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參數(shù)資料
| 型號(hào)： | LT1309CS8#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 320K |
| 代理商： | LT1309CS8#TR |
4
LT1309
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
50
s/DIV
1309 G08
12V
VOUT
2V/DIV
VON/OFF
10V/DIV
VPP VALID
10V/DIV
Start-Up Waveforms, ILOAD = 10mA
Start-Up Waveforms, ILOAD = 1mA
50
s/DIV
1309 G09
VOUT
5V/DIV
VON/OFF
10V/DIV
IL
500mA/DIV
12V OUTPUT
1V/DIV
AC COUPLED
10mA
60mA
ILOAD
50
s/DIV
1309 G10
PI FU CTIO S
UU
U
SOFT START (Pin 1): A 0.1
F/1M parallel RC from this
pin to GND provides a Soft Start function upon device
turn-on. Initially about 80
A will flow from the pin into the
capacitor. When the voltage at the pin reaches approxi-
mately 0.4V, current ceases flowing out of the pin.
VCC (Pin 2): Input Supply. At least 1F input bypass
capacitance is required. More capacitance reduces ring-
ing on the supply line.
PGND (Pin 3): Power Ground. Connect to ground plane.
VSW (Pin 4): Collector of Power Switch. High dV/dt
present on this pin. To minimize radiated noise keep
layout short and direct.
GND (Pin 5): Signal Ground. Connect to ground plane.
VPP VALID (Pin 6): This pin provides a logic signal
indicating that output voltage has reached 12V. Active low
with internal 200k pull-up resistor.
SENSE (Pin 7): Output Sense Pin. This pin connects to a
resistive divider that sets the output voltage. In shutdown,
the resistor string is disconnected and current into this pin
reduces to < 1
A.
ON/OFF (Pin 8): Shutdown Control. When pulled below
1.5V, this pin disables the LT1309 and reduces supply
current to 9
A. All circuitry is disabled in shutdown. The
part is enabled when ON/OFF is greater than 1.5V.
Load Transient Response,
COUT = 1F
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| LT1310EMSE#PBF | 功能描述:IC REG BOOST ADJ 1.5A 10MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
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