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參數(shù)資料
| 型號(hào)： | LTC1266CS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Synchronous Regulator Controller for N- or P-Channel MOSFETs |
| 中文描述： | SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SO-16 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 361K |
| 代理商： | LTC1266CS |
6
LTC1266
LTC1266-3.3/LTC1266-5
PI FU
TDrive (Pin 1):
High Current Drive for Topside MOSFET.
This MOSFET can be either P-channel or N-channel, user
selectable by Pin 3. Voltage swing at this pin is from PWR
V
IN
to ground.
PWR V
IN
(Pin 2):
Power Suppy for Drive Signals. Must be
closely decoupled to power ground (Pin 15).
PINV (Pin 3):
Phase Invert. Sets the phase of the topside
driver to drive either a P-channel or an N-channel MOSFET
as follows:
P-channel: Pin 3 = 0V
N-channel: Pin 3 = PWR V
IN
BINH (Pin 4):
Burst Mode Operation Inhibit. A CMOS logic
high on this pin will disable the Burst Mode operation
feature forcing continuous operation down to zero load.
V
IN
(Pin 5):
Main Supply Pin.
C
T
(Pin 6):
External Capacitor. C
T
from Pin 4 to ground sets
the operating frequency. The actual frequency is also
dependent on the input voltage.
I
TH
(Pin 7):
Gain Amplifier Decoupling Point. The current
comparator threshold increases with the Pin 7 voltage.
Sense
–
(Pin 8):
Connects to internal resistive divider
which sets the output voltage in LTC1266-3.3 and
LTC1266-5 versions. Pin 8 is also the (–) input for the
current comparator.
U
Sense
+
(Pin 9):
The (+) Input to the Current Comparator.
A built-in offset between Pins 8 and 9 in conjunction with
R
SENSE
sets the current trip threshold.
V
FB
(Pin 10):
For the LTC1266 adjustable version, Pin 10
serves as the feedback pin from an external resistive
divider used to set the output voltage. On LTC1266-3.3
and LTC1266-5 versions this pin is not used.
SHDN (Pin 11):
When grounded, the LTC1266 series
operates normally. Pulling Pin 11 high holds both MOSFETs
off and puts the LTC1266 in micropower shutdown mode.
Requires CMOS logic signal with t
r
, t
f
< 1
μ
s. Should not be
left floating.
SGND (Pin 12):
Small-Signal Ground. Must be routed
separately from other grounds to the (–) terminal of C
OUT
.
LB
IN
(Pin 13):
Input to the Low-Battery Comparator. This
input is compared to an internal 1.25V reference.
LB
OUT
(Pin 14):
Open Drain Output of the Low-Battery
Comparator. This pin will sink current when Pin 13 is
below 1.25V.
PGND (Pin 15):
Driver Power Ground. Connects to source
of N-channel MOSFET and the (–) terminal of C
IN
.
BDrive (Pin 16):
High Current Drive for Bottom N-Chan-
nel MOSFET. Voltage swing at Pin 16 is from ground to
PWR V
IN
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1266CS-3.3 | Synchronous Regulator Controller for N- or P-Channel MOSFETs |
| LTC1266CS-5 | Synchronous Regulator Controller for N- or P-Channel MOSFETs |
| LTC1267- ADJ | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| LTC1267- ADJ5 | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| LTC1267-ADJ5 | Circular Connector; No. of Contacts:37; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-35 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1266CS#PBF | 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR |
| LTC1266CS#TR | 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LTC1266CS#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LTC1266CS-3.3 | 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LTC1266CS-3.3#PBF | 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
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