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NCP5623B
POWER SUPPLY SECTION:
(Typical values are referenced to T A = +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
11
10
10
Symbol
V bat
I out
Isch
Rating
Power Supply
Continuous DC current in the load, PWM = 100%
@ V f = 3.4 V, V bat = 3.0 V
@ V f = 3.4 V, 3.3 V < V bat < 5.5 V
Continuous Output Short Circuit Current
Min
2.7
55
75
Typ
45
Max
5.5
90
Unit
V
mA
mA
2.85 V < Vbat < 4.2 V
10
10
Vout
Tstart
Output Voltage Compliance (OVP)
DC/DC Start time (Cout = 1 m F)
3.0 V < Vbat = nominal < 5.5 V
From last acknowledgement bit to full load operation
4.4
150
5.7
V
m s
10
I stdb
Stand By Current
0.8
1.0
m A
3.0 V ≤ V bat ≤ 4.2 V, Iout = 0 mA
10
I op
Operating Current,
350
m A
@Iout = 0 mA, 3.0 V ≤ Vbat ≤ 4.2 V
3,4,5
I TOL
RGB Output Current Tolerance
± 3
%
@Vbat = 3.6 V, I LED = 10 mA
? 25 ° C < Ta < 85 ° C
3,4,5
I MATCH
RGB Output Current LED Matching
± 0.5
%
@Vbat = 3.6 V, I LED = 5.0 mA
Fpwr
Charge Pump Operating Frequency
0.8
1
1.2
MHz
? 40 ° C < Ta < 85 ° C
E PWR
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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