SC1592 查看數據表（PDF） - Semtech Corporation
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SC1592 Datasheet PDF : 18 Pages
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SC1592
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: VIN = 2.5V, VEN = VCNTL = 3.3V, VOUT = 1.8V, IOUT = 10mA, RLIM = 100Ω, TJ = TA = 25°C.
Values in bold indicate -40°C < TJ < +125°C.
Parameter
Symbol
Test Conditions
Min
Typ
Max Units
Thermal Shutdown
Thermal Shutdown
Hysteresis
TSHUT
150
°C
10
°C
SENSE Input Current
1
µA
Low Level EN
0.8
V
High Level EN
2
V
EN Input Current
EN Impedance
VEN = VCNTL = 5V
55
100
µA
65
KΩ
Current Limit Accuracy(2)
ILIM
-20
+20
%
Notes:
(1) For load regulation use a 1ms current pulse width, d.c. ≤ 10% when measuring VOUT.
(2)
Current limit is programmable,
ILIM
≈
240 • VOUT
RLIM
2004 Semtech Corp.
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www.semtech.com
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