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参数资料
| 型号： | DS3882E+T&R/C |
| 厂商： | Maxim Integrated |
| 文件页数： | 30/31页 |
| 文件大小： | 0K |
| 描述： | IC AUTO CCFL CTRLR 2CH 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 类型： | CCFL 控制器 |
| 频率： | 40 ~ 100 kHz |
| 电流 - 电源： | 12mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 带卷 (TR) |
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Dual-Channel Automotive CCFL Controller
Typical Operating Circuit
DEVICE
INVERTER SUPPLY
R1
V CC
R2
V CC
SUPPLY VOLTAGE
(5V ± 5%)
C7
VOLTAGE (V INV )
(8V TO 16V)
C1
I 2 C
CONFIGURATION
AND CONTROL PORT
SDA
SCL
A0
V CC
SVMH
SVML
R3
R4
V CC
A1
R5
R6
GND_S
R11
FAULT
DS3882
GA1
C2
CCFL LAMP
GB1
C3
R7
HARDWARE
CONTROL
LAMP CURRENT
OVERDRIVE ENABLE
LAMP ON/OFF
LAMP BRIGHTNESS
LCO
PDN
BRIGHT
OVD1
LCM1
DUAL POWER
MOSFET
TRANSFORMER
OVERVOLTAGE DETECTION
LAMP CURRENT MONITOR
STEP LAMP
FREQUENCY
STEP
C8
DPWM SIGNAL
INPUT/OUTPUT
LAMP FREQUENCY
INPUT/OUTPUT
R9
R10
PSYNC
LSYNC
LOSC
POSC
GA2
GB2
OVD2
LCM2
DUAL POWER
MOSFET
C4
C5
TRANSFORMER
OVERVOLTAGE DETECTION
LAMP CURRENT MONITOR
CCFL LAMP
R8
C6
GND
Power-Supply Decoupling
To achieve best results, it is highly recommended that
a decoupling capacitor is used on the IC power-supply
pin. Typical values of decoupling capacitors are
0.01μF or 0.1μF. Use a high-quality, ceramic, surface-
mount capacitor, and mount it as close as possible to
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages . Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
the V CC and GND pins of the IC to minimize lead
inductance.
Chip Information
SUBSTRATE CONNECTED TO GROUND
PACKAGE
TYPE
28 TSSOP
(173 mils)
PACKAGE
CODE
U28+2
OUTLINE
NO.
LAND
PATTERN NO.
30
____________________________________________________________________
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