NTE1934X Integrated Circuit Positive Voltage Regulator, 5V, 2A Features: 3 Pin Plastic Package TO3P Only Output Capacitor is Externally Required Precise Setting Voltage of 2% Wide Input Voltage Range Built-in Current Foldback Protection Ideal Combination of Passivated Power Transistor and High Reliability Flip-Chip Circuit Absolute Maximum Ratings: (T = +25C unless otherwise specified) A DC Input Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V IN Power Dissipation, P (T =+ 25C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50W C C (No Fin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W Thermal Resistance, Junction-to-Case, R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 C/W thJC Junction Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +125C J Operating Ambient Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +100C op Storage Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +125C stg Electrical Characteristics: (T = +25C unless otherwise specified) A Parameter Symbol Test Conditions Min Typ Max Unit DC Input Voltage V I = 2A 6 - 15 V IN O Output Voltage V V = 8V, I = 1A 4.9 5.0 5.1 V O IN O Output Current I 0 - 2 A O Line Regulation V V = 6V to 15V, I = 1A - 10 30 mV LINE IN O Load Regulation V V = 8V, I = 0 to 2A - 40 100 mV LOAD IN O Temperature Coefficient K - 0.5 - mV/C t Ripple Rejection RR f = 100Hz to 120H - 54 - dB Z Foldback Current I V = 8V 2.4 - - A S1 INExternal Circuit D 1 V V IN O DC Input DC Output 32 + + 1 C C IN O - - Note 1. C : Output capacitor (47 to 100F, 50V) O Note 2. C : Capacitor for oscillation protection (approx. 0.33 F), if needed. IN Note 3. Diode for reverse bias protection (NTE552) if needed. .190 (4.82) .615 (15.62) V O .787 (20.0) .591 .126 (3.22) (15.02) Dia .787 (20.0) GND V V O IN .215 (5.47)