N a t i o n a l Semiconductor Voltage Regulators Low Dropout Regulators Mfr.Os Type PDIP TO-220 TO-92 Output Current (A) N N N N N N N N N N N N N N N N N N N N N N LP2951CN N LM2940T-10.0 LM2940T-12.0 LM2940T-5.0 LM2940T-8.0 LM2940T-9.0 LM2940CT-12 LM2940CT-15 LM2940CT-5.0 LM2941T LM2941CT LM2990T-12 LM2990T-15 LM2990T-5.0 LM2990T-5.2 LM2991T LM2937ET-12 LM2937ET-15 LM2937ET-5.0 LM2930T-5.0 LM2930T-8.0 LM2931T-5.0 LM2931CT N N N N N N N N N N N N N N N N N N N N N N LM2931Z-5.0 N N LM2936Z-5.0 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 0.15 0.15 0.10 0.10 0.10 0.05 Output Voltage (V) Dropout Voltage* (V) Typical Input Voltage (V) Maximum Quiescent Current (mA) Typical Polarity Protection (V) Reverse Transient Protection (V) No. of Leads Temperature Range (C) 10 12 5 8 9 12 15 5 Adj. (5 to 20) Adj. (5 to 20) 12 15 5 5.2 Adj. (2 to 25) 12 15 5 5 8 5 Adj. (3 to 29) Adj. (1.24 to 29) 5 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.60 0.60 0.60 0.60 0.60 0.50 0.50 0.50 0.32 0.32 0.30 0.30 0.38 0.20 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 24 24 30 40 10.000 10.000 10.000 10.000 10.000 10.000 10.000 10.000 10.000 10.000 1.000 1.000 1.000 1.000 1.000 2.000 2.000 2.000 4.000 4.000 0.400 0.400 0.075 0.009 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 6 6 15 15 15 15 1.20 1.20 1.20 1.20 1.20 1.00 1.00 1.00 1.20 1.00 1.00 1.00 1.00 1.00 1.00 1.20 1.20 1.20 3.33 3.33 1.20 1.20 1.20 1.20 T3 T3 T3 T3 T3 T3 T3 T3 T5 T5 T5 T5 T5 T5 T5 T3 T3 T3 T3 T3 T3, Z3 T5 N8 Z3 40 to +150 40 to +150 40 to +150 40 to +150 40 to +150 0 to +150 0 to +150 0 to +150 40 to +150 0 to +150 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 *Typical dropout voltage specified under full load operation. Adjustable Positive Voltage Regulators Mfr.Os Type TO-39 SOIC TO-220 TO-92 Output Current (A) Output Voltage (V) Input Voltage* (V) No. of Leads Temperature Range (C) N N N N N LM117H LM317H LM317AH LM317HVH N N N N N N N N N N LM317LM LM338T LM350T LM350AT LM317T LM317HVT N N LM317AT N N N N N N N N N N N LM317LZ 3.0 3.0 1.5 1.5 0.5 0.5 0.5 0.5 0.5 0.1 1.2 to 32 1.2 to 32 1.2 to 32 1.2 to 37 1.2 to 57 1.2 to 57 1.2 to 37 1.2 to 37 1.2 to 57 1.2 to 37 Diff. 40 Diff. 35 Diff. 35 Diff. 40 Diff. 60 Diff. 40 Diff. 40 Diff. 40 Diff. 60 Diff. 40 T3 T3 T3 T3 T3 H3 H3 H3, T3 H3 M8, Z3 0 to +125 0 to +125 40 to +125 0 to +125 0 to +125 55 to +150 0 to +125 40 to +125 0 to +125 25 to +125 Output Voltage (V) Input Voltage* (V) No. of Leads Temperature Range (C) 1.2 to 37 1.2 to 37 1.2 to 37 Diff. 40 Diff. 40 Diff. 40 K2, T3 H3 M8, Z3 0 to +125 0 to +125 25 to +125 *In cases where the regulator is OfloatingO the maximum input-to-output voltage differential is listed. Adjustable Negative Voltage Regulators Mfr.Os Type Metal Can SOIC TO-220 TO-92 Output Current (A) LM337KSTEEL LM337Ha N N N LM337LM LM337T N N N N LM337LZ 1.5 0.5 0.1 *In cases where the regulator is OfloatingO the maximum input-to-output voltage differential is listed. TO-3 Steel Package. aTO-39 Package. 13 Building Block Adjustable Positive and Negative Voltage Regulators Mfr.Os Type TO-5 LM723H N LM305H PDIP N LM723CN N Output Current (A) Output Voltage (V) Input Voltage* (V) No. of Leads Temperature Range (C) 150 mA 150 mA 45 mA 2.0 to 37 2.0 to 37 4.5 to 30 9.5 to 40 9.5 to 40 8.5 to 40 H10 N14 H8 55 to +150 0 to +150 0 to +85 *In cases where the regulator is OfloatingO the maximum input-to-output voltage differential is listed. Fixed Positive Voltage Regulators Mfr.Os Type Metal Can SOIC TO-220 TO-92 Output Current (A) Output Voltage (V) Max. Input Voltage* (V) No. of Leads Temperature Range (C) N LM340K-5.0 N N LM78M05CH LM78M12CH LM78M15CH N N N N N N N LM140LAH-5.0 LM340LAH-12 LM340LAH-5.0 N N N N N N N N N N LM78L05ACM N LM78L12ACM LM78L15ACM N N N LM7808CT LM340T-5.0 LM340T-12 LM340T-15 LM78M05CT LM78M12CT LM78M15CT LM341T-12 LM341T-15 LM341T-5.0 N N N N N N N N N N N N N N N N N LM78L05ACZ LM78L09ACZ LM78L12ACZ LM78L15ACZ N N LM340LAZ-5.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 8.0 5.0 12.0 15.0 5.0 12.0 15.0 12.0 15.0 5.0 5.0 9.0 12.0 15.0 5.0 12.0 5.0 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 T3 K2, T3 T3 T3 H3, T3 H3, T3 H3, T3 T3 T3 T3 M8, Z3 Z3 M8, Z3 M8, Z3 H3 H3 H3, Z3 0 to +150 0 to +150 0 to +150 0 to +150 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 40 to +125 0 to +125 0 to +125 0 to +125 0 to +125 55 to +150 0 to +150 0 to +150 *Minimum Input Voltage for Fixed Negative Voltage Regulators. TO-3 Package. 834 b ALLIED See Our Manufacturer Index Located In Section 1