.2416 KIA431BM 43B Shunt Regulator 0.5 2.5~36 43A Shunt Regulator 1 2.5~36 KIA431M 43C Shunt Regulator 2.2 2.5~36 KIA431BM2 43E Shunt Regulator 0.5 2.5~36 43D Shunt Regulator 1 2.5~36 43F Shunt Regulator 2.2 2.5~36 0.40TYP SOT-89 0.75Min ** A-Type (Note1) KIA431AM 0.5+0.15 -0.1 2.5 _+0.2 2.9 _+0.2 TSM 0.95 0.60 0.70 _+0.05 1.9_+0.2 1.9 _+ 0.2 TSV KIA431M2 Note) * : Under development Note2) ** A-Type : 1. Cathode 2. Ref 3. Anode B-Type : 1. Ref 2. Cathode 3. Anode 3 1 2 96 http://www.keccorp.com 0.70 _+ 0.05 0.55 _ 0.16 + 0.05 0.4_+ 0.1 0.95 2.9 _+ 0.2 0.13 +0.1 -0.05 2.4 +0.3 -0.2 SOT-23 ** B-Type (Note2) 0.16 _+0.05 0.4_+0.1 2.93 _+ 0.2 KIA431AM2 4.25Max 0.45 +0.15 -0.1 0.25 2.2 +0.25 -0.15 Shunt Regulator 1.5 _+0.1 - 2.3 1.6 +_0.2 KIA431 1.7Max 1.2416 4.7Max 1.75Max 1.5 2.8+0.2 -0.3 Shunt Regulator 0.55Max 2.8 +0.2 -0.3 1.6 +0.2 -0.1 - 0.60 KIA2431P 3.7Max 0.45Max 1.27 0.5 0.25 Shunt Regulator 0.55 0.95 1.90 1.0+0.2 -0.1 1.3Max 0.2MIN - 0.45 * KIA2431BP +0.25 -0.15 2.536 0.55 0.5 1

431B TOP KIA431F 3A , VIEW KIA43 1 AF SOT-89 3B L | L_| KIA431BF 3C 2 2 | KIA431T 43C KIA43 LAT TSV BA . A-Type: 1. Cathode 2. Ref 3. Anode Bipeet 2 5~36 zoe B-Type: 1. Ref 2. Cathode 3. Anode KIA431S , 43C KIA431AS TSM 4BA KIA431BS 43B KIA431M 43C SOT-23 KIA431AM 4BA (A-Type) KIA431BM 43B KIA431M2 43F KIA431AM2 sore 43D (B-Type) KIA431BM2 43E * KIA43 1 BT (Tolerance : 0.5% , TSV package) : Under Development 2012. 3. 20 Revision No : 16 KEC 1/8KIA431 Series BLOCK DIAGRAM Reference (R) ORDERING INFORMATION KIA431 O-O0O J" 4 Pb-Free / Halogen-Free / Anode (A) Cathode (KX) Paeking Specification Pin configuration (SOT-23 Only) I Package code Veer Tolerance code Reference (R) Cathode (K) Anode (A) Vier Tolerance code Package Code Pin Configuration (SOT-23 Only) Pb-Free / Halogen-Free Blank +2.2% Blank TO-92 Blank. A-Type P Pb-Free A +1.0% F SOT-89 2 B-Type H Halogen-Free B +0.5% Ss TSM T TSV M SOT-23 TO-92 AT: Taping of AMMO PACK type SOT-89 RTF : RTF type Packing Specification TSM / SOT-

