UC3844B

eeworld网站中关于UC3844B有63个元器件。有UC3844B、UC3844B等。可以通过横向对比他们之间的异同，来寻找器件间替代的可能。

器件名	厂商	描　述	功能
UC3844B	ON Semiconductor(安森美)	1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO8	下载
UC3844B	Motorola ( NXP )	1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO8	下载
UC3844B	ST(意法半导体)	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER	下载
UC3844B_07	ON Semiconductor(安森美)	UC3844B_07	下载
UC3844B_12	ON Semiconductor(安森美)	High Performance Current Mode Controllers	下载
UC3844BAC	ON Semiconductor(安森美)	1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO8	下载
UC3844BCD	Promax-Johnton Electronic Corporation	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDIP8, PLASTIC, DIP-8	下载
UC3844BCS	Promax-Johnton Electronic Corporation	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8, PLASTIC, SOP-8	下载
UC3844BD	ST(意法半导体)	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14	下载
UC3844BD	ON Semiconductor(安森美)	Switching Controllers 52kHz 1A Current PWM	下载
UC3844BD	Rochester Electronics	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14	下载
UC3844BD	Motorola ( NXP )	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, PLASTIC, SO-14	下载
UC3844BD	FREESCALE (NXP)	IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SOP,14PIN,PLASTIC	下载
UC3844BD1	ST(意法半导体)	Switching Controllers PWM CONTROLLER	下载
UC3844BD1	NXP(恩智浦)	IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SOP,8PIN,PLASTIC	下载
UC3844BD1	ON Semiconductor(安森美)	Switching Controllers 52kHz 1A Current PWM	下载
UC3844BD1	Motorola ( NXP )	1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8	下载
UC3844BD1	Rochester Electronics	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO8, SOIC-8	下载
UC3844BD1013TR	ST(意法半导体)	UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8	下载
UC3844BD1G	ON Semiconductor(安森美)	Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max	下载
UC3844BD1R2	ON Semiconductor(安森美)	Switching Controllers 52kHz 1A Current PWM	下载
UC3844BD1R2	Motorola ( NXP )	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8	下载
UC3844BD1R2G	ON Semiconductor(安森美)	——	下载
UC3844BDG	ON Semiconductor(安森美)	Switching Voltage Regulators HIGH EFF 1A STEP- DOWN VLTG REG	下载
UC3844BDG	Rochester Electronics	1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO14, ROHS COMPLIANT, SOIC-14	下载
UC3844BDR2	Motorola ( NXP )	1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SO-14	下载
UC3844BDR2	ON Semiconductor(安森美)	Switching Controllers 52kHz 1A Current PWM	下载
UC3844BDR2	Rochester Electronics	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14	下载
UC3844BDR2G	ON Semiconductor(安森美)	可输出电流：- 开关工作频率：Up to 500kHz 输出类型：Transistor Driver 输出电压的路数：1 功能类型：Step-Up, Step-Up/Step-Down 输出配置：Positive	下载
UC3844BDR2G	Rochester Electronics	1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO14, ROHS COMPLIANT, SOIC-14	下载

关于UC3844B相关文档资料：

对应元器件	pdf文档资料下载
UC3844BD 、 UC3844BD1 、 UC3844BDR2 、 UC3844BN 、 UC3844BVD 、 UC3844BVD1 、 UC3844BVD1R2 、 UC3844BVN	下载文档
UC3844B 、 UC3844B 、 UC3844BAC 、 UC3844BG 、 UC3844BL 、 UC3844BV	下载文档
UC3844BDG 、 UC3844BDR2G 、 UC3844BNG 、 UC3844BVDG 、 UC3844BVDR2G	下载文档
UC3844BD1G 、 UC3844BVD1G 、 UC3844BVD1R2G 、 UC3844BVDG 、 UC3844BVNG	下载文档
UC3844BD 、 UC3844BD1R2 、 UC3844BDR2 、 UC3844BVDR2 、 UC3844BVN	下载文档
UC3844BD1 、 UC3844BN 、 UC3844BVD 、 UC3844BVD1 、 UC3844BVN	下载文档
UC3844BD1R2 、 UC3844BDR2 、 UC3844BVD1R2 、 UC3844BVDR2	下载文档
UC3844BD1 、 UC3844BN 、 UC3844BVN	下载文档
UC3844BD1R2G 、 UC3844BDR2G 、 UC3844BNG	下载文档
UC3844BN 、 UC3844BVD	下载文档

