NTE1867 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Hybrid Switching Voltage Regulator

NTE1867 & NTE1868
Integrated Circuit
Hybrid Switching Voltage Regulator
Features:
D Few External Components Needed
D Conversion Efficiency: 85%
D Accurate Voltage Setting: ±2%
D Low Switching Noise
D Output Voltage Adjustable
Applications:
D Power Supply Circuits for Electrionic Typewriter, Printer, and Copy Machines
D Power Supply for VCR, Personal Wireless Station, and Battery Charger
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
DC Input Voltage, V_IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V
DC Input Current, I_O
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Pulsed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A
Power Dissipation, P_D
T_C = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75W
T_C = +100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +100°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +100°C
Electrical Characteristics: (T_A = +25°C unles otherwise specified)
Parameter
Symbol
Test Conditions
DC Input Voltage Range
NTE1867
NTE1868
V_IN
I_O = 1A
Output Voltage Setting
NTE1867
NTE1868
V_O
V_IN = 24V, I_O = 1A
Line Regulation
Load Regulation
Efficiency
Ripple Rejection
Oscillating Frequency
∆V_LINE V_IN = 20V to 28V, I_O = 1A
∆V_LOAD V_IN = 24V, I_O = 0.5A to 1.5A
η V_IN = 24V, I_O = 1A
R_REJ f = 100Hz to 200Hz
f_OSC V_IN = 24V, I_O = 1A
Min Typ Max Unit
18 – – V
19 – – V
11.8 12.0 12.2 V
12.8 13.0 13.2 V
– – 60 mV
– – 100 mV
– 85 – %
– 45 – dB
– 25 – kHz