Ordering number : ENA0247 Monolithic Linear IC LA7358M For VCR SECAM Chroma Signal Processor Overview LA7358M is a VCR-use SECAM chroma signal processor. Function • 4.3MHz BPF • 1.1MHz BPF • Limiter • AGC (in PB mode) • Divide-by-four circuit • 4×circuit • 2.2MHz BPF • Automatic adjustment BELL filter • SECAM detector • Sync gate Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Symbol Conditions Ratings VCC max Pd max Ta ≤ 70°C* Unit 7.0 V 600 mW Operating temperature Topr -15 to +70 °C Storage temperature Tstg -40 to +150 °C * Mounted on a board. 114.3×76.1×1.6mm3 Glass epoxy Operating Conditions at Ta = 25°C Parameter Symbol Recommended supply voltage VCC Operating supply voltage range VCC op Conditions Ratings Unit 5.0 V 4.8 to 5.5 V ■ Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. ■ SANYO Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein. N2206 MS OT B8-5142 No.A0247-1/17 LA7358M Electrical Characteristics Ta = 25°C, VCC = 5V Parameter REC mode current drain Symbol Input Test point ICCR S16 A23 Conditions V5 = 0V, V17 = 0V, Ratings min typ Unit max 50 70 90 mA 145 180 215 mVp-p -30 -20 dB -10 -5 dB -30 -20 dB 4.243 4.286 4.329 200 250 300 -14 -11 -8 dB -14 -11 -8 dB -28 -23 -18 dB 1.0608 1.0715 1.0822 65 85 105 S29 = Comp.Sync S16 = Color bar signal (Fig.1) 4.3MHz BPF VF4C S16 T18 characteristics (1) V5 = 5V, V17 = 0V, S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 4.286MHz) 4.3MHz BPF GF4L1 S16 T18 characteristics (2) V5 = 5V, V17 = 0V, S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 1.1MHz) referenced (0dB) to VF4C. 4.3MHz BPF GF4L2 S16 T18 characteristics (3) V5 = 5V, V17 = 0V, S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 2.2MHz) referenced (0dB) to VF4C. 4.3MHz BPF GF4H S16 T18 characteristics (4) V5 = 5V, V17 = 0V, S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 7.5MHz) referenced (0dB) to VF4C. REC BELL FBLR1 S16 T22 center frequency V5 = 0V, V17 = 0V, SW22B = ON MHz S16 = sine wave (200mVp-p, f = 4 to 5MHz) S29 = Comp.Sync (Note1) REC BELL VBLRC S16 T22 charecterictics (1) V5 = 0V, V17 = 0V, SW22B = ON mVp-p S16 = sine wave (200mVp-p, f = FBLR1) S29 = Comp.Sync REC BELL GBLRL S16 T22 characteristics (2) V5 = 0V, V17 = 0V, SW22B = ON S16 = sine wave (200mVp-p, f = 3.8MHz) referenced (0dB) to VBLRC. REC BELL GBLRH S16 T22 characteristics (3) V5 = 0V, V17 = 0V, SW22B = ON S16 = sine wave (200mVp-p, f = 4.8MHz) referenced (0dB) to VBLRC. REC mode GKLR S16 T28 killer operation level V5 = 0V, V17 = 0V, SW22B = ON, V25 = 3.4V, V26 = 3.7V S16 = SECAM color bar signal (level variable) S29 = Comp.Sync (Note2) REC EQ center frequency FEQR1 S22 T12 SW1 = ON, V1 = 5V, V5 = 0V, MHz V17 = 0V S22 = sine wave (200mVp-p, f = 4to 5MHz) SW22A = SW22B = ON, S29 = Comp.Sync (Note3) REC EQ characteristics (1) VEQRC S22 T12 SW1 = ON, V1 = 5V, V5 = 0V, mVp-p V17 = 0V S22 = sine wave (200mVp-p, f = FEQR1×4) SW22A = SW22B = ON, S29 = Comp.Sync Continued on next page. No.A0247-2/17 LA7358M Continued from preceding page. Parameter REC EQ characteristics (2) Symbol Input Test point GEQRL S22 T12 Conditions SW1 = ON, V1 = 5V, V5 = 0V, Ratings min typ Unit max 8 11 14 dB 8 11 14 dB 80 110 140 mVp-p -30 -20 dB -30 -20 dB 60 80 100 mA 90 120 150 mVp-p -1 0 1 dB -1 0 1 dB -3 0 3 dB -30 -20 dB V17 = 0V S22 = sine wave (200mVp-p, f = 3.8MHz) referenced (0dB) to VEQRC. SW22A = SW22B = ON, S29 = Comp.Sync REC EQ characteristics (3) GEQRH S22 T12 SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V S22 = sine wave (200mVp-p, f = 4.8MHz) referenced (0dB) to VEQRC. SW22A = SW22B = ON, S29 = Comp.Sync REC chroma signal VOR S16 T12 output level SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V S22 = sine wave (200mVp-p, f = 4.4MHz) SW22B = ON, S29 = Comp.Sync REC chroma signal output GSR1 S16 T12 unwanted spectrum (1) SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V S22 = sine wave (200mVp-p, f = 4.4MHz) SW22B = ON, S29 = Comp.Sync Measure 2.2MHz component at T12. Referenced (0dB) to VOR. REC chroma signal output GSR2 S16 T12 unwanted spectrum (2) SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V S22 = sine wave (200mVp-p, f = 4.4MHz) SW22B = ON, S29 = Comp.Sync Measure 3.3MHz component at T12. Referenced (0dB) to VOR. PB mode current drain ICCP S14 A23 V5 = 0V, V17 = 5V, S29 = Comp.Sync S14 = sine wave (50mVp-p, f = 1.0715MHz) AGC control VAGC S14 T12 characteristics (1) V6 = 5V, SW9B = ON, V17 = 5V, S29 = Comp.Sync S14 = sine wave (50mVp-p, f = 1.0715MHz) AGC control GAGC1 S14 T12 characteristics (2) V6 = 5V, SW9B = ON, V17 = 5V, S29 = Comp.Sync S14 = sine wave (100mVp-p, f = 1.0715MHz) referenced (0dB) to VAGC. AGC control GAGC2 S14 T12 characteristics (3) V6 = 5V, SW9B = ON, V17 = 5V, S29 = Comp.Sync S14 = sine wave (25mVp-p, f = 1.0715MHz) referenced (0dB) to VAGC. 1.1MHz BPF GF1L S14 T12 characteristics (1) V6 = 5V, SW15 = ON, V15 = V15R (Note4) S14 = sine wave (50mVp-p, f = 500kHz), V17 = 5V S29 = Comp.Sync, referenced (0dB) to VAGC. 1.1MHz BPF characteristics (2) GF1H1 S14 T12 V6 = 5V, SW15 = ON, V15 = V15R (Note4) S14 = sine wave (50mVp-p, f = 2.2kHz), referenced (0dB) to VAGC. V17 = 5V, S29 = Comp.Sync Continued on next page. No.A0247-3/17 LA7358M Continued from preceding page. Parameter 1.1MHz BPF Symbol Input Test point GF1H2 S14 T12 characteristics (3) Conditions Ratings min typ Unit max -35 -25 1.0608 1.0715 1.0822 120 150 180 -14 -11 -8 dB -14 -11 -8 dB 4.243 4.286 4.329 65 85 105 mVp-p 8 11 14 dB 8 11 14 dB 130 160 190 mVp-p V6 = 5V, SW15 = ON, dB V15 = V15R(Note4) S14 = sine wave (50mVp-p, f = 3.3kHz), referenced (0dB) to VAGC. V17 = 5V, S29 = Comp.Sync PB EQ centre frequency FEQP1 S14 T9 V6 = 0V, SW9B = ON, SW15 = ON, MHz V15 = V15R (Note4), V17 = 5V S14 = sine wave (50mVp-p, f = 1 to 1.2MHz) S29 = Comp.Sync (Note5) PB EQ characteristics (1) VEQPC S14 T9 V6 = 0V, SW9B = ON, SW15 = ON, mVp-p V15 = V15R (Note4), V17 = 5V S14 = sine wave (50mVp-p, f = FEQP1) S29 = Comp.Sync PB EQ characteristics (2) GEQPL