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NCP5010
ELECTRICAL CHARACTERISTICS (Limits apply for T A between ?40 ° C to +85 ° C and V IN = 3.6 V, unless otherwise noted)
Pin
B1
C2
Symbol
V IN
I PEAK_MAX
NMOS R DS(on)
F OSC
M DUTY
Rating
Supply Voltage
Switch Current Limit
Internal Switch On Resistor
PWM Oscillator Frequency
Maximum Duty Cycle
Min
2.7
280
0.8
91
Typ
420
0.6
1.0
95
Max
5.5
560
1.0
1.2
Unit
V
mA
W
MHz
%
E FF
Efficiency (Note 7)
84
%
C1
C1
C1
OVP ON
OVP H
P OUT
Overvoltage Clamp Voltage
Overvoltage Clamp Hysteresis
Output power (Note 8)
20
22
1.0
V
V
mW
V IN = 3.1 V
V IN < 3.1 V
500
300
C1
I OUT
Minimum Output Current Controlled No Skip Mode
1.0
mA
(Note 9)
B3
F BV
Feedback Voltage Threshold in Steady State
mV
Overtemperature range
At 25 ° C
475
490
500
500
525
510
C1
B1
F BVLR
U VLO
Feedback Voltage Line Regulation (Notes 9 and 10)
From DC to 100 Hz
V IN Undervoltage Lockout measured at 25 ° C
0.2
0.5
%/V
V
Threshold to Enable the Converter
Threshold to Disable the Converter
2.2
2.0
2.4
2.2
2.6
2.4
B1
C1
B1
U VLOH
I OUTSC
S CPT
Undervoltage Lockout Hysteresis
Short Circuit Output Current
Short Circuit Protection Threshold
Detected
Released
35
47
200
20
50
67
65
87
mV
mA
% of V IN
B1
ISTDB
Stand by Current, I OUT = 0 mA, CTRL = Low
2.0
m A
C2
V bat = 4.2 V
I Q
Quiescent Current
Device Not Switching (BF = VIN)
Device Switching (R FB disconnected)
0.4
1.0
mA
A2
A2
V IL
V IH
Voltage Input Logic Low
Voltage Input Logic High
1.2
0.3
V
V
A2
R CTRL
CTRL Pin Pulldown Resistance
175
370
k W
7. Efficiency is defined by 100 * (P out / P in ) at 25 ° C
V IN = 4.2 V with L= Coilcraft DT1608C?223
I OUT = 30 mA, Load = 5 LEDs (V F = 3.5 V per LED) bypassed by 1 m F X5R
8. Guaranteed by design and characterized with L = 22 m H, DCR = 0.7 W max.
9. Load = 4 LEDs (V F = 3.5 V by LED), C OUT = 1 m F X5R, L= Coilcraft DT1608C?223.
10. V IN = 3.6 V, Ripple = 0.2 V P?P, I OUT = 15 mA.
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