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參數(shù)資料
| 型號： | MAX1514ETP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | TFT-LCD Power-Supply Controllers |
| 中文描述： | SWITCHING CONTROLLER, 1725 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220-VGGD, TQFN-20 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 540K |
| 代理商： | MAX1514ETP |
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M
TFT-LCD Power-Supply Controllers
8
_______________________________________________________________________________________
Pin Description
NAME
PIN
MAX1513
MAX1514
FUNCTION
1
REF
REF
Internal Reference. Connect a 0.22μF ceramic capacitor from REF to the analog ground plane,
which is connected to GND. External load capability is at least 100μA.
LCD Shutdown and Frequency-Select Input.
SDFR
= GND, LCD shutdown, REF, buffer amplifier and the logic regulator (REG L) output stay on
SDFR
= IN, 1.5MHz switching frequency
SDRF
= REF, 750kHz switching frequency
SDFR
= unconnected, 430kHz switching frequency
Buffer-Amplifier Noninverting Input for the MAX1513. Not internally connected for the MAX1514.
Buffer-Amplifier Output for the MAX1513. Not internally connected for the MAX1514.
2
SDFR
SDFR
3
4
FBPB
OUTB
N.C.
N.C.
5
SUPB
N.C.
Buffer-Amplifier Supply Input for the MAX1513. Bypass to GND with a 0.1μF capacitor. Not internally
connected for the MAX1514.
6
FBN
FBN
Gate-Off Linear Regulator (REG N) Feedback Input. FBN regulates to 125mV nominal. Connect to
the center tap of a resistive voltage-divider between the REG N output and the reference voltage
(REF) to set the output voltage. Place the resistive-divider close to this pin.
7
DEL
DEL
Delay-Control Timing Capacitor. Connect a capacitor from DEL to GND to set the gate-on linear-
regulator startup delay. See the
Power-Up Sequence and
Delay Control
Block
section.
BUFFER-AMPLIFIER LARGE-SIGNAL
STEP RESPONSE
MAX1513/14 toc10
1
μ
s/div
V
FBPB
5V/div
AC-COUPLED
V
OUTB
5V/div
AC-COUPLED
BUFFER-AMPLIFIER
LOAD-TRANSIENT RESPONSE
MAX1513/14 toc11
1
μ
s/div
V
OUTB
1V/div
AC-COUPLED
I
OUTB
50mA/div
0mA
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 5V, V
MAIN
= 15V, V
GON
= 25V, V
GOFF
= -10V, V
LOGIC
= 3.3V, V
GAMMA
= 14.7V, T
A
= +25°C, unless other-
wise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1514ETP+T | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1514ETP-T | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1515ETG | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1515ETG+ | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 1MHz Step-Down DDR Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1515ETG+T | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 1MHz Step-Down DDR Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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