S14 T9 V6 = 0V, SW9B = ON, SW15 = ON, V15 = V15R (Note4), V17 = 5V S14 = sine wave (50mVp-p, f = 950kHz), referenced (0dB) to VEQP. S29 = Comp.Sync PB EQ charateristics (3) GEQPH S14 T9 V6 = 0V, SW9B = ON, SW15 = ON, V15 = V15R (Note4), V17 = 5V S14 = sine wave (50mVp-p, f = 1.2kHz), referenced (0dB) to VEQP. S29 = Comp.Sync PB BELL centre frequency FBLP1 S9 T18 SW1 = ON, V1 = 5V, V5 = 0V, MHz SW9A = SW9B = ON, V17 = 5V S29 = Comp.Sync S9 = sine wave (200mVp-p, f = 1 to 1.2MHz) (Note6) PB BELL characteristics (1) VBLPC S9 T18 SW1 = ON, V1 = 5V, V5 = 0V, SW9A = SW9B = ON, V17 = 5V S10 = sine wave (200mVp-p, f = FBLP1×1/4) S29 = Comp.Sync PB BELL characteristics (2) GBLPL S9 T18 SW1 = ON, V1 = 5V, V5 = 0V, SW9A = SW9B = ON, V17 = 5V S9 = sine wave (200mVp-p, f = 950kHz), referenced (0dB) to VBLPC. S29 = Comp.Sync PB BELL characteristics (3) GBLPH S9 T18 SW1 = ON, V1 = 5V, V5 = 0V, SW9A = SW9B = ON, V17 = 5V S9 = sine wave (200mVp-p, f = 1.2kHz), referenced (0dB) to VBLPC. S29 = Comp.Sync PB chroma signal output level VOP S14 T18 SW1 = ON, V1 = 5V, V5 = V6 = 0V, V17 = 5V S14 = sine wave (50mVp-p, f = 1.1MHz) SW9B = ON, S29 = Comp.Sync Continued on next page. No.A0247-4/17 LA7358M Continued from preceding page. Parameter PB chroma signal output Symbol Input Test point GSP1 S14 T18 unwanted spectrum (1) Conditions Ratings min typ Unit max -25 -15 dB -20 -10 dB 100 200 800 mVp-p 1.8 2 2.2 V -0.3 0.2 0.7 µs 1.5 2 2.5 µs 4.5 5.0 5.5 µs (Note8) 10 20 30 kΩ SW1 = ON, V5 = 0V, SW9B = ON, 1.5 2 2.5 µs 4.5 5.0 5.5 µs 6.4 6.55 6.7 µs 2.3 2.5 2.7 µs 7 10 13 kΩ SW1 = ON, V1 = 5V, V5 = 0V, V17 = 5V S14 = sine wave (50mVp-p, f = 1.1MHz) SW9B = ON, S29 = Comp.Sync Measure 2.2MHz component at T18. Referenced (0dB) to VOP. PB chroma signal output GSP2 S14 T18 unwanted spectrum (2) SW1 = ON, V1 = 5V, V5 = 0V, V17 = 5V S14 = sine wave (50mVp-p, f = 1.1MHz) SW9B = ON, S29 = Comp.Sync Measure 3.3MHz component at T18. Referenced (0dB) to VOP. CLK input level VCLK S2 Sync signal input VTHS S29 TRGB S29 f = 4.433619MHz threshold level REC mode sync gate T12 start time (MUTE OFF) SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V, S16 = sine wave (200mVp-p, 4.286MHz) SW22B = ON, S29 = Comp.Sync (Note7) REC mode sync gate TRGBM S29 T12 start time (MUTE ON) SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V, S16 = sine wave (200mVp-p, 4.286MHz) SW22B = ON, S29 = Comp.Sync (Note7) SW2 = ON REC mode sync gate TRGE S29 T12 release time SW1 = ON, V1 = 5V, V5 = 0V, V17 = 0V, S16 = sine wave (200mVp-p, 4.286MHz) SW22B = ON, S29 = Comp.Sync (Note7) SW2 = ON REC mode VTSP2 S16 T18 TPGB S29 T18 mute setting resistance PB mode sync gate start time S14 = sine wave (50mVp-p, f = 1.0715MHz) V17 = 5V, S29 = Comp.Sync (Note9) PB mode sync gate TPGE S29 T18 release time SW1 = ON, V5 = 0V, SW9B = ON, S14 = sine wave (50mVp-p, f = 1.0715MHz) V17 = 5V, S29 = Comp.Sync (Note9) BGP start time TBGB S29 T28 V5 = 0V, V6 = 5V, SW22B = ON, V17 = 0V S29 = Comp.Sync (Note10) BGP