參數(shù)資料
型號(hào)： LTC1923
廠商： Linear Technology Corporation
英文描述： High Efficiency Thermoelectric Cooler Controller
中文描述： 高效熱電制冷控制器
文件頁數(shù)： 4/28頁
文件大小： 452K
代理商： LTC1923
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1923EGN 功能描述:IC CONTROLLER TEC HI EFF 28SSOP 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
LTC1923EGN#PBF 功能描述:IC CONTROLLER TEC HI EFF 28SSOP 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
LTC1923EGN#TR 功能描述:IC CONTROLLER TEC HI EFF 28SSOP 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
LTC1923EGN#TRPBF 功能描述:IC CONTROLLER TEC HI EFF 28SSOP 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
LTC1923EGNPBF 制造商:Linear Technology 功能描述:Thermoelectric Cooler Controller SSOP28
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