参数资料
| 型号： | MAX8751ETJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/27页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR CCFL INV 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | CCFL 控制器 |
| 频率： | 30 ~ 80 kHz |
| 电流 - 电源： | 3.2mA |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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Fixed-Frequency, Full-Bridge CCFL
Inverter Controller
ABSOLUTE MAXIMUM RATINGS
IN, LX1, LX2 to GND...............................................-0.3V to +30V
BST1, BST2 to GND ...............................................-0.3V to +36V
BST2 to LX2..............................................................-0.3V to +6V
V CC to GND ..............................................................-0.3V to +6V
GH1 to LX1 ................................................-0.3V to V BST1 + 0.3V
GH2 to LX2 ................................................-0.3V to V BST2 + 0.3V
CNTL, SEL COMP, GL1, GL2, DPWM,
HF, LF, HFCK, HSYNC, LSYNC, LFCK, PCOMP, PS1, PSCK,
IFB, ISEC, VFB to GND................................................-6V to +6V
PGND1, PGND2 to GND ..........................................-0.3V to +3V
Continuous Power Dissipation (T A = +70°C)
32-Pin TQFN (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
TFLT, PS2, SHDN to GND...........................-0.3V to V CC + 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 IN = 24V, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
IN Input-Voltage Range
IN Quiescent Current
IN Quiescent Current, Shutdown
V CC Output Voltage, Normal
Operation
V CC Output Voltage, Shutdown
V CC Undervoltage
Lockout Threshold
CONDITIONS
V SHDN = 5.5V, V IN = 28V
V SHDN = 0
V SHDN = 5.5V, 6V < V IN < 28V,
0 < I LOAD < 20mA
V SHDN = 0, no load
V CC rising (leaving lockout)
V CC falling (entering lockout)
MIN
6
5.20
3.5
4.0
TYP
3.2
6
5.35
4.6
MAX
28
6
20
5.50
5.5
4.5
UNITS
V
mA
μA
V
V
V
V CC Undervoltage Lockout
Hysteresis
200
mV
GH1, GH2, GL1, and GL2
On-Resistance, Low State
GH1, GH2, GL1, and GL2
On-Resistance, High State
BST1, BST2 Leakage Current
Resonant Frequency Range
I TEST = 10mA; V CC = 5.3V
I TEST = 10mA; V CC = 5.3V
V BST1 = 24V, V LX1 = 19V; V BST2 = 24V, V LX2 = 19V
Not tested
30
1
4
3
8
5
80
?
?
μA
kHz
Minimum Off-Time
Maximum Off-Time
Current-Limit Threshold;
LX1 - GND, LX2 - GND
Zero-Crossing Threshold:
LX1 - GND, LX2 - GND
IFB Maximum AC Voltage
Current-Limit Leading Edge
Blanking
240
20
380
5
240
360
30
400
10
±3
360
480
40
420
15
480
ns
μs
mV
mV
V
ns
IFB Regulation Point
IFB Input Bias Current
Internally full-wave rectified
0 < V IFB < 2V
-2V < V IFB < 0
770
-3
-150
790
810
+3
mV
μA
2
_______________________________________________________________________________________
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