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(yè)數(shù): 2/28頁(yè)
文件大?。?/td> 452K
代理商: LTC1923
2
LTC1923
1923f
V
DD
to GND................................................. –0.3V to 6V
SDSYNC, R
SLEW
......................................... –0.3V to 6V
FB, CNTRL, V
THRM
, I
LIM
, V
SET
..................... –0.3V to 6V
CS
+
, CS
, TEC
+
, TEC
.................................–0.3V to 6V
ORDER PART
NUMBER
LTC1923EGN
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PLLLPF
R
SLEW
SDSYNC
CNTRL
EAOUT
FB
AGND
SS
I
LIM
V
SET
FAULT
V
THRM
H/C
V
TEC
R
T
C
T
V
REF
PDRVB
NDRVB
V
DD
PGND
NDRVA
PDRVA
CS
+
CS
I
TEC
TEC
+
TEC
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
FAULT, H/C................................................. –0.3V to 6V
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 125
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
LTC1923EUH
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
CNTRL
EAOUT
FB
AGND
NC
SS
I
LIM
V
SET
PDRVB
NDRVB
V
DD
V
DD
PGND
NDRVA
PDRVA
CS
+
S
R
S
P
R
T
C
T
V
R
N
N
F
V
T
H
V
T
T
T
+
I
T
C
UH PACKAGE
32-LEAD PLASTIC QFN
PIN 1
TOP VIEW
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
SYMBOL
Input Supply
VDD
UVLO
UVHYST
I
DD
I
DDSHDN
SHDNTH
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
Undervoltage Lockout
Hysteresis
Operating Supply Current
Shutdown I
DD
Shutdown Threshold
G
2.7
5.5
2.7
V
V
Low to High Threshold
High to Low
No Output Load, Outputs Not Switching
SDSYNC = 0V
Measured at PDRVA, PDRVB
G
2.6
130
2
10
0.8
G
50
mV
mA
μ
A
4
25
1.4
0.3
V
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LTC1923EGNPBF 制造商:Linear Technology 功能描述:Thermoelectric Cooler Controller SSOP28