LD29300 SERIES 3A, VERY LOW DROP VOLTAGE REGULATORS ■ ■ ■ ■ ■ VERY LOW DROPOUT VOLTAGE (TYP. 0.4 AT 3A) GUARANTEED OUTPUT CURRENT UP TO 3A FIXED VOLTAGE WITH ±1% TOLERANCE AT 25°C INTERNAL CURRENT AND THERMAL LIMIT LOGIC CONTROLLED ELECTRONIC SHUTDOWN AVAILABLE IN PPAK DESCRIPTION The LD29300 is a high current, high accuracy, low-dropout voltage regulator series. These regulators feature 400mV dropout voltage and very low ground current. Designed for high current loads, these devices are also used in lower current, extremely low dropout-critical systems, where their tiny dropout voltage and ground current values are important attributes. Typical applications are in Power supply switching post regulation, Series power supply for monitors, Series power supply for VCRs and TVs, Computer Systems and Battery powered systems. D2PAK TO-220 D2PAK/A P2PAK/A P2PAK SCHEMATIC DIAGRAM FOR ADJUSTABLE VERSION June 2003 1/17 LD29300 SERIES SCHEMATIC DIAGRAM FOR FIXED VERSION * Only for version with inhibit function. ORDERING CODES TO-220 D2PAK (*) D2PAK/A (*) P2PAK (*)(#) P2PAK/A (*) OUTPUT VOLTAGE LD29300V15 LD29300V18 LD29300V25 LD29300V33 LD29300V50 LD29300V80 LD29300V90 LD29300D2T15 LD29300D2T18 LD29300D2T25 LD29300D2T33 LD29300D2T50 LD29300D2T80 LD29300D2T90 LD29300D2M15 LD29300D2M18 LD29300D2M25 LD29300D2M33 LD29300D2M50 LD29300D2M80 LD29300D2M90 LD29300P2T15 LD29300P2T18 LD29300P2T25 LD29300P2T33 LD29300P2T50 LD29300P2T80 LD29300P2T90 LD29300P2T LD29300P2M15 LD29300P2M18 LD29300P2M25 LD29300P2M33 LD29300P2M50 LD29300P2M80 LD29300P2M90 LD29300P2M 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V 8.0 V 9.0 V ADJ (*) Available in Tape & Reel with the suffix "R". (#) Available on request. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VI DC Input Voltage 30 (*) V IO Output Current Internally Limited mA PD Power Dissipation Internally Limited mW Tstg Storage Temperature Range -55 to 150 °C Top Operating Junction Temperature Range -40 to 125 °C (*) Above 14V the device is automatically in shut-down. Absolute Maximum Ratings are those beyond which damage to the device may occur. Functional operation under these condition is not implied. 2/17 LD29300 SERIES THERMAL DATA Symbol Parameter TO-220 D2PAK-P2PAK D PAK/A-P2PAK/A 2 Unit Rthj-case Thermal Resistance Junction-case 3 3 °C/W Rthj-amb Thermal Resistance Junction-ambient 50 60 °C/W CONNECTION DIAGRAM (top view) TO-220 D2PAK P2PAK D 2PAK/A P2PAK/A * Not connected for fixed version. APPLICATION CIRCUIT R1 VO = VREF (1 + ) R2 * Only for version with inhibit function. 3/17 LD29300 SERIES ELECTRICAL CHARACTERISTICS OF LD29300#15 (IO = 10mA, TJ = 25°C, VI = 3.5V, VINH = 2V (Note 2), CI = 330nF, C O = 10µF, unless otherwise specified) Symbol Parameter Test Conditions VI Minimum Operating Input Voltage IO = 10mA to 3A TJ = -40 to 125°C VO Output Voltage IO = 10mA to 3A, VI = 3 to 7V TJ = -40 to 125°C Min. Typ. Max. 2.5 1.485 1.47 Unit V 1.5 1.515 1.53 V ∆VO Load Regulation IO = 10mA to 3A 0.2 1.0 % ∆VO Line Regulation VI = 3 to 13V 0.06 0.5 % SVR Supply Voltage Rejection f = 120 Hz, VI = 3.5 ± 1V, IO = 1.5A (Note 1) IO = 1.5A, TJ = -40 to 125°C TJ = -40 to 125°C IO = 3A, Iq Quiescent Current VI = 13V, VINH = GND 65 TJ = -40 to 125°C Isc Short Circuit Current VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 2) TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 2) TJ = -40 to 125°C 75 dB 20 50 45 100 130 180 4.5 IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz 0.8 V V 5 IO = 100mA µA A 2 VINH = 13V mA 10 60 µA µVRMS NOTE 1: Guaranteed by design. NOTE 2: Only for version with Inhibit function. ELECTRICAL CHARACTERISTICS OF LD29300#18 (IO = 10mA, TJ = 25°C, VI = 3.8V, VINH = 2V (Note 3), C I = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 3 to 7.3V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 3 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 3.8 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Short Circuit Current Typ. Max. Unit 1.782 1.764 1.8 1.818 1.836 V 0.2 1.0 % 0.06 0.5 62 dB 0.1 V TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 45 100 130 180 TJ = -40 to 125°C VI - VO = 5.5V 0.7 4.5 VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz VINH = 13V IO = 100mA % 72 IO = 1.5A, VI = 13V, VINH = GND Isc Min. mA µA A 0.8 2 V V 5 60 10 µA µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. 4/17 LD29300 SERIES ELECTRICAL CHARACTERISTICS OF LD29300#25 (IO = 10mA, TJ = 25°C, VI = 4.5V, VINH = 2V (Note 3), C I = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 3.5 to 8V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 3.5 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 4.5 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Min. Typ. Max. Unit 2.475 2.45 2.5 2.525 2.55 V 0.2 1.0 % 0.06 0.5 55 % 70 dB 0.1 V IO = 1.5A, TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 45 100 130 180 µA 0.8 V 10 µA Isc Short Circuit Current VI = 13V, VINH = GND VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz TJ = -40 to 125°C 0.7 4.5 A 2 VINH = 13V V 5 IO = 100mA mA 100 µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. ELECTRICAL CHARACTERISTICS OF LD29300#33 (IO = 10mA, TJ = 25°C, VI = 5.3V, VINH = 2V (Note 3), C I = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 4.3 to 8.8V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 4.3 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 5.3 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Min. Typ. Max. Unit 3.267 3.234 3.3 3.333 3.366 V 0.2 1.0 % 0.06 0.5 52 dB 0.1 V IO = 1.5A, TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 45 100 130 180 VI = 13V, VINH = GND TJ = -40 to 125°C Isc Short Circuit Current VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C 0.7 4.5 IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz VINH = 13V IO = 100mA % 67 mA µA A 0.8 2 V V 5 132 10 µA µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. 5/17 LD29300 SERIES ELECTRICAL CHARACTERISTICS OF LD29300#50 (IO = 10mA, TJ = 25°C, VI = 7V, VINH = 2V (Note 3), C I = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 6 to 10.5V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 6 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 7 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Min. Typ. Max. Unit 4.95 4.9 5 5.05 5.1 V 0.2 1.0 % 0.06 0.5 49 % 64 dB 0.1 V IO = 1.5A, TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 45 100 130 180 µA 0.8 V 10 µA Isc Short Circuit Current VI = 13V, VINH = GND VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz TJ = -40 to 125°C 0.7 4.5 A 2 VINH = 13V V 5 IO = 100mA mA 200 µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. ELECTRICAL CHARACTERISTICS OF LD29300#80 (IO = 10mA, TJ = 25°C, VI = 10V, VINH = 2V (Note 3), CI = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 9 to 13V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 9 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 9 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Min. Typ. Max. Unit 7.92 7.84 8 8.08 8.16 V 0.2 1.0 % 0.06 0.5 45 dB 0.1 V IO = 1.5A, TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 45 100 130 180 VI = 13V, VINH = GND TJ = -40 to 125°C Isc Short Circuit Current VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C 0.7 4.5 IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz VINH = 13V IO = 100mA % 59 mA µA A 0.8 2 V V 5 320 10 µA µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. 6/17 LD29300 SERIES ELECTRICAL CHARACTERISTICS OF LD29300#90 (IO = 10mA, TJ = 25°C, VI = 11V, VINH = 2V (Note 3), CI = 330nF, CO = 10µF, unless otherwise specified) Symbol VO ∆VO Parameter Test Conditions Output Voltage IO = 10mA to 3A, VI = 10 to 13V TJ = -40 to 125°C Load Regulation IO = 10mA to 3A ∆VO Line Regulation VI = 10 to 13V SVR Supply Voltage Rejection f = 120 Hz, VI = 11 ± 1V, IO = 1.5A (Note 1) IO = 500mA, TJ = -40 to 125°C (Note 2) VDROP Iq Dropout Voltage Quiescent Current Min. Typ. Max. Unit 8.91 8.82 9 9.09 9.18 V 0.2 1.0 % 0.06 0.5 45 % 58 dB 0.1 V IO = 1.5A, TJ = -40 to 125°C (Note 2) 0.2 IO = 3A, TJ = -40 to 125°C (Note 2) 0.4 IO = 1.5A, TJ = -40 to 125°C 20 50 IO = 3A, TJ = -40 to 125°C 50 100 130 180 µA 0.8 V 10 µA Isc Short Circuit Current VI = 13V, VINH = GND VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz TJ = -40 to 125°C 0.7 4.5 A 2 VINH = 13V V 5 IO = 100mA mA 360 µVRMS NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V applied to VI. NOTE 3: Only for version with Inhibit function. ELECTRICAL CHARACTERISTICS OF LD29300#ADJ (IO = 10mA, TJ = 25°C, VI = 3.23 V, VINH = 2V (Note 3), C I = 330nF, CO = 10µF adjust pin tied to output) Symbol VI Parameter Test Conditions Min. Typ. Max. Unit Minimum Operating Input Voltage IO = 10mA to 3A TJ = -40 to 125°C ∆VO Load Regulation IO = 10mA to 3A 0.2 1.0 % ∆VO Line Regulation VI = 2.5 V to 13V 0.06 0.5 % VREF Reference Voltage IO = 10mA to 3A, VI = 2.5 to 4.5V TJ = -40 to 125°C (Note 2) -1% -2% 1.23 +1% +2% V SVR Supply Voltage Rejection f = 120 Hz, VI = 3.23 ± 1V, IO = 1.5A (Note 1) IO = 1.5A, TJ = -40 to 125°C TJ = -40 to 125°C IO = 3A, 65 75 Iq Quiescent Current 2.5 Adjust Pin Current TJ = -40 to 125°C VI = 13V, VINH = GND TJ = -40 to 125°C (Note 1) Isc Short Circuit Current VI - VO = 5.5V VIL Control Input Logic Low OFF MODE, (NOTE 3) TJ = -40 to 125°C VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C IADJ IINH Control Input Current TJ = -40 to 125°C eN Output Noise Voltage BP = 10Hz to 100KHz VINH = 13V IO = 100mA V 20 dB 50 mA 45 100 130 180 µA 1 µA 4.5 A 0.8 2 V V 5 50 10 µA µVRMS NOTE 1: Guaranteed by design. NOTE 2: Reference Voltage is measured between output and GND pin, with ADJ PIN tied to VOUT. NOTE 3: Only for version with Inhibit function. 7/17 LD29300 SERIES TYPICAL CHARACTERISTICS (CI = 330nF, C O = 10µF) Figure 1 : Output Voltage vs Temperature Figure 4 : Quiescent Current vs Output Current Figure 2 : Dropout Voltage vs Temperature Figure 5 : Quiescent Current vs Output Current Figure 3 : Dropout Voltage vs Output Current Figure 6 : Quiescent Current vs Supply Voltage 8/17 LD29300 SERIES Figure 7 : Quiescent Current vs Temperature Figure 10 : Supply Voltage Rejection vs Temperature Figure 8 : Quiescent Current vs Temperature Figure 11 : Stability vs CO Figure 9 : Short Circuit Current vs Temperature Figure 12 : Line Transient VI=3.5 to 5.5V, I LOAD=10mA, VO=2.5V, CO=10µF 9/17 LD29300 SERIES Figure 13 : Load Transient VI=4.5V, I O=10mA to 3A, VO=2.5V, C O=47µF 10/17 LD29300 SERIES TO-220 MECHANICAL DATA DIM. mm. MIN. TYP inch MAX. MIN. TYP. MAX. A 4.40 4.60 0.173 0.181 C 1.23 1.32 0.048 0.051 D 2.40 2.72 0.094 0.107 D1 1.27 0.050 E 0.49 0.70 0.019 0.027 F 0.61 0.88 0.024 0.034 F1 1.14 1.70 0.044 0.067 F2 1.14 1.70 0.044 0.067 G 4.95 5.15 0.194 0.203 G1 2.4 2.7 0.094 0.106 H2 10.0 10.40 0.393 0.409 L2 16.4 0.645 L4 13.0 14.0 0.511 0.551 L5 2.65 2.95 0.104 0.116 L6 15.25 15.75 0.600 0.620 L7 6.2 6.6 0.244 0.260 L9 3.5 3.93 0.137 0.154 DIA. 3.75 3.85 0.147 0.151 P011C 11/17 LD29300 SERIES D2PAK MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. MIN. TYP. MAX. A 4.4 4.6 0.173 0.181 A1 2.49 2.69 0.098 0.106 A2 0.03 0.23 0.001 0.009 B 0.7 0.93 0.027 0.036 B2 1.14 1.7 0.044 0.067 C 0.45 0.6 0.017 0.023 C2 1.23 1.36 0.048 0.053 D 8.95 9.35 0.352 0.368 10.4 0.393 D1 E 8 10 E1 0.315 8.5 0.409 0.335 G 4.88 5.28 0.192 0.208 L 15 15.85 0.590 0.624 L2 1.27 1.4 0.050 0.055 L3 1.4 1.75 0.055 0.068 M 2.4 3.2 0.094 R V2 0.4 0˚ 0.126 0.016 8˚ 0˚ 8˚ P011P6G 12/17 LD29300 SERIES P2PAK MECHANICAL DATA mm. inch DIM. MAX. MIN. A MIN. 4.30 4.80 0.169 0.188 A1 2.40 2.80 0.094 0.110 A2 0.03 0.23 0.001 0.009 b 0.80 1.05 0.031 0.041 c 0.45 0.60 0.017 0.023 c2 1.17 1.37 0.046 0.053 D 8.95 9.35 0.352 0.368 D2 E TYP 8 10.00 E1 TYP. MAX. 0.315 10.40 0.393 8.5 0.409 0.334 0.409 e 3.20 3.60 0.126 0.142 e1 6.60 7.00 0.260 0.275 L 13.70 14.50 0.539 0.571 L2 1.25 1.40 0.049 0.055 L3 0.90 1.70 0.035 0.067 L5 1.55 2.40 0.061 0.094 8˚ 0˚ R V2 0.40 0˚ 0.016 8˚ 7226255/B 13/17 LD29300 SERIES D2PAK/A MECHANICAL DATA mm. inch DIM. MIN. 14/17 TYP MAX. MIN. TYP. MAX. A 4.40 4.60 0.173 0.181 A1 2.49 2.69 0.098 0.106 B 0.7 0.93 0.027 0.036 B2 1.14 1.7 0.044 0.067 C 0.45 0.60 0.017 0.023 C2 1.21 1.36 0.047 0.053 D 8.95 9.35 0.352 0.368 E 10 10.4 0.393 0.409 G 4.88 5.28 0.192 0.208 L 15 15.85 0.590 0.106 L2 1.27 1.4 0.050 0.055 LD29300 SERIES P2PAK/A MECHANICAL DATA mm. inch DIM. MAX. MIN. A MIN. 4.30 4.80 0.169 0.188 A2 0.03 0.23 0.001 0.009 C 1.17 1.37 0.046 0.053 D 2.40 2.80 0.094 0.110 D1 8.95 9.35 0.352 0.368 E 0.45 0.60 0.017 0.023 F 0.80 1.05 0.031 0.041 G 3.20 3.60 0.126 0.142 G1 6.60 7.00 0.260 0.275 H1 TYP 8.5 TYP. 0.334 MAX. 0.409 H2 10.00 10.40 0.393 0.409 L 15 15.85 0.590 0.624 L1 8 0.315 L2 1.27 1.40 0.050 0.055 M 2.4 3.2 0.094 0.126 R V2 0.40 0˚ 0.016 8˚ 0˚ 8˚ 7157127/A 15/17 LD29300 SERIES Tape & Reel D2PAK-P 2PAK-D 2PAK/A-P 2PAK/A MECHANICAL DATA mm. inch DIM. MIN. TYP A MIN. TYP. 180 13.0 13.2 MAX. 7.086 C 12.8 D 20.2 0.795 N 60 2.362 T 16/17 MAX. 0.504 0.512 14.4 0.519 0.567 Ao 10.50 10.6 10.70 0.413 0.417 0.421 Bo 15.70 15.80 15.90 0.618 0.622 0.626 Ko 4.80 4.90 5.00 0.189 0.193 0.197 Po 3.9 4.0 4.1 0.153 0.157 0.161 P 11.9 12.0 12.1 0.468 0.472 0.476 LD29300 SERIES Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. 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