0.3 –
10
V
V_DD(3)
+B₂ = 9 to 16V, I_DD = 4mA,
+B₁ opened.
4.5
– 5.5 V
V_DD(4) V_CLK = +B₂ = 9V, I_DD = 18mA,
V_ref–0.3 – 8.5 V
I_ref = 10mA, V_ref = 8V,
T_A = –20° to +70°C, +B₁ opened.