參數(shù)資料
型號： LTC1923EUH
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： High Efficiency Thermoelectric Cooler Controller
中文描述： SWITCHING CONTROLLER, 270 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù)： 4/28頁
文件大小： 452K
代理商： LTC1923EUH
4
LTC1923
1923f
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1923E is guaranteed to meet specifications from 0
°
C to
70
°
C. Specifications over the –40
°
C to 85
°
C operating temperature range
are assured by design, characterization and correlation with statistical
process controls.
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25
°
C.
V
DD
= 5V, R
SLEW
= V
DD
, SDSYNC = V
DD
, R
T
= 10k, C
T
= 330pF unless otherwise noted.
Note 3:
Guaranteed by design, not tested in production.
SYMBOL
TEC Voltage Amplifier
ATEC
TECOFF
TECCMR
V
TECH
V
TECL
f3dB
Output Drivers
OUTH
OUTL
t
RISE
t
FALL
t
rSLEW
t
fSLEW
t
rSLEW
t
fSLEW
SLEWVT
DLY
Fault
OPENTH
SHRTTH
FLTV
Direction Comparator
DIRH
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Amplifier Gain
Amplifier Offset
Common Mode Rejection
Output High Voltage
Output Low Voltage
–3dB Frequency
0.98
1
1.02
V/V
mV
dB
Measured at V
TEC
, V
CM
= 2.5V
0.1V < V
CM
< 4.9V
I
LOAD
= –50
μ
A
I
LOAD
= 50
μ
A
(Note 3)
–7
60
4.9
0.1
1
4.7
V
V
0.3
MHz
Output High Voltage
Output Low Voltage
Output Rise Time
Output Fall Time
Output Rise Time
Output Fall Time
Output Rise Time
Output Slew Fall Time
R
SLEW
Disable Threshold
Output Dead Time
I
OUT
= –100mA
I
OUT
= 100mA
C
LOAD
= 1nF
C
LOAD
= 1nF
C
LOAD
= 1nF, R
SLEW
= 10k
C
LOAD
= 1nF, R
SLEW
= 10k
C
LOAD
= 1nF, R
SLEW
= 100k
C
LOAD
= 1nF, R
SLEW
= 100k
4
4.5
0.7
20
20
20
20
90
90
2.75
90
V
V
1.2
ns
ns
ns
ns
ns
ns
V
ns
R
T
= 10k
Open Thermistor Threshold
Shorted Thermistor Threshold
Fault Output Low Voltage
V
SET
= 5V, Measured with Respect to V
SET
V
SET
= 5V, Measured with Respect to GND
1mA Into FAULT, During Fault
–410
0.975
150
mV
V
300
mV
Low-to-High Threshold
TEC
–
= 2.5V, Measured with Respect to TEC
–
Sensed When H/C Toggles Low
TEC
–
= 2.5V, Measured with Respect to TEC
–
Sensed When H/C Toggles High
1mA Into Pin
50
mV
DIRL
High-to-Low Threshold
–50
mV
HCV
H/C Output Low Voltage
150
300
mV
相關(guān)PDF資料
PDF描述
LTC1929IG Isolated Flyback Switching Regulator with 9V Output
LTC1929C Isolated Flyback Switching Regulator with 9V Output
LTC1929CG Isolated Flyback Switching Regulator with 9V Output
LTC1929I Isolated Flyback Switching Regulator with 9V Output
LTC1929 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1923EUH#PBF 功能描述:IC THERMOELEC COOLER CNTRLR32QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 應(yīng)用:熱電冷卻器 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.173"，4.40mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:28-TSSOP 裸露焊盤 包裝:管件 產(chǎn)品目錄頁面:1410 (CN2011-ZH PDF)
LTC1923EUH#TR 功能描述:IC THERMOELEC COLLER CNTRLR32QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC1923EUH#TRPBF 功能描述:IC THERMOELEC COOLER CNTRLR32QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC1928ES6-5#PBF 制造商:Linear Technology 功能描述:Charge Pump STPUP 5V 30mA 6-Pin TSOT-23
LTC1928ES6-5#TR 功能描述:IC REG SWITCHED CAP DBL 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
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*