width TBGW S29 T28 V5 = 0V, V6 = 5V, SW22B = ON, V17 = 0V S29 = Comp.Sync (Note10) SECAM detection output R28 T28 SW27 = ON, V27 = 5V (Note11) resistance REC mode VSCMR1 S16 T28 V5 = 0V, V17 = 0V, SW22B = ON, SECAM detection S29 = Comp.Sync characteristics (1) S16 = SECAM color bar signal 4.5 V (Note12) REC mode VSCMR2 S16 T28 SECAM detection characteristics (2) PB mode phase detection output differential voltage (1) V5 = 0V, V17 = 0V, SW22B = ON, 0.5 V S29 = Comp.Sync S16 = PAL color bar signal (Note13) VSCPD1 S14 T25 V5 = 0V, SW9B = ON, V17 = 5V, T26 S29 = Comp.Sync S14 = sine wave 150 180 mV (50mVp-p, f = 1.0625/1.1016MHz) (Note14) Continued on next page. No.A0247-5/17 LA7358M Continued from preceding page. Parameter PB mode phase detection Symbol Input VSCPD2 S14 output differential voltage (2) Test point Conditions T25 V5 = 0V, SW9B = ON, V17 = 5V, T26 S29 = Comp.Sync Ratings min typ Unit max 100 mV 100 mV S14 = sine wave (50mVp-p, f = 627kHz) (Note14) PB mode phase detection VSCPD3 S14 output differential voltage (3) T25 V5 = 0V, SW9B = ON, 17 = 5V, T26 S29 = Comp.Sync S14 = sine wave (50mVp-p, f = 0.7/1.04MHz) (Note14) PB mode SECAM detection VSCMP1 characteristics (1) PB mode SECAM detection VSCMP2 V25 VSCMP3 V25 T28 V27 VTRP V17 VTHSM V1 4.5 V V17 = 5V, SW25 = SW26 = ON 0.5 V 0.5 V (Note15) T28 V26 VTCOMP V17 = 5V, SW25 = SW26 = ON (Note15) V26 characteristics (3) SECAM T28 V26 characteristics (2) PB mode SECAM detection V25 V17 = 5V, SW25 = SW26 = ON (Note15) T28 SW27 = ON 3.2 3.5 3.8 V 2.3 2.5 2.7 V 4 V detection comparator threshold voltage REC/PB control threshold voltage Forced SECAM mode T18 threshold voltage V17 = 0V, SW27 = ON, V27 = 3V S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 4.286MHz) Forced MUTE mode VTHMM V1 T18 threshold voltage V17 = 0V, SW27 = ON, V27 = 4V 1 V S29 = Comp.Sync S16 = sine wave (200mVp-p, f = 4.286MHz) Reference voltage VREG V13 T13 4.1 4.3 4.5 V No.A0247-6/17 LA7358M Package Dimensions unit : mm 3273C 15.2 0.65 7.9 16 10.5 30 0.4 15 0.25 0.1 (2.25) 1.0 2.45max 1 (0.6) SANYO : MFP30SD(375mil) Block Diagram and Application Circuit Example No.A0247-7/17 LA7358M Pin equivalent circuit Pin No. Pin name Function DC voltage 1 MODE IN 2.5V 2 CLK IN 4.0V 3 AFC-FILTER 3.5V 4 BGP TIMING 1 to 5V 5 DET SENSE An adjusting sensitivity terminal Add DC voltage Signal wave form Equivalent circuit DC DC DC of 2V to 4V. for SECAM detecting circuit. VCO OUT TEST MODE 4.9V (TEST mode: connect 1kΩ between VCC.) TEST CTL 6 SH3 A setting terminal Add DC voltage for TEST mode. of 4.5V to VCC. A terminal for 3.1V DC DC holdinglimiter voltage of phase detection output of SECAM detection. Continued on next page. No.A0247-8/17 LA7358M Continued from preceding page. Pin No. Pin name 7 D-GND 8 A-GND 9 BELL1 Function DC voltage Signal wave form Equivalent circuit 0V 0V A terminal for 2.5V connecting filter of current Amp. Operate in PB mode A terminal for 2.5V connecting filter of voltage Amp. Operate in REC mode Operate during 2.5V automatic adjusting BELL-filter (a part of V period). 