参数资料
型号: MAX8751ETJ+T
厂商: Maxim Integrated
文件页数: 13/27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)
Fixed-Frequency, Full-Bridge CCFL
Inverter Controller
IN
LINEAR
REGULATOR
BIAS
SUPPLY
EN
MAX8751
SHDN
GND
FLT
PS1
V CC
OVERVOLTAGE
COMPARATOR
4.2V
UVLO
PHASE
SELECT
PS2
PSCK
VFB
2.25V
UVLO
COMPARATOR
HIGH-
HSYNC
COMP
OVER-
CURRENT
100 μ A
1200 μ A
RAMP
FREQ
OSC
HFCK
HF
LSYNC
PWM
COMPARATOR
PLL AND
DPWM
OSC
LFCK
LF
PCOMP
BST1
IFB
F.W. RECT
GH1
DPWM
SEL
CNTL
790mV
DIMMING CONTROL
LOGIC
ERROR
AMPLIFIER
PWM CONTROL
LOGIC
GATE
DRIVER
CONTROL
STATE
LX1
BST2
GH2
LX2
OPEN-LAMP
MACHINE
GL1
780mV
COMPARATOR
OVER-
CURRENT
FAULT-DELAY
BLOCK
PRIMARY
OVERCURRENT
AND ZERO
CROSSING
VCC
PGND1
GL2
PGND2
ISEC
S
TFLT
1.22V
SECONDARY OVERCURRENT
COMPARATOR
SHDN
UVLO
RESET
Q
R
FAULT
LATCH
FLT
MUX
Figure 2. Functional Diagram
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13
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