P VIEW KIA431B KIA431F 3A KIA431AF SOT-89 KIA431BF 3C KIA431T 43C KIA431AT TSV KIA431BT KIA431S 43A 43B 2.5~36 KIA431AS 1 3B 2 2 1 A-Type : 1. Cathode 2. Ref 3. Anode B-Type : 1. Ref 2. Cathode 3. Anode 43C TSM KIA431BS 43A 43B KIA431M 43C SOT-23 (A-Type) KIA431AM KIA431BM 43A 43B KIA431M2 43F SOT-23 (B-Type) KIA431AM2 KIA431BM2 43D 43E * KIA431BT (Tolerance : 0.5% , TSV package) : Under Development 2012. 3. 20 Revision No : 16 1/8 KIA431 Series BLOCK DIAGRAM Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) Anode (A) ORDERING INFORMATION KIA431 Pb-Free / Halogen-Free Packing Specification Pin configuration (SOT-23 Only) Package code Vref Tolerance code Vref Tolerance code Package Code Pin Configuration (SOT-23 Only) Pb-Free / Halogen-Free Blank 2.2% Blank TO-92 Blank A-Type P Pb-Free A 1.0% F SOT-89 2 B-Type H Halogen-Free B 0.5% S TSM T TSV M SOT-23 TO-92 AT : Taping of AMMO PACK type SOT-89 RTF : RTF type TSM / SOT-23 RTK : RTK type TSV RTK : RTK type Packing

3 TOP VIEW KIA431B KIA431F 3A KIA431AF SOT-89 KIA431BF 3C KIA431T 43C KIA431AT KIA431BT KIA431S TSV KIA431AS 43A 43B 2.5~36 1 3B 2 2 1 A-Type : 1. Cathode 2. Ref 3. Anode B-Type : 1. Ref 2. Cathode 3. Anode 43C TSM KIA431BS 43A 43B KIA431M SOT-23 (A-Type) KIA431AM KIA431BM KIA431M2 43C 43A 43B 43F SOT-23 (B-Type) KIA431AM2 KIA431BM2 43D 43E * KIA431BT (Tolerance : 0.5% , TSV package) : Under Development 2009. 3. 4 Revision No : 15 1/8 KIA431 Series BLOCK DIAGRAM Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) Anode (A) ORDERING INFORMATION KIA431 Pb-Free / Halogen-Free Packing Specification Pin configuration (SOT-23 Only) Package code Vref Tolerance code Vref Tolerance code Package Code Pin Configuration (SOT-23 Only) Pb-Free / Halogen-Free Blank 2.2% Blank TO-92 Blank A-Type P Pb-Free A 1.0% F SOT-89 2 B-Type H Halogen-Free B 0.5% S TSM T TSV M SOT-23 TO-92 AT : Taping of AMMO PACK type SOT-89 RTF : RTF type TSM / SOT-23 RTK : RTK type TSV RTK : RTK type Pack

IA431B TOP KIA431F 3A VIEW KIA43 1 AF SOT-89 3B L | L_| KIA431BF 3C 2 2 | KIA431T 43C KIA43 LAT TSV BA . A-Type: 1. Cathode 2. Ref 3. Anode Bipeet 2 5~36 zoe B-Type: 1. Ref 2. Cathode 3. Anode KIA431S , 43C KIA431AS TSM 4BA KIA431BS 43B KIA431M 43C SOT-23 KIA431AM 4BA (A-Type) KIA431BM 43B KIA431M2 43F KIA431AM2 sore 43D (B-Type) KIA431BM2 43E * KIA43 1 BT (Tolerance : 0.5% , TSV package) : Under Development 2009. 3.4 Revision No : 15 KEC 1/8KIA431 Series BLOCK DIAGRAM Reference (R) ORDERING INFORMATION KIA431 O-O0O /O Anode (A) Cathode (KX) in A Pb-Free /Halogen-Free Packing Speification Pin configuration (SOT-23 Only) I Package code V gf Tolerance code Reference (R) Cathode (K) Anode (A) Vier Tolerance code Package Code Pin Configuration(SOT423 Only) Pb-Free / Halogen-Free Blank +2.2% Blank TO-92 Blank A-Type P Pb-Free A +1.0% F SOT-89 2 BType H Halogen-Free B =0.5% Ss TSM T TSV M SOT-23 TO-92 AT: Taping of AMMO PACK type SOT-89 RTF : RTF type Packing Specification TSM / SOT-23 RTK

