參數(shù)資料
型號： 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)： 3/28頁
文件大?。?/td> 452K
代理商： LTC1923
3
LTC1923
1923f
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.
ELECTRICAL CHARACTERISTICS
SYMBOL
Reference
V
REF
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Output Voltage
No Load
2.462
2.450
2.5
2.538
2.550
2.45
25
20
V
V
V
G
V
REFGD
LDREG
LINEREG
V
REFISC
Oscillator and Phase-Locked Loop
f
OSCI
Initial Oscillator Frequency
f
OSC
Frequency Variation
OSCPK
C
T
Ramp Peak
OSCVLY
C
T
Ramp Valley
C
TICH
C
T
Charge Current
C
TIDIS
C
T
Discharge Current
PLLGAIN
Gain from PLLLPF to R
T
I
PLLLPF
Phase Detector Output Current
Sinking
Sourcing
MSTTH
Master Threshold On PLLLPF Pin
SDDLY
Shutdown Delay to Output
Error Amplifier
V
OS
Input Offset Voltage
AOL
Open-Loop Gain
V
CM
Common Mode Input Range
I
IB
FB and CNTRL Input Bias Currents
V
OH
Output High
V
OL
Output Low
I
SOURCE
Sourcing Current
I
SINK
Sinking Current
GBW
Gain-Bandwidth Product
Current Sense Amplifier
ACS
Amplifier Gain
CSOFF
Amplifier Offset
I
TECH
Output Sourcing Load Regulation
I
TECL
Output Sinking Load Regulation
f3dB
–3dB Frequency
I
LIMTH
Current Limit Threshold
I
LIMDLY
Current Limit Delay to Output
SSI
CHG
Soft-Start Charge Current
SSI
LIM
Soft-Start Current Limit Threshold
I
LIM
I
LIM
Current Limit Threshold
V
REF
Good Threshold
Load Regulation
Line Regulation
Short-Circuit Current
V
REF
Rising Threshold
I
LOAD
= –1mA to –10mA
V
DD
= 2.7V to 5.5V
V
REF
= 0V
G
2.25
10
5
20
mV
mV
mA
10
R
T
= 10k, C
T
= 330pF
V
DD
= 2.7V to 5V, C
T
= 330pF, R
T
= 10k
190
165
1.4
0.4
225
225
1.5
0.5
–150
150
–0.9
260
270
1.6
0.6
kHz
kHz
G
V
V
C
T
= 0.3V, R
T
= 10k
C
T
= 1.8V, R
T
= 10k
μ
A
μ
A
V/V
–1.1
–0.7
f
SYNC
< f
OSC
f
SYNC
> f
OSC
Measured at SDSYNC Pin
12
–12
μ
A
μ
A
V
μ
s
V
DD
– 0.7 V
DD
– 0.4
20
45
EAOUT = 1V, V
CM
= 2.5V
EAOUT = 0.45V to 1.55V, CNTRL = 2.5V
EAOUT = 1V
FB = CNTRL = 1.25
I
LOAD
= –100
μ
A
I
LOAD
= 100
μ
A
EAOUT = 1V, FB = 2.4V, CNTRL = 2.5V
EAOUT = 1V, FB = 5V, CNTRL = 2.5V
f = 100kHz (Note 3)
–18
18
mV
dB
80
0.2
–100
V
DD
+ 0.2
100
V
nA
V
V
mA
mA
MHz
1.65
0.3
–1.5
2
2
0.45
–0.5
1
10
–2
0.1
0.1
500
145
300
–1.5
70
70
V/V
mV
Measured at I
TEC
CS
+
- CS
–
= 100mV, I
LOAD
= 0 to –50
μ
A
CS
+
- CS
–
= 100mV, I
LOAD
= 0 to 50
μ
A
(Note 3)
Measured at CS
+
, CS
–
–15
10
0.2
0.2
V
V
kHz
mV
ns
μ
A
mV
mV
G
125
165
450
–0.5
90
90
SS = 0.75V
SS = 0.5V, Measured at CS
+
, CS
–
I
LIM
= 0.5V, Measured at CS
+
, CS
–
–2.5
50
50
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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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