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参数资料
| 型号： | MAX17075ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/23页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV W/CHRG PUMP 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | LCD 电视机/监控器 |
| 电流 - 电源： | 4mA |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18, 19
20
21
22
23
24
—
10
NAME
POS
NEG
OUT
BGND
SUP
DRVP
DRVN
CTL
RST
FBP
FBN
REF
VCC
AGND
RSTIN
COMP
FB
PGND
LX
DRN
COM
SRC
DEL
EP
FUNCTION
Operational Amplifier Noninverting Input
Operational Amplifier Inverting Input
Operational Amplifier Output
Analog Ground for Operational Amplifier and Charge Pump. Connect to AGND underneath the IC.
Operational Amplifier and Charge-Pump Supply Input. Connect this pin to the output of the boost
regulator (AVDD) and bypass to BGND with a minimum1μF capacitor.
Positive Charge-Pump Driver Output
Negative Charge-Pump Driver Output
High-Voltage Switch Control Input. When CTL is high, the switch between GON and SRC is on and the
switch between GON and DRN is off. When CTL is low, the switch between GON and DRN is on and the
switch between GON and SRC is off. CTL is inhibited by VCC UVLO and when DEL is less than 1.25V.
Reset Output. RST is an open-drain output.
Positive Charge-Pump Regulator Feedback Input. Connect FBP to the center of a resistive voltage-
divider between the positive charge-pump regulator output and AGND to set the positive charge-pump
regulator output voltage. Place the resistive voltage-divider within 5mm of FBP.
Negative Charge-Pump Regulator Feedback Input. Connect FBN to the center of a resistive voltage-
divider between the negative output and REF to set the negative charge-pump regulator output voltage.
Place the resistive voltage-divider within 5mm of FBN.
Reference Output. Connect a 0.22μF capacitor from REF to AGND. All power outputs are disabled until
REF exceeds its UVLO threshold.
Supplies the Internal Reference and Other Internal Circuitry. Connect VCC to the input supply voltage
and bypass VCC to AGND with a minimum 1μF ceramic capacitor.
Analog Ground for Step-Up Regulator and Linear Regulators. Connect to power ground (PGND)
underneath the IC.
Reset Input. Connect to the center of a resistor-divider from V IN .
Compensation Pin for Error Amplifier. Connect a series RC from COMP to AGND.
Step-Up Regulator Feedback Input. Connect FB to the center of a resistive voltage-divider between the
step-up regulator output and AGND to set the regulator’s output voltage. Place the resistive voltage-
divider within 5mm of FB.
Power Ground
Step-Up Regulator Switching Node. Connect inductor and catch diode here and minimize trace area for
lowest EMI power ground.
Switch Input. Drain of the internal high-voltage back-to-back p-channel FET connects to COM.
Internal High-Voltage MOSFET Switch Common Terminal
Switch Input. Source of the internal high-voltage pFET. Bypass SRC to PGND with a minimum 0.1μF
capacitor close to the pin.
High-Voltage Switch Delay Input. Connect a capacitor from DEL to AGND to set delay.
Exposed Pad. Connect to AGND.
Maxim Integrated
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| MAX17077ETM+ | 功能描述:低压差稳压器 - LDO Hybrid 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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