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參數資料
| 型號： | LT3695HMSE-5#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 2420 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件頁數： | 1/30頁 |
| 文件大小： | 491K |
| 代理商： | LT3695HMSE-5#PBF |
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LT3695 Series
1
3695fa
TYPICAL APPLICATION
DESCRIPTION
1A Fault Tolerant Micropower
Step-Down Regulator
The LT3695 series are adjustable frequency (250kHz to
2.2MHz) monolithic buck switching regulators that accept
input voltages up to 36V and can safely sustain transient
voltages up to 60V. The devices include a high efciency
switch, a boost diode, and the necessary oscillator, control
and logic circuitry. Current mode topology is used for fast
transient response and good loop stability. A SYNC pin
allows the user to synchronize the part to an external clock,
and to choose between low ripple Burst Mode operation
and standard PWM operation.
The LT3695 regulators tolerate adjacent pin shorts or
an open pin without raising the output voltage above its
programmed value.
Low ripple Burst Mode operation maintains high ef-
ciency at low output currents while keeping output ripple
below 15mV in a typical application. Shutdown reduces
input supply current to less than 1μA while a resistor and
capacitor on the RUN/SS pin provide a controlled output
voltage ramp (soft-start). Protection circuitry senses the
current in the power switch and external Schottky catch
diode to protect the LT3695 regulators against short-circuit
conditions. Frequency foldback and thermal shutdown
provide additional protection.
The LT3695 series is available in a thermally enhanced
16-pin MSOP package.
5V Step-Down Converter
FEATURES
APPLICATIONS
n
Wide Input Range:
Operation from 3.6V to 36V
Overvoltage Lockout Protects Circuits Through
60V Transients
n
FMEA Fault Tolerant:
Output Stays at or Below Regulation Voltage
During Adjacent Pin Short or When a Pin Is Left
Floating
n
1A Output Current
n
Low Ripple (< 15mVP-P) Burst Mode Operation
IQ = 75μA for 12VIN to 3.3VOUT with No Load
n
Adjustable Switching Frequency: 250kHz to 2.2MHz
n
Short-Circuit Protected
n
Synchronizable Between 300kHz and 2.2MHz
n
Output Voltage: 0.8V to 20V
n
Power Good Flag
n
Fixed Output Voltage Versions for 3.3V and 5V Available
n
Small, Thermally Enhanced 16-Pin MSOP Package
n
Automotive Battery Regulation
n
Automotive Entertainment Systems
n
Distributed Supply Regulation
n
Industrial Supplies
Efciency
VIN
BD
LT3695
RUN/SS
VC
0.22μF
VOUT
5V
0.9A, VIN > 6.9V
1A, VIN > 12V
102k
f = 800kHz
536k
10μH
10μF
3695 TA01a
470pF
2.2μF
VIN
6.9V TO 36V
TRANSIENT TO 60V
RT
PG
40.2k
16.2k
SYNC
BOOST
ON OFF
SW
DA
FB
GND
PGND
LOAD CURRENT (A)
0
50
EFFICIENCY
(%)
60
70
80
90
100
0.2
0.4
0.6
0.8
1
VOUT = 5V
VOUT = 3.3V
VIN = 12V
L = 10μH
f = 800kHz
3695 TA01b
L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT3695HMSEPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Fault Tolerant Micropower Step-Down Regulator |
| LT3695HMSETRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Fault Tolerant Micropower Step-Down Regulator |
| LT3695IMSE#PBF | 功能描述:IC REG BUCK ADJ 1A 16MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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 |
| LT3695IMSE#TRPBF | 功能描述:IC REG BUCK ADJ 1A 16MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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 |
| LT3695IMSE-3.3#PBF | 功能描述:IC REG BUCK 3.3V 1A 16MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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 |
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