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參數(shù)資料
| 型號(hào)： | A6277ELW |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | ECONOLINE: RB & RA - Dual Output from a Single Input Rail- Power Sharing on Output- Industry Standard Pinout- 1kVDC & 2kVDC Isolation- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 85% |
| 中文描述： | 8位串行輸入，CONSTANTCURRENT鎖存LED驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 203K |
| 代理商： | A6277ELW |
D
2
8-BIT SERIAL-INPUT, CONSTANT-
CURRENT LATCHED LED DRIVER
Always order by complete part number, e.g.,
A6277EA
.
The A6277x is specifically designed for LED-display applications.
Each BiCMOS device includes an 8-bit CMOS shift register, accompa-
nying data latches, and eight npn constant-current sink drivers. Two
package styles and two operating temperature ranges are available.
The CMOS shift register and latches allow direct interfacing with
microprocessor-based systems. With a 5 V logic supply, typical serial
data-input rates are up to 20 MHz. The LED drive current is deter-
mined by the user’s selection of a single resistor. A CMOS serial data
output permits cascade connections in applications requiring additional
drive lines. For inter-digit blanking, all output drivers can be disabled
with an ENABLE input high. In addition, a HIGH/LOW function
enables full selected current with the application of a logic low, or 50%
selected current with the application of a logic high.
The first character of the part number suffix determines the device
operating temperature range. Suffix ‘E–’ is for -40
°
C to +85
°
C, and
suffix ‘S–’ is -20
°
C to +85
°
C. Two package styles are provided for
through-hole DIP (suffix ‘–A’) or surface-mount SOIC (suffix ‘–LW’)
applications. The copper lead frame and low logic-power dissipation
allow the dual in-line package to sink 122 mA through all outputs
continuously over the operating temperature range (1.0 V drop,
+85
°
C).
Note that the A6277EA (DIP) and the A6277ELW
(SOIC) are electrically identical and share a
common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
......................
7.0 V
Output Voltage Range,
V
O
............................
-0.5 V to +24 V
Output Current, I
O
.......................
150 mA
Input Voltage Range,
V
I
....................
-0.4 V to V
DD
+ 0.4 V
Package Power Dissipation,
P
D
.....................................
See Graph
Operating Temperature Range, T
A
Suffix ‘S-’ ................
-20
°
C to +85
°
C
Suffix ‘E-’................
-40
°
C to +85
°
C
Storage Temperature Range,
T
S
...........................
-55
°
C to +150
°
C
Caution: These CMOS devices have input
static protection (Class 2) but are still suscep-
tible to damage if exposed to extremely high
static electrical charges.
6277
PRELIMINARY INFORMATION
(Subject to change without notice)
July 20, 2000
FEATURES
I
To 150 mA Constant-Current Outputs
I
24 V Outputs
I
Under-Voltage Lockout
I
Low-Power CMOS Logic and Latches
I
High Data Input Rate
I
Similar to Toshiba TD62715FN
I
High/Low Output Current Function
A6277ELW
REGISTER
LATCHES
5
10
11
12
13
14
15
6
7
8
9
16
POWER
GROUND
POWER
GROUND
HIGH/LOW
(CURRENT)
OUT
1
OUT
2
Dwg. PP-029-17A
OUT
0
OUT
4
OUT
6
OUT
5
OUT
3
OUT
7
LOGIC
GROUND
1
2
3
17
19
4
18
20
SERIAL
DATA OUT
LOGIC
SUPPLY
SERIAL
DATA IN
OUTPUT
ENABLE
LATCH
ENABLE
CLOCK
CK
V
DD
OE
R
EXT
I
REGULATOR
L
SUB
SUB
SERIAL
DATA OUT
2
1
FF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A6277ELW-T | 功能描述:IC LED DRIVER LINEAR 20-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| A6277ELW-T | 制造商:Allegro MicroSystems 功能描述:LED Driver IC |
| A6277ELWTR | 功能描述:IC LED DRIVER LINEAR 20-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| A6277ELWTR-T | 功能描述:IC LED DRIVER LINEAR 20-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| A6277SA | 功能描述:IC LED DRIVER LINEAR 20-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
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