参数资料
型号: MAX1513ETP+T
厂商: Maxim Integrated Products
文件页数: 9/28页
文件大小: 0K
描述: IC CNTRLR TFT-LCD PS 20-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,TFT LCD
输入电压: 2.7 V ~ 5.5 V
输出数: 1
输出电压: 2.7 V ~ 50 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(4x4)
包装: 带卷 (TR)
TFT-LCD Power-Supply Controllers
Pin Description (continued)
PIN
NAME
MAX1513 MAX1514
FUNCTION
8
9
DRVN
DRVL
DRVN
DRVL
REG N Base Drive. Open drain of an internal P-channel MOSFET. Connect to the base of an
external NPN linear-regulator pass transistor.
Logic Linear-Regulator (REG L) Base Drive. Open drain of an internal N-channel MOSFET. Connect
to the base of an external PNP linear-regulator pass transistor.
REG L Feedback Input. FBL regulates to 1.25V (typ). Connect to the center tap of a resistive
10
FBL
FBL
voltage-divider between the REG L output and the analog ground plane to set the output voltage.
Place the resistive voltage-divider close to this pin.
Gamma Linear-Regulator (REG G) Base Drive for the MAX1513. Open drain of an internal N-channel
11
DRVG
N.C.
MOSFET. Connect to the base of an external PNP linear-regulator pass transistor. Not internally
connected for the MAX1514.
REG G Feedback Input for MAX1513. FBG regulates to 1.25V (typ). Connect to the center tap of a
12
FBG
N.C.
resistive voltage-divider between the REG G output and the analog ground plane to set the output
voltage. Place the divider close to the FBG pin. Not internally connected for the MAX1514.
Gate-On Linear-Regulator (REG P) Feedback Input. FBP regulates to 1.25V (typ). Connect to the
13
FBP
FBP
center tap of a resistive voltage-divider between the REG P output and the analog ground plane to
set the output voltage. Place the resistive-divider close to this pin.
14
15
16
DRVP
GND
GATE
DRVP
GND
GATE
REG P Base Drive. Open drain of an internal N-channel MOSFET. Connect to the base of an
external PNP linear-regulator pass transistor.
Ground
External MOSFET Gate Drive. Drives the gate of the step-up switching regulator’s MOSFET.
Supply Input. IN powers all the internal circuitry of the MAX1513/MAX1514. The input voltage range
17
IN
IN
is from 2.7V to 5.5V. Bypass with a 0.1μF ceramic capacitor between IN and GND. Place the
capacitor within 5mm of IN.
18
19
CS+
CS-
CS+
CS-
Current-Sense-Comparator Noninverting Input. Connect CS+ and CS- to the lossless current-sense
network. See the Lossless Current Sense section.
Current-Sense-Comparator Inverting Input. Connect CS+ and CS- to the lossless current-sense
network. See the Lossless Current Sense section.
Main Step-Up Regulator Feedback Input. FB regulates to 1.25V (typ). Connect to the center tap of a
20
FB
FB
resistive voltage-divider between the main output (V MAIN ) and the analog ground plane to set the
main step-up regulator output voltage. Place the resistive-divider close to this pin.
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9
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