Datasheet L78 (STMicroelectronics) - 10
| 制造商 | STMicroelectronics |
| 描述 | Positive voltage regulator ICs |
| 页数 / 页 | 55 / 10 — L78. Electrical characteristics. Table 7. Electrical characteristics of … |
| 文件格式/大小 | PDF / 3.3 Mb |
| 文件语言 | 英语 |
L78. Electrical characteristics. Table 7. Electrical characteristics of L7812A. Symbol. Parameter. Test conditions. Min. Typ. Max. Unit
该数据表的模型线
- L7805ABD2T-TR L7805ABP L7805ABV L7805ABV-DG L7805ACD2T-TR L7805ACV L7805ACV-DG L7805CD2T-TR L7805CDT-TR L7805CP L7805CV L7805CV-DG L7806ABD2T-TR L7806CD2T-TR L7808ABD2T-TR L7808CD2T-TR L7809ABD2T-TR L7809CD2T-TR L7812ABD2T-TR L7812ABV L7812ABV-DG L7812ACD2T-TR L7812ACV L7812ACV-DG L7812CD2T-TR L7812CP L7812CV L7812CV-DG L7815ABD2T-TR L7815ABV L7815ABV-DG L7815ACD2T-TR L7815ACV L7815ACV-DG L7815CD2T-TR L7815CP L7815CV L7815CV-DG L7824ABV L7824ABV-DG L7824CD2T-TR L7824CP L7824CV L7824CV-DG
文件文字版本
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L78 Electrical characteristics
VI = 19 V, IO = 1 A, TJ = 0 to 125 °C (L7812AC), TJ = -40 to 125 °C (L7812AB), unless otherwise specified.
Table 7. Electrical characteristics of L7812A Symbol Parameter Test conditions Min. Typ. Max. Unit
VO Output voltage TJ = 25 °C 11.75 12 12.25 V VO Output voltage IO = 5 mA to 1 A, VI = 14.8 to 25 V 11.5 12 12.5 V VO Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25 °C 11.5 12 12.5 V VI = 14.8 to 30 V, IO = 500 mA, TJ = 25 °C 13 120 mV VI = 16 to 12 V 16 120 mV ∆V (1) O Line regulation VI = 16 to 12 V, TJ = 25 °C 6 60 mV VI = 14.5 to 27 V, TJ = 25 °C 13 120 mV IO = 5 mA to 1 A 25 100 ∆V (1) O Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 30 100 mV IO = 250 to 750 mA 10 50 TJ = 25 °C 4.4 6 mA Iq Quiescent current 6 mA VI = 15 to 30 V, IO = 500 mA 0.8 mA DIq Quiescent current change VI = 14.8 to 27 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz, IO = 500 mA 60 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B = 10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA.
DS0422
-
Rev 38 page 10/55
Document Outline L78 1 Diagram 2 Pin configuration 3 Maximum ratings 4 Test circuits 5 Electrical characteristics 6 Application information 6.1 Design consideration 7 Typical performance 8 Package information 8.1 TO-220 (dual gauge) package information 8.2 TO-220 (single gauge) package information 8.3 TO-220FP type A package information 8.4 TO-220 (single/dual) packing information 8.5 DPAK package information 8.6 D²PAK (SMD 2L STD-ST) type A package information 8.7 D²PAK (ASE) type B package information 8.8 D²PAK and DPAK packing information 9 Ordering information Revision history Contents List of tables List of figures
L78 Electrical characteristics
VI = 19 V, IO = 1 A, TJ = 0 to 125 °C (L7812AC), TJ = -40 to 125 °C (L7812AB), unless otherwise specified.
Table 7. Electrical characteristics of L7812A Symbol Parameter Test conditions Min. Typ. Max. Unit
VO Output voltage TJ = 25 °C 11.75 12 12.25 V VO Output voltage IO = 5 mA to 1 A, VI = 14.8 to 25 V 11.5 12 12.5 V VO Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25 °C 11.5 12 12.5 V VI = 14.8 to 30 V, IO = 500 mA, TJ = 25 °C 13 120 mV VI = 16 to 12 V 16 120 mV ∆V (1) O Line regulation VI = 16 to 12 V, TJ = 25 °C 6 60 mV VI = 14.5 to 27 V, TJ = 25 °C 13 120 mV IO = 5 mA to 1 A 25 100 ∆V (1) O Load regulation IO = 5 mA to 1.5 A, TJ = 25 °C 30 100 mV IO = 250 to 750 mA 10 50 TJ = 25 °C 4.4 6 mA Iq Quiescent current 6 mA VI = 15 to 30 V, IO = 500 mA 0.8 mA DIq Quiescent current change VI = 14.8 to 27 V, TJ = 25 °C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz, IO = 500 mA 60 dB Vd Dropout voltage IO = 1 A, TJ = 25 °C 2 V eN Output noise voltage TA = 25 °C, B = 10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 mΩ Isc Short circuit current VI = 35 V, TA = 25 °C 0.2 A Iscp Short circuit peak current TJ = 25 °C 2.2 A ∆VO/∆T Output voltage drift -1 mV/°C 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Note: Minimum load current for regulation is 5 mA.
DS0422
-
Rev 38 page 10/55
Document Outline L78 1 Diagram 2 Pin configuration 3 Maximum ratings 4 Test circuits 5 Electrical characteristics 6 Application information 6.1 Design consideration 7 Typical performance 8 Package information 8.1 TO-220 (dual gauge) package information 8.2 TO-220 (single gauge) package information 8.3 TO-220FP type A package information 8.4 TO-220 (single/dual) packing information 8.5 DPAK package information 8.6 D²PAK (SMD 2L STD-ST) type A package information 8.7 D²PAK (ASE) type B package information 8.8 D²PAK and DPAK packing information 9 Ordering information Revision history Contents List of tables List of figures