3 TOP VIEW KIA431B KIA431F 3A KIA431AF SOT-89 KIA431BF 3C KIA431T 43C KIA431AT KIA431BT KIA431S TSV KIA431AS 43A 43B 2.5~36 1 3B 2 2 1 A-Type : 1. Cathode 2. Ref 3. Anode B-Type : 1. Ref 2. Cathode 3. Anode 43C TSM KIA431BS 43A 43B KIA431M SOT-23 (A-Type) KIA431AM KIA431BM KIA431M2 43C 43A 43B 43F SOT-23 (B-Type) KIA431AM2 KIA431BM2 43D 43E * KIA431BT (Tolerance : 0.5% , TSV package) : Under Development 2012. 3. 20 Revision No : 16 1/8 KIA431 Series BLOCK DIAGRAM Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) Anode (A) ORDERING INFORMATION KIA431 Pb-Free / Halogen-Free Packing Specification Pin configuration (SOT-23 Only) Package code Vref Tolerance code Vref Tolerance code Package Code Pin Configuration (SOT-23 Only) Pb-Free / Halogen-Free Blank 2.2% Blank TO-92 Blank A-Type P Pb-Free A 1.0% F SOT-89 2 B-Type H Halogen-Free B 0.5% S TSM T TSV M SOT-23 TO-92 AT : Taping of AMMO PACK type SOT-89 RTF : RTF type TSM / SOT-23 RTK : RTK type TSV RTK : RTK type Pac

Noise Voltage. LINE UP Type No. Operating Voltage(V) Package KIA431 KIA431A TO-92 KIA431B KIA431F KIA431AF SOT-89 KIA431BF KIA431T KIA431AT TSV KIA431BT KIA431S TSM KIA431AS 2.5~36 (A-Type) KIA431BS KIA431S2 TSM KIA431AS2 (B-Type) KIA431BS2 KIA431M SOT-23 KIA431AM (A-Type) KIA431BM KIA431M2 SOT-23 KIA431AM2 (B-Type) KIA431BM2 * KIA431BT (Tolerance : 0.5% , TSV package) : Under Development Marking 3A 3B 3C 43C 43A 43B 43C 43A 43B 43F 43D 43E 43C 43A 43B 43F 43D 43E BLOCK DIAGRAM PIN CONFIGURATION (TSM, SOT-23) 3 Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) 2 1 A-Type : 1. Cathode 2. Ref 3. Anode B-Type : 1. Ref 2. Cathode 3. Anode Anode (A) 2008. 2. 28 Revision No : 0 1/7 KIA431 Series MAXIMUM RATINGS (Ta=25 ) (Full operating ambient temperature range applies unless otherwise noted.) CHARACTERISTIC Cathode To Anode Voltage SYMBOL RATING UNIT VKA 37 V Cathode Current Range, Continuous IK -100 150 mA Reference Input Current Range, Continuous Iref -0.05 10 mA O

100UF 50V T9101 POWER X'FMR 6 11 C9141 NC/330UF 50V 2 3 1 1 FB9903 BEAD C9142 2N2 50V 2 2 FB9907 BEAD C9140 330UF 50V 1 1 1 1 + - 2 4 2 HV BD9901 TS6B06G-01 R9127 9K1 1/8W 1% 2 NC 1 2 R9162 NC/1K OHM 1% 1 NC/PMBS3906 Q9102 NC/2SA1797 F9901 FUSE IC9106 NC/KIA431AM-RTK-H 3 1 C9134 NC/1N 50V 1 R9160 NC/30K 1/8W 1% R9159 NC/1K OHM R91 50 NC/100N 50V NC/1K OHM R9129 2K 1/8W 1% R9152 C9133 IC9103 AS431AZTR-E1 NC/20K OHM 2 Q9108 R9142 NC/1K OHM 1% 4 2 1 ZD9101 BZT52-B16 OVP OVP R9126 1Kohm +-1% 1/4W C9118 220N 50V C9905 470PF 250V C9908 470PF 250V +24VS D9112 NC/RB160M R9125 2K 1/8W 1% R9147 NC/100 OHM 1% C9113 1N 50V 2 RV9901 NC IC9102 PC123X8YFZOF 3 4 t 1 NR9901 NTCR R9128 110K 1/8W +/-1% R91 51 2 NC/3K 1/8W +/-1% CN9901 SOCKET 1 2 +12V+5.2V DC to DC +5.2V C9354 2 1 C9353 100N 50V 2 R9353 22 OHM 1/8W +12VEN 1 FB9906 BEAD C9906 470pF 250V D9351 SK84C 470UF 25V C9911 470PF 250V C9352 C9350 2.2UF 25V C9910 470PF 250V + C9351 2.2UF 25V 1 2 3 4 IC9351 NR111D BS SS VIN EN SW ISET GND FB 8 7 6 5 CN9902 CONN