UC3844B资料比对：

型号	UC3844BD	UC3844BD1	UC3844BDR2	UC3844BN	UC3844BVD	UC3844BVD1	UC3844BVD1R2	UC3844BVN
描述	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO8, SOIC-8	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14	Switching Controller,	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO14, SOIC-14	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO8, SOIC-8	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDSO8, SOIC-8	1A SWITCHING CONTROLLER, 275kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8
是否无铅	不含铅	不含铅	含铅	含铅	含铅	不含铅	含铅	不含铅
零件包装代码	SOIC	SOIC	SOIC	DIP	SOIC	SOIC	SOIC	DIP
包装说明	SOP,	SOIC-8	SOP,	,	SOP,	SOIC-8	SOIC-8	PLASTIC, DIP-8
针数	14	8	14	8	14	8	8	8
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
模拟集成电路 - 其他类型	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
是否Rohs认证	不符合	-	不符合	-	不符合	不符合	不符合	-
控制模式	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	-	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
控制技术	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	-	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
最大输入电压	25 V	25 V	25 V	-	25 V	25 V	25 V	25 V
最小输入电压	12 V	12 V	12 V	-	12 V	12 V	12 V	12 V
标称输入电压	15 V	15 V	15 V	-	15 V	15 V	15 V	15 V
JESD-30 代码	R-PDSO-G14	R-PDSO-G8	R-PDSO-G14	-	R-PDSO-G14	R-PDSO-G8	R-PDSO-G8	R-PDIP-T8
JESD-609代码	e0	e0	e0	-	e0	e0	e0	e0
长度	8.65 mm	4.9 mm	8.65 mm	-	8.65 mm	4.9 mm	4.9 mm	9.78 mm
功能数量	1	1	1	-	1	1	1	1
端子数量	14	8	14	-	14	8	8	8
最高工作温度	70 °C	70 °C	70 °C	-	105 °C	105 °C	105 °C	105 °C
最大输出电流	1 A	1 A	1 A	-	1 A	1 A	1 A	1 A
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SOP	SOP	SOP	-	SOP	SOP	SOP	DIP
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	-	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE
峰值回流温度（摄氏度）	240	240	240	-	235	240	240	NOT SPECIFIED
认证状态	COMMERCIAL	COMMERCIAL	COMMERCIAL	-	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
座面最大高度	1.75 mm	1.75 mm	1.75 mm	-	1.75 mm	1.75 mm	1.75 mm	4.45 mm
表面贴装	YES	YES	YES	-	YES	YES	YES	NO
切换器配置	SINGLE	SINGLE	SINGLE	-	SINGLE	SINGLE	SINGLE	SINGLE
最大切换频率	275 kHz	275 kHz	275 kHz	-	275 kHz	275 kHz	275 kHz	275 kHz
技术	BIPOLAR	BIPOLAR	BIPOLAR	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
温度等级	COMMERCIAL	COMMERCIAL	COMMERCIAL	-	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子面层	TIN LEAD	TIN LEAD	TIN LEAD	-	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD
端子形式	GULL WING	GULL WING	GULL WING	-	GULL WING	GULL WING	GULL WING	THROUGH-HOLE
端子节距	1.27 mm	1.27 mm	1.27 mm	-	1.27 mm	1.27 mm	1.27 mm	2.54 mm
端子位置	DUAL	DUAL	DUAL	-	DUAL	DUAL	DUAL	DUAL
处于峰值回流温度下的最长时间	30	30	30	-	NOT SPECIFIED	30	30	NOT SPECIFIED
宽度	3.9 mm	3.9 mm	3.9 mm	-	3.9 mm	3.9 mm	3.9 mm	7.62 mm
厂商名称	-	Rochester Electronics	Rochester Electronics	-	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics

DT890C+／CM 3920型3 1/2数字万用表电路

器件捷径: S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

新增数据表(2026-03-26): RE5RL36AA-T2 IDT71V416YL10YGI LB1263AR 84E1C-B12-J08L 660PS097ZR20N RF402-3030-01RP1-0500 240-382WP22-97SSCGHN TNPW25121M15DHTY 2200BGG1009B2MA VBF211 SOT-DIV23LF-01-27R0-27R0-DD 0936011869 ATS-07F-14-C2-R0 7401T1CWCBE SQCD-050-06.00-STL-TED-3-F PEG36DS-HAKT165 NP111-23813-G4 EC2A-FREQ7 W3EG7265S202JD3M SE-K10M680A7F71012 FTR-135-01-SM-D VFT8SSDYZS310MHZ M29W128GL90N6E VTM3-C3DE-19M680 ABM2-8.000MHZ-26-C7Y Y472848K1000B1L RTA03-4D362GTH CS1812JKX7RYBB154 RNR65J2773DS 91C2A-D20-H11L S2512CA1241DHW-W Y4726309R000D1L SIP-4709-00-2180BA JFK-A2-C/3 FP-8987SQ-05-2700-JG-1 VJ2225Y683JNBAJ68 MKM4D021003C00KISD HR1206NPO821K4NGAR GUS-SL8ALF-03-3602-JF M55342K04B845ETWBT T495D226K035ASE300 STM32MP151DAC1 STM32L4P5VGT6 BT137-600G0TQ NJM2865F33-TE1 NJM072CG-TE2

捷径 0-9 : 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

捷径 A-D : A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

捷径 E-K : E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

捷径 L-R : L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

捷径 S-Z : S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

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