SC4216 データシートの表示（PDF） - Semtech Corporation
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SC4216 Datasheet PDF : 9 Pages
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SC4216
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
IO =1.5A
IO = 2A
Dropout Voltage(1)(2)
VDO
IO = 2.5A
IO =3A
Minimum Load Current(3)(4)
Current Limit(4)
Feedback
Reference Voltage(1)
Feedback Pin Current(4)
Feedback Pin Threshold(5)
EN
Enable Pin Current
Enable Pin Threshold
Over Temperature Protection
High Trip Level
Hysteresis
IO
ICL
VREF
IADJ
VTH(FB)
IEN
VIH
VIL
THI
THYST
IO = 3A, 1.6V ≤ VIN ≤ 5.5V
VIN = 3.3V, VFB = VOUT , IO =10mA
VFB = VREF
VEN = 0V, VIN =3.3V
VIN=3.3V
Min Typ Max Units
250 350
400
300 400
500
350 450
mV
600
450 550
700
400 500
650
10
µA
3.5 4.5
5.0
A
0.495 0.5 0.505
V
0.490
0.510
80
200
nA
0.05 0.10 0.15
V
1.5
10
µA
1.6
V
0.4
160
OC
10
OC
Notes:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) VDO = VIN -VO when VO decreases by 1.5% of its nominal output voltage with VIN = VO +0.8V.
(3) Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this requirement.
(4) Guaranteed by design.
(5) When VFB exceeds this threshold, the “Sense Select” switch disconnects the internal feedback chain from the error ampli er and connects VFB
instead.
4
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