V) Package Marking 3 KIA431 KIA431A TO-92 3 TOP VIEW KIA431B KIA431F 3A KIA431AF SOT-89 KIA431BF 3C KIA431T 43C KIA431AT KIA431BT TSV 2.5~36 43A 2 2 1 1. Cathode 2. Ref 3. Anode 43B KIA431S 43C KIA431AS TSM 43A KIA431BS 43B KIA431M 43C KIA431ZM 43Z SOT-23 KIA431AM KIA431BM 2012.10. 26 1 3B 43A 43B Revision No : 17 1/8 KIA431 Series BLOCK DIAGRAM Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) Anode (A) ORDERING INFORMATION KIA431 Pb-Free / Halogen-Free Packing Specification Package code Vref Tolerance code Vref Tolerance code Package Code Pb-Free / Halogen-Free Blank 2.2% Blank TO-92 P Pb-Free Z 1.5% F SOT-89 H Halogen-Free A 1.0% S TSM B 0.5% T TSV M SOT-23 TO-92 AT : Taping of AMMO PACK type SOT-89 RTF : RTF type TSM / SOT-23 RTK : RTK type TSV RTK : RTK type Packing Specification 2012.10. 26 Revision No : 17 2/8 KIA431 Series MAXIMUM RATINGS (Ta=25) (Full operating ambient temperature range applies unless otherwise noted.) CHARACTERISTIC SYMBOL RATING UNIT VKA 37 V Cath

EC-Q101. PIN CONFIGURATION (SOT-23) LINE UP Type No. Operating Voltage(V) Package Marking KIA431 3 3 KIA431Z TOP VIEW TO-92 KIA431A 1 KIA431B KIA431F 3A KIA431ZF SOT-89 KIA431AF KIA431BF KIA431T KIA431AT 43A 43B 43C TSM 43A KIA431BS 43B KIA431M 43C SOT-23 KIA431AM KIA431BM 2013. 4. 16 1. Cathode 2. Ref 3. Anode 43C TSV KIA431S KIA431ZM 1 3Z KIA431BT KIA431AS 2 3B 3C 2.5 ~ 36 2 43Z 43A 43B Revision No : 18 1/8 KIA431 Series BLOCK DIAGRAM Cathode (K) + Reference (R) Cathode (K) Reference (R) 2.5Vref Anode (A) Anode (A) ORDERING INFORMATION KIA431 Pb-Free / Halogen-Free Packing Specification Package code Vref Tolerance code Vref Tolerance code Package Code Pb-Free / Halogen-Free Blank 2.2% Blank TO-92 P Pb-Free Z 1.5% F SOT-89 H Halogen-Free A 1.0% S TSM B 0.5% T TSV M SOT-23 TO-92 AT : Taping of AMMO PACK type SOT-89 RTF : RTF type TSM / SOT-23 RTK : RTK type TSV RTK : RTK type Packing Specification 2013. 4. 16 Revision No : 18 2/8 KIA431 Series MAXIMUM RATINGS (Ta=25) (Full operating ambient tempe