参数资料
型号: LTC3220EPF#PBF
厂商: Linear Technology
文件页数: 2/20页
文件大小: 0K
描述: IC LED DRVR QVGA DISPLAY 28UTQFN
标准包装: 91
拓扑: 开路漏极,升压(升压),切换式电容器(充电泵)
输出数: 18
内部驱动器:
类型 - 主要: 背光
类型 - 次要: LED 闪烁器
频率: 850kHz ~ 1.05MHz
电源电压: 2.9 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 28-UFQFN 裸露焊盘
供应商设备封装: 28-UTQFN(4x4)裸露焊盘
包装: 管件
工作温度: -40°C ~ 85°C
产品目录页面: 1340 (CN2011-ZH PDF)
LTC3220/LTC3220-1
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 4)
V IN , DV CC , CPO to GND ................................ –0.3V to 6V
ULED1-ULED18 to GND ............................... –0.3V to 6V
SDA, SCL, RST ............................–0.3V to (DV CC + 0.3V)
I CPO (Continuous) (Note 2) ..................................360mA
PIN CONFIGURATION
TOP VIEW
28 27 26 25 24 23 22
I ULED1-18 (Note 2) ..................................................25mA
CPO Short-Circuit Duration .............................. Inde?nite
ULED1 1
ULED2 2
21 ULED18
20 ULED17
Operating Temperature Range (Note 3)
LTC3220E/LTC3220E-1 ........................ –40°C to 85°C
LTC3220I/LTC3220I-1 ........................ –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
ULED3 3
ULED4 4
ULED5 5
ULED6 6
ULED7 7
8
29
9 10 11 12 13 14
19 ULED16
18 ULED15
17 ULED14
16 ULED13
15 ULED12
PF PACKAGE
28-LEAD UTQFN (4mm
4mm)
T JMAX = 125°C, θ JA = 37°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3220EPF#PBF
LTC3220EPF-1#PBF
LTC3220IPF#PBF
LTC3220IPF-1#PBF
TAPE AND REEL
LTC3220EPF#TRPBF
LTC3220EPF-1#TRPBF
LTC3220IPF#TRPBF
LTC3220IPF-1#TRPBF
PART MARKING *
3220T
2201T
3220T
2201T
PACKAGE DESCRIPTION
28-Lead UTQFN (4mm × 4mm)
28-Lead UTQFN (4mm × 4mm)
28-Lead UTQFN (4mm × 4mm)
28-Lead UTQFN (4mm × 4mm)
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.6V, DV CC = 3V, RST = high, C1 = C2 = C3 = 2.2μF, C4 = 4.7μF,
unless otherwise noted.
SYMBOL
PARAMETER
V IN Operating Voltage
CONDITIONS
l
MIN
2.9
TYP
MAX
5.5
UNITS
V
I VIN Operating Current
I CPO = 0, 1x Mode
580
μA
DV CC UVLO Threshold
I CPO = 0, 1.5x Mode
I CPO = 0, 2x Mode
2.4
3.2
1
mA
mA
V
DV CC Operating Voltage
V IN UVLO Threshold
l
1.5
1.5
5.5
V
V
32201fc
2
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