NXP Semiconductors
PF4210
14-channel power management integrated circuit (PMIC) for audio/video applications
Symbol
Parameter
Min
Typ
Max
Unit
ISW1ABLIM
Current limiter peak current
detection
A
SW1A/B single phase (current
through inductor)
4.5
3.3
6.5
4.9
8.5
6.4
SW1ABILIM = 0
SW1ABILIM = 1
2.2
1.6
3.2
2.4
4.3
3.2
SW1A/B dual phase (current
through inductor per phase)
SW1ABILIM = 0
SW1ABILIM = 1
VSW1ABOSH
Start-up overshoot
mV
µs
ISW1AB = 0.0 mA
DVS clk = 25 mV/4 µs, VIN
VINSW1x = 4.5 V, VSW1AB
1.875 V
=
—
—
—
—
66
=
tONSW1AB
Turn-on time
Enable to 90 % of end value
ISW1AB = 0.0 mA
500
DVS clk = 25 mV/4 µs, VIN
=
VINSW1x = 4.5 V, VSW1AB
1.875 V
=
fSW1AB
Switching frequency
MHz
%
SW1ABFREQ[1:0] = 00
SW1ABFREQ[1:0] = 01
SW1ABFREQ[1:0] = 10
—
—
—
1.0
2.0
4.0
—
—
—
ηSW1AB
Efficiency (single phase)
VIN = 3.6 V, fSW1AB = 2.0 MHz,
LSW1AB = 1.0 µH
—
—
—
—
—
—
82
84
86
87
82
71
—
—
—
—
—
—
PFM, 0.9 V, 1.0 mA
PFM, 1.2 V, 50 mA
APS, PWM, 1.2 V, 500 mA
APS, PWM, 1.2 V, 750 mA
APS, PWM, 1.2 V, 1250 mA
APS, PWM, 1.2 V, 2500 mA
ΔVSW1AB
Output ripple
—
—
—
10
—
—
—
20
20
mV
mV
mV
mV
VSW1ABLIR
VSW1ABLOR
VSW1ABLOTR
Line regulation (APS, PWM)
DC load regulation (APS, PWM)
Transient load regulation
Transient load = 0 to 1.25 A, di/dt =
100 µs
—
—
—
—
50
50
Overshoot
Undershoot
ISW1ABQ
Quiescent current
PFM mode
µA
—
—
18
—
—
APS mode
235
RONSW1AP
SW1A P-MOSFET RDS(on)
VINSW1A = 3.3 V
mΩ
—
215
245
PF4210
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© NXP B.V. 2018. All rights reserved.
Data sheet: technical data
Rev. 2.0 — 14 November 2018
48 / 137
NXP [ NXP ]
