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參數(shù)資料
| 型號： | LTC1754ES6-5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower, Regulated 3.3V/5V Charge Pump with Shutdown in SOT-23 |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, PDSO6 |
| 封裝： | PLASTIC, SOT-23, 6 PIN |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 201K |
| 代理商： | LTC1754ES6-5 |
1
LTC1754-3.3/LTC1754-5
Micropower, Regulated
3.3V/5V Charge Pump with
Shutdown in SOT-23
I
Ultralow Power: I
IN
= 13
μ
A
I
Regulated Output Voltage: 3.3V
±
4%, 5V
±
4%
I
5V Output Current: 50mA (V
IN
≥
3.0V)
I
3.3V Output Current: 40mA (V
IN
≥
2.5V)
I
No Inductors Needed
I
Very Low Shutdown Current: <1
μ
A
I
Shutdown Disconnects Load from V
IN
I
Internal Oscillator: 600kHz
I
Short-Circuit and Overtemperature Protected
I
Ultrasmall Application Circuit: (0.052 Inch
2
)
I
6-Pin SOT-23 Package
I
SIM Interface Supplies for GSM Cellular Telephones
I
White LED Power Supplies
I
Li-Ion Battery Backup Supplies
I
Handheld Computers
I
Smart Card Readers
I
PCMCIA Local 5V Supplies
The LTC
1754 is a micropower charge pump DC/DC
converter that produces a regulated output. The input
voltage range is 2V to 4.4V for 3.3V output and 2.7V to
5.5V for 5V output. Extremely low operating current and a
low external parts count (one flying capacitor and two
small bypass capacitors at V
IN
and V
OUT
) make the LTC1754
ideally suited for small, battery-powered applications. The
total component area of the application circuit shown
below is only 0.052 inch
2
.
The LTC1754 operates as a Burst Mode
TM
switched capaci-
tor voltage doubler to produce a regulated output. It has
thermal shutdown capability and can survive a continuous
short circuit from V
OUT
to GND.
The LTC1754 is available in a 6-pin SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Burst Mode is a trademark of Linear Technology Corporation.
LTC1754-5
Output Voltage vs Supply Voltage
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
SUPPLY VOLTAGE (V)
2.5
4.85
O
4.90
4.95
5.00
5.05
5.15
3.0
3.5
4.0
4.5
1574 TA03
5.0
5.5
5.10
T
A
= –40
°
C
T
A
= 85
°
C
I
OUT
= 25mA
C
OUT
= 10
μ
F
C
FLY
= 1
μ
F
T
A
= 25
°
C
SUPPLY VOLTAGE (V)
2.0
O
3.30
3.35
4.0
1754 TA02
3.25
3.20
2.5
3.0
3.5
4.5
3.40
I
OUT
= 20mA
C
OUT
= 10
μ
f
C
FLY
= 1
μ
F
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
LTC1754-3.3
Output Voltage vs Supply Voltage
1
LTC1754-X
GND
Regulated 3.3V Output from 2V to 4.4V Input
V
= 3.3V
±
4%
I
OUT
= 0mA TO 20mA, V
IN
> 2.0V
I
OUT
= 0mA TO 40mA, V
IN
> 2.5V
Regulated 5V Output from 2.7V to 5.5V Input
V
= 5V
±
4%
I
OUT
= 0mA TO 25mA, V
IN
> 2.7V
I
OUT
= 0mA TO 50mA, V
IN
> 3.0V
2
3
6
5
4
ON/OFF
V
OUT
1754 TA01
V
IN
V
OUT
10
μ
F
1
μ
F
10
μ
F
SHDN
C
+
V
IN
C
–
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| LTC1754ES6-5#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER 600KHZ 5V 5 制造商:Linear Technology 功能描述:DC-DC CONVERTER, 700KHZ, 5V, 50mA, SOT-23-6; Primary Input Voltage:5.5V; No. of Outputs:1; Output Voltage:5V; Output Current:50mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C ;RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DC-DC CONVERTER, 600KHZ, 5V, 50mA, SOT-23-6; Primary Input Voltage:5.5V; No. of Outputs:1; Output Voltage:5V; Output Current:50mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C ;RoHS Compliant: Yes |
| LTC1754ES6-5#TR | 功能描述:IC REG SWITCHED CAP 5V SOT23-6 RoHS:否 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:500 系列:- 類型:切換式電容器（充電泵），反相 輸出類型:固定 輸出數(shù):1 輸出電壓:-3V 輸入電壓:2.3 V ~ 5.5 V PWM 型:Burst Mode? 頻率 - 開關(guān):900kHz 電流 - 輸出:100mA 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:SOT-23-6 細(xì)型，TSOT-23-6 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:TSOT-23-6 其它名稱:LTC1983ES6-3#TRMTR |
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| LTC1754ES6-5#TRMPBF | 功能描述:IC REG SWITCHED CAP 5V SOT23-6 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:- 產(chǎn)品培訓(xùn)模塊:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色產(chǎn)品:BD91x Series Step-Down Regulators 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):2 輸出電壓:3.3V，0.8 V ~ 2.5 V 輸入電壓:4.5 V ~ 5.5 V PWM 型:電流模式 頻率 - 開關(guān):1MHz 電流 - 輸出:1.5A 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:20-VFQFN 裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:VQFN020V4040 產(chǎn)品目錄頁面:1373 (CN2011-ZH PDF) 其它名稱:BD9152MUV-E2TR |
| LTC1754ES6-5#TRMPBF (CUT REEL) | 制造商:Linear Technology 功能描述: |
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