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MAX16929
Automotive TFT-LCD Power Supply with Boost
Converter and Gate Voltage Regulators
Pin Configuration
TOP VIEW
ENP
DR
FB
GATE
1
2
3
4
28
27
26
25
SEQ
REF
FBGL
FBGH
PGNDP
LXP
INA
COMPV
FBP
FBB
AVL
BST
LXB
LXB
5
6
7
8
9
10
11
12
13
14
MAX16929
EP
24
23
22
21
20
19
18
17
16
15
COMPI
GND
DRVN
GH
CP
PGOOD
GND
ENB
INB
INB
TSSOP
Pin Description
PIN
1
2
3
4
5
6
7
8
9
NAME
ENP
DR
FB
GATE
PGNDP
LXP
INA
COMPV
FBP
FUNCTION
Boost Circuitry and 1.8V/3.3V Regulator Controller Enable Input. ENP has an internal 500k I pulldown
resistor. Drive high for normal operation and drive low to place the device (except buck converter) in
shutdown.
1.8V or 3.3V Regulator Output. DR has a 4.5mA (min) drive capability. For greater output current capa-
bility, use an external npn bipolar transistor whose base is connected to DR.
1.8V or 3.3V Regulator Feedback Input. FB is regulated to 1.8V or 3.3V. Connect FB to DR when power-
ing loads demanding less than 4.5mA. For greater output current capability, use an external npn bipo-
lar transistor whose emitter is connected to FB.
External p-Channel FET Gate Drive. GATE is an open-drain driver connected to the gate of the external
input series p-channel FET. Connect a pullup resistor between GATE and INA. During a fault condition,
the gate driver turns off and the pullup resistor turns off the FET.
Boost Converter Power Ground
Boost Converter Switching Node. Connect LXP to the inductor and catch diode of the boost converter.
Boost Circuitry and 1.8V/3.3V Regulator Controller Power Input. Connect INA to a 3V to 5.5V supply.
Boost Error Amplifier Compensation Connection. Connect a compensation network between COMPV to
GND.
Boost Converter Feedback Input. FBP is regulated to 1V. Connect FBP to the center of a resistive divid-
er connected between the boost output and GND.
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相关代理商/技术参数
MAX16929FGUI/V+
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929FGUI/V+T
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929GGUI/V+
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929GGUI/V+T
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929GUI/V+
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929GUI/V+T
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929HGUI/V+
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube
MAX16929HGUI/V+T
功能描述:LCD 驱动器 18V 2MHz Auto TFT-LCD Pwr Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube