NCP5623B 데이터 시트보기 (PDF) - ON Semiconductor
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NCP5623B Datasheet PDF : 11 Pages
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NCP5623B
POWER SUPPLY SECTION:
(Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient temperature, unless otherwise
noted), operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.
Pin
Symbol
Rating
Min
Typ
Max
Unit
11
Vbat
Power Supply
2.7
10
Iout
Continuous DC current in the load, PWM = 100%
@ Vf = 3.4 V, Vbat = 3.0 V
55
@ Vf = 3.4 V, 3.3 V < Vbat < 5.5 V
75
5.5
V
mA
10
Isch
Continuous Output Short Circuit Current
2.85 V < Vbat < 4.2 V
45
90
mA
10
Vout
Output Voltage Compliance (OVP)
4.4
5.7
V
10
Tstart DC/DC Start time (Cout = 1 mF)
3.0 V < Vbat = nominal < 5.5 V
from last CNTL positive pulse delay to full load operation
150
ms
10
Istdb
Stand By Current
3.0 V ≤ Vbat ≤ 4.2 V, Iout = 0 mA
0.8
1.0
mA
10
Iop
Operating Current,
@Iout = 0 mA, 3.0 V ≤ Vbat ≤ 4.2 V
350
mA
3,4,5
ITOL
RGB Output Current Tolerance
@Vbat = 3.6 V, ILED = 10 mA
−25°C < Ta < 85°C
±3
%
3,4,5
IMATCH
Fpwr
RGB Output Current LED Matching
@Vbat = 3.6 V, ILED = 5.0 mA
Charge Pump Operating Frequency
−40°C < Ta < 85°C
±0.5
%
0.8
1
1.2
MHz
EPWR
Efficiency @ Vbat = 3.6 V
− LED1 to LED3 = 5 mA, Vf = 2.8 V (Total = 15 mA)
− LED1 to LED3 = 20 mA, Vf = 3.2 V (Total = 60 mA)
%
94.2
92.3
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