NXP Semiconductors
PF4210
14-channel power management integrated circuit (PMIC) for audio/video applications
Symbol
Parameter
Min
Typ
Max
Unit
[2]
ISW3x
Rated output load current
mA
2.8 V < VIN < 4.5 V, 0.625 V < VSW3x < 3.3 V
PWM, APS mode single/dual phase,
SW3xILIM = 0
—
—
—
—
3000
1500
PWM, APS mode independent (per phase),
SW3xILIM = 0
ISW3xLIM
Current limiter peak current detection
Single phase (current through inductor)
SW3xILIM = 0
A
3.5
2.7
5.0
3.8
6.5
4.9
SW3xILIM = 1
Independent mode or dual phase (current
through inductor per phase)
SW3xILIM = 0
SW3xILIM = 1
1.8
1.3
2.5
1.9
3.3
2.5
VSW3xOSH
Startup overshoot
ISW3x = 0.0 mA
mV
µs
—
—
66
DVS clk = 25 mV/4 µs, VIN = VINSW3x
4.5 V
=
=
tONSW3x
Turn on time
Enable to 90 % of end value
ISW3x = 0 mA
DVS clk = 25 mV/4 µs, VIN = VINSW3x
4.5 V
—
—
500
fSW3x
Switching frequency
SW3xFREQ[1:0] = 00
SW3xFREQ[1:0] = 01
SW3xFREQ[1:0] = 10
MHz
%
—
—
—
1.0
2.0
4.0
—
—
—
ηSW3AB
Efficiency (single phase)
fSW3 = 2.0 MHz, LSW3x 1.0 µH
PFM, 1.5 V, 1.0 mA
—
—
—
—
—
—
—
84
85
85
84
80
74
65
—
—
—
—
—
—
—
PFM, 1.5 V, 50 mA
APS, PWM 1.5 V, 500 mA
APS, PWM 1.5 V, 750 mA
APS, PWM 1.5 V, 1250 mA
APS, PWM 1.5 V, 2500 mA
APS, PWM 1.5 V, 3000 mA
ΔVSW3x
Output ripple
—
—
—
10
—
—
—
20
20
mV
mV
mV
mV
VSW3xLIR
VSW3xLOR
VSW3xLOTR
Line regulation (APS, PWM)
DC load regulation (APS, PWM)
Transient load regulation
Transient load = 0.0 mA to ISW3x/2, di/dt = 100
mA/µs
—
—
—
—
50
50
Overshoot
Undershoot
PF4210
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© NXP B.V. 2018. All rights reserved.
Data sheet: technical data
Rev. 2.0 — 14 November 2018
71 / 137
NXP [ NXP ]
