 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| qA8181SLB Series A8181SLB Series Allegro Microsystems, INC. product Surface-Mount, Low Circuit Current, Low Dropout Voltage Dropper Type sFeatures * Surface-mount package * Output current: 0.5A * Low circuit current Iq120A (Output ON) Iq(off)20A(Output OFF) * Low dropout voltage: VDIF0.3V (at IO=0.5A) * Output ON/OFF control terminal is compatible with LS-TTL. * Built-in thermal protection circuit sApplications * Portable phones and PHS telephones * Battery-driven electronic equipment sAbsolute Maximum Ratings Parameter DC Input Voltage DC Output Current Power Dissipation Junction Temperature Ambient Operating Temperature Storage Temperature Symbol VIN IO PD Tj Top Tstg Ratings 10 0.6 1.9(TC=25C) +150 -20 to +85 -40 to +150 Unit V A W C C C (Ta=25C) 12 qA8181SLB Series sElectrical Characteristics Ratings Parameter Input Voltage Output Voltage Dropout Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Circuit Current Quiescent Circuit Current Control Voltage (Output ON) Control Voltage VC Terminal* Input Current (Output OFF) Symbol typ. VIN VO Conditions VDIF Conditions VOLINE Conditions VOLOAD Conditions VO/Ta Conditions Iq Conditions Iq(off) Conditions VO(off) Conditions VC. OL Conditions IC Conditions IC Conditions * Output is OFF when output ON/OFF terminal is open. -1.0 Ta=85C -0.1 Ta=25C VIN=10V, Ta=-20 to +85C 2.4 VIN=10V, Ta=-20 to +85C IO=0.5A 10 VIN=5.5 to 10V, IO=0A 50 VIN=6V, IO=0 to 0.5A 0.5 Tj=-20 to +85C 92 VIN=10V, IO=0 to 0.5A 10 VIN=10V, IO=0A, VC=0.4V 4.85 5.00 VIN=5.5 to 10V, IO=0 to 0.5A, Ta=-20 to +85C A8181SLB min. (Ta=25C unless otherwise specified) Unit max. 10 5.15 0.3 30 100 1.0 120 20 V V V mV mV mV/C A A V 0.4 +0.1 +1.0 V A A sOutline Drawing (unit: mm) 10.10/10.50 16 15 14 13 12 11 10 9 0.23/0.32 0 TO 8 a. Part Number b. Lot Number q w e r t y u i NC NC NC GND GND VC VIN VIN o !00 !11 !2 !3 !4 !5 !6 NC NC NC GND GND NC VO VO IDENTIFICATION LEAD No.1 a 7.4/7.6 10.00/10.65 b 0.40/1.27 12345678 1.27typ 0.33/0.46 2.35/2.65 0.10 MIN. SEATING PLANE Connect VIN terminals (pin 7,8) and VO terminals (pin 15,16) externally. 13 qA8181SLB Series sBlock Diagram VIN u VIN i Reg. VC y ENABLE TSD VREF Drive Amp. !5 VO !6 VO NC q,w,e,o,!0,!1,!4 GND 4,5,12,13 sStandard External Circuit 7 8 VIN VIN 6 VC Battery 15 VO *1 C1 VO 16 GND 4, 5, 12, 13 +2 * C0 LOAD *1 C1: Oscillation prevention capacitor (Approx. 0.33F) *2 C2: Output capacitor (Approx. 4.7F) sTa-PD Characteristics 2.5 Power Dissipation PD (W) 2.0 1.5 1.0 0.5 0 -20 0 25 50 75 100 Ambient Temperature Ta (C) PD=IO*[VIN(mean)-VO] 14 qA8181SLB Series sTypical Characteristics (Ta=25C) IO vs. VDIF Characteristics 0.5 Circuit Current 150 Rise Characteristics 6 Dropout Voltage VDIF (V) 0.4 125 5 Output Voltage VO (V) Circuit Current Iq (A) 75 IO =0 A 0.2 IO= 0.5 A 3 50 2 0.1 25 1 0 0 0.1 0.2 0.3 0.4 0.5 0 0 1 2 3 4 5 6 7 8 9 10 0 0 1 2 IO= 0A 3 IO= 0.3 4 0.5 A 100 4 5 6 7 8 9 10 Output Current IO (A) Input Voltage VIN (V) Input Voltage VIN (V) 15 |
Price & Availability of A8181SLB
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |