參數(shù)資料
型號(hào): LTC3526EDC
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING CONTROLLER, 1300 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6
文件頁數(shù): 13/16頁
文件大?。?/td> 731K
代理商: LTC3526EDC
LTC3526/LTC3526B
6
3526fa
PI FU CTIO S
U
SW(Pin1):SwitchPin.ConnectinductorbetweenSWand
VIN. Keep PCB trace lengths as short and wide as possible
to reduce EMI. If the inductor current falls to zero or SHDN
is low, an internal anti-ringing switch is connected from
SW to VIN to minimize EMI.
GND (Pin 2): Signal and Power Ground. Provide a short
direct PCB path between GND and the (–) side of the input
and output capacitors.
VOUT(Pin3):Outputvoltagesenseanddrainoftheinternal
synchronous rectier. PCB trace from VOUT to the output
lter capacitor (4.7F minimum) should be as short and
wide as possible.
SHDN (Pin 4): Logic Controlled Shutdown Input. There
is an internal 4MΩ pull-down on this pin.
SHDN = High: Normal operation
SHDN = Low: Shutdown, quiescent current < 1A
FB (Pin 5): Feedback Input to the gm Error Amplier. Con-
nect resistor divider tap to this pin. The top of the divider
connects to the output capacitor, the bottom of the divider
connectstoGND.ReferringtotheBlockDiagram,theoutput
voltage can be adjusted from 1.6V to 5.25V by:
V
R
OUT =
+
1 195
1
2
1
.
VIN (Pin 6): Input Supply Pin. Connect a minimum of 1F
ceramicdecouplingcapacitorfromthispintogroundusing
short direct PCB traces.
Exposed Pad (Pin 7): The Exposed Pad must be soldered
to the PCB ground plane. It serves as an additional ground
connection and as a means of conducting heat away from
the package.
TYPICAL PERFOR A CE CHARACTERISTICS
U
W
Load Step Response (from Burst
Mode Operation)
Load Step Response
(Fixed Frequency)
LOAD
CURRENT
50mA/DIV
100
s/DIV
VIN = 1.2V
VOUT = 3.3V
50mA TO 100mA STEP
COUT = 10F
3526 G21
VOUT
100mV/DIV
AC COUPLED
LOAD
CURRENT
50mA/DIV
50
s/DIV
VIN = 1.2V
VOUT = 3.3V
5mA TO 100mA STEP
COUT = 10F
3526 G22
VOUT
100mV/DIV
AC COUPLED
相關(guān)PDF資料
PDF描述
LTC3526BEDC 0.5 A SWITCHING CONTROLLER, 1300 kHz SWITCHING FREQ-MAX, PDSO6
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參數(shù)描述
LTC3526EDC#PBF 制造商:Linear Technology 功能描述:IC SYNC STEP-UP DC/DC CONVERTER DFN-6 制造商:Linear Technology 功能描述:IC, SYNC STEP-UP DC/DC CONVERTER, DFN-6 制造商:Linear Technology 功能描述:IC, SYNC STEP-UP DC/DC CONVERTER, DFN-6; Primary Input Voltage:6V; No. of Outputs:1; Output Voltage:5.25V; Output Current:500mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes
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LTC3526EDC#TRPBF 功能描述:IC REG BOOST SYNC ADJ 0.5A 6DFN 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:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LTC3526EDC-2#TRMPBF 功能描述:IC REG BOOST SYNC ADJ 0.5A 6DFN 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:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
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