參數(shù)資料
型號(hào)： LTC3616IUDD#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 13.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
封裝： 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件頁(yè)數(shù)： 27/28頁(yè)
文件大小： 490K
代理商： LTC3616IUDD#TRPBF
LTC3616
8
3616fa
pin FuncTions
SRLIM/DDR (Pin 1): Slew Rate Limit. Tying this pin to
ground selects maximum slew rate. Minimum slew rate
is selected when the pin is open. Connecting a resistor
from SRLIM/DDR to ground allows the slew rate to be
continuously adjusted. If SRLIM/DDR is tied to SVIN, DDR
mode is selected. In DDR mode the slew rate limit is set
to maximum.
RT/SYNC (Pin 2): Oscillator Frequency. This pin provides
three ways of setting the constant switching frequency:
1. Connecting a resistor from RT/SYNC to ground will set
the switching frequency based on the resistor value.
2. Driving the RT/SYNC pin with an external clock signal
will synchronize the LTC3616 to the applied frequency.
The slope compensation is automatically adapted to the
external clock frequency.
3. Tying the RT/SYNC pin to SVIN enables the internal
2.25MHz oscillator frequency.
SGND(Pin3):SignalGround.Allsmall-signalandcompen-
sation components should connect to this ground, which
in turn should connect to PGND at a single point.
PVIN (Pins 4, 10, 11, 17): Power Input Supply. PVIN con-
nectstothesourceoftheinternalP-channelpowerMOSFET.
This pin is independent of SVIN and may be connected to
the same voltage or to a lower voltage supply.
SW (Pins 5, 6, 7, 8, 13, 14, 15, 16): Switch Node. Con-
nection to the inductor. These pins connect to the drains
of the internal synchronous power MOSFET switches.
NC (Pins 9, 12): Can be connected to ground or left
open.
SVIN (Pin 18): Signal Input Supply. This pin powers the
internal control circuitry and is monitored by the under-
voltage lockout comparator.
Start-Up from Shutdown with
Prebiased Output
(Forced Continuous Mode)
Output Voltage During Sinking
vs Input Voltage (VOUT = 1.8V,
0.47H Inductor)
Typical perForMance characTerisTics V
IN = 3.3V, RT/SYNC = SVIN unless otherwise noted.
VOUT
500mV/DIV
PGOOD
5V/DIV
IL
5A/DIV
50s/DIV
3616 G31
PREBIASED VOUT = 2.2V
VOUT = 1.2V, IOUT = 0A
VMODE = 1.5V
INPUT VOLTAGE (V)
V OUT
(V)
1.86
1.84
1.82
1.80
1.78
1.88
2.25
4
1.74
1.76
3.25
2.75
4.5
5.25
3616 G32
–3A, 2MHz, 120°C
–3A, 2MHz, 25°C
相關(guān)PDF資料
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參數(shù)描述
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LTC3617EUDD#PBF 功能描述:IC REG SYNC 6A BUCK 24-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR)
LTC3617EUDD#TRPBF 功能描述:IC REG SYNC 6A BUCK 24QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
LTC3617IUDD#PBF 功能描述:IC REG SYNC 6A BUCK 24QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
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