型号
  • 型号
  • 关键词
首页 > 器件类别 >

278R05

4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR

厂商名称：UNISONIC TECHNOLOGIES CO.,LTD

厂商官网：http://www.unisonic.com.tw/

下载文档
预览 参数对比
文档预览
UNISONIC TECHNOLOGIES CO., LTD
278RXX
4 TERMINAL 2A OUTPUT
LOW DROP VOLTAGE
REGULATOR
DESCRIPTION
The UTC
278RXX
Series are Low Drop Voltage Regulator
suitable for various electronic equipments.
It provides constant voltage power source with TO-220F-4
terminal lead full molded PKG. The Regulator has multi function
such as over current protection, overheat protection and ON/OFF
control.
1
TO-220F-4
LINEAR INTEGRATED CIRCUIT
FEATURES
* 2.0A Output Low Drop Voltage Regulator.
* Built in ON/OFF Control Terminal.
* Built in Over Current Protection, Over Heat Protection Function.
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
278RXXL-TF4-T
278RXXG-TF4-T
xx: Output Voltage, refer to Marking Information.
Package
TO-220F-4
Packing
Tube
Note:
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 8
QW-R102-048.B
278RXX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
05: 5.0V
12: 12V
33: 3.3V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-220F-4
PIN CONFIGURATION
PIN DESCRIPTION
PIN NO.
1
2
3
4
PIN NAME
V
IN
V
OUT
GND
Control
DESCRIPTION
Input DC supply voltage
Output voltage pin
Ground pin for the IC
ON/OFF control pin
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R102-048.B
278RXX
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 8
QW-R102-048.B
278RXX
PARAMETER
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
(T
A
=25°C, unless otherwise specified)
SYMBOL
RATINGS
UNIT
REMARK
Input Voltage
V
IN
35
V
ON/OFF Control Voltage
V
C
35
V
Output Current
I
O
2
A
Power Dissipation 1
P
D1
1.5
W
No heatsink
Power Dissipation 2
P
D2
15
W
with heatsink
Junction Temperature
T
J
125
°C
Operating Temperature
T
OPR
-20~80
°C
Storage Temperature
T
STG
-30~125
°C
Soldering Temperature (10sec)
T
SOL
260
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(T
A
=25°C, I
O
=1.0A, unless otherwise specified)
For 278R05 (V
IN
=7V)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Drop Out Voltage (Note)
Output ON State for Control Voltage
Output ON State for Control Current
Output OFF State for Control Voltage
Output OFF State for Control Current
Quiescent Current
For 278R12 (V
IN
=18V)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Drop Out Voltage (Note)
Output ON State for Control Voltage
Output ON State for Control Current
Output OFF State for Control Voltage
Output OFF State for Control Current
Quiescent Current
SYMBOL
V
O
Reg Load
Reg Line
T
C
V
O
R·R
V
D
V
C(ON)
I
C(ON)
V
C(OFF)
I
C(OFF)
I
Q
SYMBOL
V
O
Reg Load
Reg Line
T
C
V
O
R·R
V
D
V
C(ON)
I
C(ON)
V
C(OFF)
I
C(OFF)
I
Q
TEST CONDITIONS
I
O
=5mA~2A
V
IN
=6~12V
T
J
=0~125°C
45
I
O
=2A
2.0
V
C
=2.7V
V
C
=0.4V
I
O
=0
TEST CONDITIONS
I
O
=5mA~2A
V
IN
=13~29V
T
J
=0~125°C
45
I
O
=2A
2.0
V
C
=2.7V
V
C
=0.4V
I
O
=0
20
0.8
-0.4
10
MIN
11.70
20
0.8
-0.4
10
TYP
MAX
12.0
12.30
0.1
2.0
0.5
2.5
±0.02 ±0.05
55
0.5
MIN
4.88
TYP
MAX
5.0
5.12
0.1
2.0
0.5
2.5
±0.02 ±0.05
55
0.5
UNIT
V
%
%
%/°C
dB
V
V
μA
V
mA
mA
UNIT
V
%
%
%/°C
dB
V
V
μA
V
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R102-048.B
278RXX
ELECTRICAL CHARACTERISTICS
(Cont.)
LINEAR INTEGRATED CIRCUIT
For 278R33 (V
IN
=5V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
Output Voltage
V
O
3.201
3.3
3.399
Load Regulation
