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SC4437 bảng dữ liệu(PDF) 3 Page - Semtech Corporation

tên linh kiện SC4437
Giải thích chi tiết về linh kiện  Wide Input Voltage Range Precision Voltage Reference
PDF  12 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4437 bảng dữ liệu(HTML) 3 Page - Semtech Corporation

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© 2009 Semtech Corp.
SC4437
3
Electrical Characteristics
Exceeding the above speci cations may result in permanent damage to the device or device malfunction. Operation outside of the parameters
speci ed in the Electrical Characteristics section is not recommended.
NOTES:
(1)
For V
IN ≤ 10 V.
(2)
Compatible for Wave Soldering and IR Re ow.
(3)
Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB per JESD51 standards.
(4)
If the part is stored outside of the speci ed temperature range, the output may drift.
Recommended Operating Conditions
V
IN Voltage …………………… …………………… 4.2 to 28V
Maximum Output Current
………………………………… 20mA
Temperature Range ……………………………-40 C to 125 C
Thermal Resistance, Junction to Ambient(3) ……… 202 °C/W
Maximum Junction Temperature …………………… +150°C
Storage Temperature Range(4) ………………-65°C to +150°C
Thermal Information
Absolute Maximum Ratings
V
IN Voltage ……………………………………………… 30V
Reverse Voltage …………………………………………-15V
Output Short Circuit Duration ………………… Indefinite(1)
Lead Temperature (Soldering) 10 seconds (2) ………… 260°C
ESD Rating ……………………………………… … …… 2kV
Unless speci ed: V
IN= VOUT + 2.5V, IOUT = 0, CIN= 0.1µF, CO = 0µF, -40°C< TA =TJ < 125°C
Parameter
Symbol
Conditions
Min
Typ
Max
Units
INPUT
Input Voltage Range
V
IN
Refer to Line Regulation Spec.
4.2
28
V
Drop Out Voltage
V
IN-VOUT
I
OUT = 0
0.6
0.9
V
I
OUT = 10mA, TA = 25°C
0.9
1.28
V
I
OUT = 10mA
1.38
V
Leakage Current for Input Voltage
Reverse Connection
I
REV
V
IN = -15V
2
6
µΑ
Quiescent Current
I
Q
T
A = 25°C
110
180
µΑ
220
µΑ
OUTPUT
Output Voltage
V
OUT
T
J =25°C
3.3
V
Output Voltage Accuracy
%
0°C≤T
J < 100°C, 0mA<IOUT ≤ 20mA,
4.2V ≤V
IN ≤28V
-1
1
%
Line Regulation
dV
OUT/dVIN
V
OUT + 0.9V ≤ VIN ≤ VOUT +2.5V
T
A = 25°C
100
500
ppm/V
3300
ppm/V
V
OUT + 2.5V ≤ VIN ≤ 28V
T
A = 25°C
50
100
ppm/V
300
ppm/V



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