10 VREF1 Occur voltage in PB 2.5V DC 2.3V DC mode and BELL-filter automatic adjusting mode. 11 IREF1 Setting reference current (Adjusting gain of BELL-filter output) 12 REC-OUT REC : 2.5V PB : OPEN Continued on next page. No.A0247-9/17 LA7358M Continued from preceding page. Pin No. 13 Pin name REG-4.2V Function A terminal of DC voltage 4.2V Signal wave form Equivalent circuit DC reference voltage output. 14 PB-IN 15 AGC-FILTER 2.5V PB MODE VCC/2 ±VBE DC REC MODE KILLER-FILTER 16 REC-IN 17 PB/REC mode 18 PB-OUT 2.5V VTH=VCC/2 selecting control 0 to VCC DC B : 2.5V REC : OPEN 19 LIM-EXC 2.3V DC Continued on next page. No.A0247-10/17 LA7358M Continued from preceding page. Pin No. 20 Pin name IREF4 Function Setting reference DC voltage Signal wave form 2.3V DC 2.5V DC Equivalent circuit current (adjusting gain of BELL-filter output). 21 VREF4 Occur voltage in PB mode and BELL-filter automatic adjusting mode. 22 BELL4 A terminal for (REC mode) connecting filter of 2.5V current Amp. Operate in REC mode Operate in PB mode 2.5V a terminal for connecting filter of voltage Amp. Operate during 2.5V adjusting automatic BELL-filter (a part of V period). 23 A-VCC 5V DC 24 G-VCC 5V DC 25 SHC1 2.5V DC A terminal of sample & HOLD. (when connecting condensor) Continued on next page. No.A0247-11/17 LA7358M Continued from preceding page. Pin No. 26 Pin name SHC2 Function A terminal of sample DC voltage 2.5V & HOLD. 27 DETC 28 SECAM DET Operate except in OUT TEST mode. Signal wave form Equivalent circuit DC (when connecting condensor) 2 to 5V DC 0 to 5V (Generally) 29 BGP MONITOR Operate in TEST (TEST mode) mode. SYNC IN Threshold voltage 2.0V 30 RC DELAY 0 to 5V No.A0247-12/17 LA7358M Test Circuits No.A0247-13/17 LA7358M Supplemental Description (Note 1) REC mode BELL centre frequency (1) (FBLR1) / (2) (FBLR2) : Input a sine wave (200mVp-p, 4 to 5MHz) to S16 and measure the amplitude at pin 22 using an FET probe. Assign to FBLR1 / FBLR2 the frequency at S16 when the amplitude is maximized. (Note 2) REC mode killer operating level (GKLR) : Input a color bar signal (Fig. 1) to S16 and take 0dB as the color signal level. Gradually decrease the color signal level at S16 and assign to GKLR [dB] the level at S16 when the voltage at T28 becomes 2.5V or less, provided that the sync signal at pin 29 lags that at S16 by 1.1µs. SECAM stabdard color bar signal (75%) DR S16 DB 4.40625MHz 214.5mVp-p 4.25MHz 166.7mVp-p 1.1µs S29 Fig.1 (Note 3) REC EQ centre frequency (1) (FEQR2) / (2) (FEQR2) : Observe the waveform at T12 when S22 = sine wave (200mVp-p, 4 to 5MHz) is input and assign to FBLR1 / FBLR2 the frequency at T12 when the amplitude is minimized. (Note 4) Assign to V15R the voltage at the time of VAGC measurement. (Note 5) PB EQ centre frequency (1) (FEQP1) / (2) (FEQP2) : Input a sine wave (50mVp-p, 1 to 1.2MHz) to S14 and assign to FEQP1 / FEQP2 the frequency at S14 when the signal