NCP5623B

www.onsemi.com

5

POWER SUPPLY SECTION:

noted), operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.

Pin

Symbol

Rating

Min

Typ

Max

Unit

11

Power Supply

2.7

5.5

V

10

Continuous DC current in the load, PWM = 100%

55

75

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 acknowledgement bit to full load operation

150

ms

10

Stand By Current

3.0 V

0.8

1.0

mA

10

Operating Current,

@Iout = 0 mA, 3.0 V

≤ Vbat ≤ 4.2 V

350

mA

3,4,5

RGB Output Current Tolerance

−25

°C < Ta < 85°C

±3

%

3,4,5

RGB Output Current LED Matching

±0.5

%

Fpwr

Charge Pump Operating Frequency

−40

°C < Ta < 85°C

0.8

1

1.2

MHz

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

%