NXP Semiconductors
PF4210
14-channel power management integrated circuit (PMIC) for audio/video applications
Symbol
Parameter
Min
Typ
Max
Unit
VSW4ACC
Output voltage accuracy
PWM, APS, 2.8 V < VIN < 4.5 V, 0 < ISW4 < 1.0 A
0.625 V < VSW4 < 0.85 V
−25
−3.0
−6.0
—
—
—
25
3.0
6.0
mV
%
0.875 V < VSW4 < 1.975 V
2.0 V < VSW4 < 3.3 V
%
PFM, steady state, 2.8 V < VIN < 4.5 V, 0 < ISW4
50 mA
<
−65
−45
−3.0
−3.0
−40
—
—
—
—
—
65
45
mV
mV
%
0.625 V < VSW4 < 0.675 V
0.7 V < VSW4 < 0.85 V
0.875 V < VSW4 < 1.975 V
3.0
3.0
40
%
2.0 V < VSW4 < 3.3 V
mV
VTT Mode , 2.8 V < VIN < 4.5 V, 0 < ISW4 < 1.0 A
[2]
ISW4
Rated output load current
mA
A
2.8 V < VIN < 4.5 V, 0.625 V < VSW4 < 3.3 V
—
—
1000
ISW4LIM
Current limiter peak current detection
Current through inductor
SW4ILIM = 0
1.4
1.0
2.0
1.5
3.0
2.4
SW4ILIM = 1
VSW4OSH
Startup overshoot
mV
µs
ISW4 = 0.0 mA
DVS clk = 25 mV/4 µs, VIN = VINSW4 = 4.5 V
—
—
—
—
66
tONSW4
Turn on time
Enable to 90 % of end value
ISW4 = 0.0 mA
500
DVS clk = 25 mV/4 µs, VIN = VINSW4 = 4.5 V
fSW4
Switching frequency
SW4FREQ[1:0] = 00
SW4FREQ[1:0] = 01
SW4FREQ[1:0] = 10
MHz
%
—
—
—
1.0
2.0
4.0
—
—
—
ηSW4
Efficiency
fSW4 = 2.0 MHz, LSW4 = 1.0 µH
PFM, 1.8 V, 1.0 mA
—
—
—
—
—
—
—
—
81
78
87
88
83
78
76
66
—
—
—
—
—
—
—
—
PFM, 1.8 V, 50 mA
APS, PWM 1.8 V, 200 mA
APS, PWM 1.8 V, 500 mA
APS, PWM 1.8 V, 1000 mA
PWM 0.75 V, 200 mA
PWM 0.75 V, 500 mA
PWM 0.75 V, 1000 mA
ΔVSW4
Output ripple
—
—
—
10
—
—
—
20
20
mV
mV
mV
VSW4LIR
VSW4LOR
Line regulation (APS, PWM)
DC load regulation (APS, PWM)
PF4210
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© NXP B.V. 2018. All rights reserved.
Data sheet: technical data
Rev. 2.0 — 14 November 2018
79 / 137
NXP [ NXP ]