Reg Load I
O
=5mA~2A
0.1
2.0
Line Regulation
Reg Line V
IN
=6~12V
0.5
2.5
±0.02 ±0.05
Temperature Coefficient of Output Voltage
T
C
V
O
T
J
=0~125°C
R·R
Ripple Rejection
45
55
Drop Out Voltage (Note)
V
D
I
O
=2A
0.5
Output ON State for Control Voltage
V
C(ON)
2.0
Output ON State for Control Current
I
C(ON)
V
C
=2.7V
20
Output OFF State for Control Voltage
V
C(OFF)
0.8
Output OFF State for Control Current
I
C(OFF)
V
C
=0.4V
-0.4
Quiescent Current
I
Q
I
O
=0
10
Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
UNIT
V
%
%
%/°C
dB
V
V
μA
V
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R102-048.B
查看更多>
参数对比
与278R05相近的元器件有：278R05G-TF4-T、278R05L-TF4-T、278R12G-TF4-T、278R12L-TF4-T、278R33G-TF4-T、278R33L-TF4-T。描述及对比如下：
型号 278R05 278R05G-TF4-T 278R05L-TF4-T 278R12G-TF4-T 278R12L-TF4-T 278R33G-TF4-T 278R33L-TF4-T
描述 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR
是否Rohs认证 - 符合 符合 符合 符合 符合 符合
厂商名称 - UNISONIC TECHNOLOGIES CO.,LTD UNISONIC TECHNOLOGIES CO.,LTD UNISONIC TECHNOLOGIES CO.,LTD UNISONIC TECHNOLOGIES CO.,LTD UNISONIC TECHNOLOGIES CO.,LTD UNISONIC TECHNOLOGIES CO.,LTD
包装说明 - , SIP4,.06TB , SIP4,.06TB , SIP4,.06TB , SIP4,.06TB , SIP4,.06TB , SIP4,.06TB
Reach Compliance Code - compli compli compli compli compli compli
ECCN代码 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
可调性 - FIXED FIXED FIXED FIXED FIXED FIXED
最大回动电压 1 - 0.5 V 0.5 V 0.5 V 0.5 V 0.5 V 0.5 V
最大绝对输入电压 - 35 V 35 V 35 V 35 V 35 V 35 V
最大输入电压 - 12 V 12 V 29 V 29 V 12 V 12 V
最小输入电压 - 6 V 6 V 13 V 13 V 6 V 6 V
JESD-30 代码 - R-PSFM-T4 R-PSFM-T4 R-PSFM-T4 R-PSFM-T4 R-PSFM-T4 R-PSFM-T4
最大电网调整率 - 0.125% 0.125% 0.3% 0.3% 0.0825% 0.0825%
最大负载调整率 - 0.1% 0.1% 0.24% 0.24% 0.066% 0.066%
功能数量 - 1 1 1 1 1 1
输出次数 - 1 1 1 1 1 1
端子数量 - 4 4 4 4 4 4
工作温度TJ-Max - 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
最大输出电流 1 - 2 A 2 A 2 A 2 A 2 A 2 A
最大输出电压 1 - 5.125 V 5.125 V 12.3 V 12.3 V 3.383 V 3.383 V
最小输出电压 1 - 4.875 V 4.875 V 11.7 V 11.7 V 3.218 V 3.218 V
标称输出电压 1 - 5 V 5 V 12 V 12 V 3.3 V 3.3 V
封装主体材料 - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装等效代码 - SIP4,.06TB SIP4,.06TB SIP4,.06TB SIP4,.06TB SIP4,.06TB SIP4,.06TB
封装形状 - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 - FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT
包装方法 - TUBE TUBE TUBE TUBE TUBE TUBE
峰值回流温度（摄氏度） - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
认证状态 - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
调节器类型 - FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装 - NO NO NO NO NO NO
技术 - BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
端子形式 - THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
端子节距 - 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm
端子位置 - SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
处于峰值回流温度下的最长时间 - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
最大电压容差 - 2.4% 2.4% 2.5% 2.5% 3% 3%
Base Number Matches - 1 1 - - 1 1
热门器件
热门资源推荐
Window Watchdog和Watchdog有什么区别? 关于VDDA,VSSA 买一块BeagleBone,谁手里闲置准备出的？ 谁要能整理下中九的BIN供大家下载，真是感激不尽啊！ 【ufun学习】通过修改SystemInit匹配12M外部晶振 STM32RTC供电引脚对地内阻3K？ IAR报错 不能仿真求助 FPGA的问题 用一个单芯片实现电感邻近度感测 【2024 DigiKey创意大赛】 《智能起居室环境控制台》任务报告汇总
PIC单片机控制的遥控防盗报警器电路 红外线探测报警器 使用ESP8266从NTP服务器获取时间并在OLED显示器上显示 开关电源的基本组成及工作原理 用NE555制作定时器 RS-485基础知识:处理空闲总线条件的两种常见方法 如何构建一个触摸传感器电路 如何调制IC555振荡器 基于ICL296的大电流开关稳压器电源电路 基于TDA2003的简单低功耗汽车立体声放大器电路
器件捷径:
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
需要登录后才可以下载。
登录取消