參數資料
型號: LTC3546EUFD#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件頁數: 25/28頁
文件大?。?/td> 356K
代理商: LTC3546EUFD#PBF
LTC3546
6
3546fb
OUT2 Burst Mode Operation
OUT2 Pulse-Skipping Mode
Operation
OUT2 Forced Continuous Mode
Operation
OUT1 Efciency vs Load Current
OUT2 Efciency vs Load Current
OUT1 Efciency vs VIN
1μs/DIV
VOUT
20mV/DIV
ILOAD
500mA/DIV
3546 G11
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 2.5V
ILOAD = 300mA
1μs/DIV
VOUT
20mV/DIV
ILOAD
250mA/DIV
3546 G12
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
ILOAD = 200mA
1μs/DIV
VOUT
20mV/DIV
ILOAD
250mA/DIV
3546 G13
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
ILOAD = 100mA
ILOAD (A)
0.001
EFFICIENCY
(%)
95
90
85
80
75
70
65
60
0.1
3546 G14
10
0.01
1
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
ILOAD (A)
0.001
EFFICIENCY
(%)
95
90
85
80
75
70
60
65
0.1
3546 G15
1
0.01
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
ILOAD (A)
0.001
EFFICIENCY
(%)
100
95
90
85
80
75
70
65
60
0.1
3546 G16
10
0.01
1
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 2.5V
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
ILOAD (A)
0.001
EFFICIENCY
(%)
100
95
90
85
80
75
70
65
60
0.1
3546 G17
10
0.01
1
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 2.5V
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
VIN (V)
EFFICIENCY
(%)
100
82
98
94
90
86
96
92
88
84
80
4.25
4.75
3.75
3546 G18
5.25
3.25
2.75
2.25
400mA
2A
SW1D CONNECTED TO SW1
VOUT = 1.8V
3546 G19
200mA
1A
100
82
98
94
90
86
96
92
88
84
80
4.25
4.75
3.75
5.25
3.25
2.75
2.25
SW1D CONNECTED TO SW2
VOUT = 1.8V
VIN (V)
EFFICIENCY
(%)
TYPICAL PERFORMANCE CHARACTERISTICS
相關PDF資料
PDF描述
LTC3546IUFD DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
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相關代理商/技術參數
參數描述
LTC3546EUFDTRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator
LTC3546IFE#PBF 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓(升壓) 輸出類型:固定 輸出數:1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 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:SOT-23-5 細型,TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3546IFE#TRPBF 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓(升壓) 輸出類型:固定 輸出數:1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 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:SOT-23-5 細型,TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3546IFEPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator
LTC3546IFETRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator