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参数资料
| 型号： | MAX8785ETI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC CCFL CTRL 28-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | CCFL 控制器 |
| 电流 - 电源： | 1.5mA |
| 电源电压： | 4.5 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 管件 |
Full-Bridge Controller for
Piezoelectric Transformers
ABSOLUTE MAXIMUM RATINGS
BATT, RATE, LX1, LX2 to GND .............................-0.3V to +30V
BST1, BST2 to GND ...............................................-0.3V to +36V
BST1 to V DD1 , BST2 to V DD2 ..................................-0.3V to +30V
BST1 to LX1..............................................................-0.3V to +6V
BST2 to LX2..............................................................-0.3V to +6V
V CC , V DD1 , V DD2 , CNTL, LSYNC, SHDN ,
FLT to GND...........................................................-0.3V to +6V
GH1 to LX...............................................-0.3V to (VBST1 + 0.3V)
GH2 to LX2.............................................-0.3V to (VBST2 + 0.3V)
GL1 to GND ..............................................-0.3V to (V DD1 + 0.3V)
COMP, HF, LF, PCOMP, SEL,
TFLT to GND............................................-0.3V to (V CC + 0.3V)
IFB, VFB, OLF to GND.................................................-6V to +6V
PGND to GND .......................................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70°C)
28-Pin Thin QFN (derate 21.3mW/°C above +70°C)...1702.1mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
GL2 to GND ..............................................-0.3V to (V DD2 + 0.3V)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V BATT = 12V, V DD1 = V DD2 = V SHDN = 5.35V, R RATE = 190k Ω , T A = 0°C to +85°C , unless otherwise noted. See Figure 1. Typical values
are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BATT Input Voltage Range
BATT Quiescent Current
BATT Quiescent Current, Shutdown
V CC = V DD1 = V DD2 = open
V CC = V DD1 = V DD2 = BATT
V BATT = 28V
V SHDN = 0, V BATT = 28V
5.5
4.5
1.5
10
28.0
5.5
6
25
V
mA
μA
V CC Output Voltage, Normal Operation
V CC Output Voltage, Shutdown
V CC Undervoltage-Lockout Threshold
6V < V BATT < 28V, 0 < I LOAD < 20mA
V SHDN = 0, no load
V CC rising (leaving lockout)
V CC falling (entering lockout)
5.20
3.5
4.0
5.35
4.6
5.50
5.5
4.5
V
V
V
V CC Undervoltage-Lockout Hysteresis
150
mV
GH1, GH2, GL1, and GL2
On-Resistance, Low State
GH1, GH2, GL1, and GL2
On-Resistance, High State
BST1, BST2 Leakage Current
LX1, LX2 Leakage Current
Minimum On-Time
I TEST = 10mA
I TEST = 10mA
V BST1 = 24V, V LX1 = 19V; V BST2 = 24V, V LX2
= 19V, V BATT = 28V
V BATT = 28V
V BATT = 8V, R RATE = 190k Ω , R HF = 100k Ω
V BATT = 16V, R RATE = 190k Ω , R HF = 100k Ω
240
22
10.8
1
4
370
25
12.50
3
8
5
5
500
28
14.2
Ω
Ω
μA
μA
ns
Duty Cycle
V BATT = 24V, R RATE = 190k Ω , R HF = 100k Ω
7.5
8.5
9.5
%
V BATT = 12V, R RATE = 150k Ω , R HF = 100k Ω
V BATT = 12V, R RATE = 300k Ω , R HF = 100k Ω
14
25
Maximum Duty Cycle
45
%
Current-Limit Threshold
Current-Limit Leading-Edge Blanking
IFB Regulation Point
IFB Input Bias Current
LX1 - PGND, LX2 - PGND
0 < V IFB < +3V
-3V < V IFB < 0
370
240
760
-2
-225
400
370
800
430
500
840
+2
mV
ns
mV
μA
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8785ETI+ | 功能描述:显示驱动器和控制器 Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8785ETI+T | 功能描述:显示驱动器和控制器 Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8785EVKIT | 功能描述:显示开发工具 MAX8785 Eval Kit RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX8786GTL+ | 制造商:Maxim Integrated Products 功能描述:CONVERTOR - Bulk 制造商:Rochester Electronics LLC 功能描述: |
| MAX878LCSA | 制造商:Maxim Integrated Products 功能描述: |
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