level is maximized. (Note 6) PB BELL centre frequency (1) (FBLP1) / (2) (FBLP2) : Input a sine wave (200mVp-p, 1 to 1.2MHz) to S9 and assign to FBQP1 / FBQP2 the frequency at T18 when the signal level at T9 is minimized. No.A0247-14/17 LA7358M (Note 7) REC mode sync gate start time, release time (TRGB, TRGBM, TRGE) : Input Comp. sync to S29 and take the sync gate start time (TRGB) as the time from when the signal at T12 attenuates until the signal at S29 rises and the sync gate release time (TRGE) as the time from when take TRGBM as the sync gate start time when muting in turned on with a resistor connected to GND at SW2 = ON. (See Fig. 2) 64µs S29 C.SYNC TRGB TRGE T12 (MUTE OFF) TRGB T12 (MUTE ON) Fig.2 REC mode sync gate timing (Note 8) REC mode mute setting resistance : R2 value used to set T12 (MUTE-SW ON) state in REC mode in Fig.2. (Note 9) PB mode sync gate start time, release time (TRGB, TPGE) : Input Comp.sync to S29 and take the sync gate start time (TRGB) as the time from when the signal at T18 attenuates until the horizontal sync signal rises until the signal at T18 starts increasing. 64µs S29 C.SYNC TPGB T12 (PB-OUT) TPGE Fig.3 Sync gate timing No.A0247-15/17 LA7358M (Note 10) BGP start time, BGP width. (See Fig. 4) S29 C.SYNC TBGW TBGB T28 (BGP-OUT) 1V Fig.4 BGP timing R28 (Note 11) Assign to V28 as when generating 100µA of current from pin 28 by adding 5V to pin 27 and take "H" as detection output at pin 28 is : R28 = 5 - V28 VCC 28 100×10-5 Fig.5 (Note 12) The sync signal at pin 29 must lag the SECAM color bar signal synchronization by 1.1µs. (See Fig. 1) (Note 13) The sync signal at pin 29 must lag the PAL color bar signal synchronization by 1.1µs. (See Fig. 6) PAL color bar signal 100% S16 1Vp-p 1.1µs 4.433619MHz 21.5% S29 Fig.6 No.A0247-16/17 LA7358M (Note 14) PB mode phase detection output differential voltage : VSAPD1: Assign to VPD1 the DC voltage at pin 25 when a sine wave of 1.0625MHz is input to pin 14 and VPD2 the DC voltage at pin 26 when a sine wave of 1.1016MHz is input. VSCPD1 = VPD2-VPD1 VSAPD2: Assign to VPD3 and VPD4 the voltage at pin 25 and pin 26, respectively, when a sine wave of 627kHz is input to pin 14. VSCPD2 = VPD4-VPD3 VSCPD3: Assign to VPD5 the DC voltage at pin 25 when a sine wave of 3.7MHz is input to pin 14 and VPD6 the DC voltage at pin 26 when a sine wave of 1.04MHz is input. VSCPD3 = VPD6-VPD5 (Note 15) PB mode SECAM detection characteristics VSCMP1/VSCMP2 : SCMP1: Apply the above-mentioned VPD1 and VPD2 to pin 25 and pin 26, respectively and then measure the voltage at T28. VSCMP2: Apply the above-mentioned VPD3 and VPD4 to pin 25 and pin 26, respectively and then measure the voltage at T28. Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, of otherwise, without the prior written permission of SANYO Semiconductor Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of November, 2006. Specifications and information herein are subject to change without notice. PS No.A0274-17/17