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ACT41000-104 데이터시트(PDF) 8 Page - Qorvo, Inc

부품명 ACT41000-104
상세설명  Programmable Voltage, Programmable Current, Low Noise RFPoL Step-Down Voltage Regulator
PDF  72 Pages
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제조업체  QORVO [Qorvo, Inc]
홈페이지  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT41000-104 데이터시트(HTML) 8 Page - Qorvo, Inc

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ACT41000
Programmable Voltage, Programmable Current, Low Noise
RFPoL Step-Down Voltage Regulator
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
Discharge Resistance
RDIS
1.2
kΩ
[1] See Main-buck Power-Good for details.
[2] See Under-Voltage Protection for details.
Timing Requirements
PARAMETER
SYMBOL
CONDiTION
MIN
TYP
MAX
UNIT
I
2
C BLOCK
SCL Clock Frequency
fSCL
(no internal time out)
0
1000
kHz
tLOW(SCL)
Logic-L level
0.5
SCL Pulse Width
tHIGH(SCL)
Logic-H level
0.26
µs
SDA Set-up Time
tSU(SDA)
50
ns
SDA Hold Time
tH(SDA)
0
ns
START Set-up Time
tSU(START)
260
ns
STOP Set-up Time
tSU(STOP)
260
ns
EN pin INPUT
EN Pulse Width
tLOW(EN)
Logic-L level
30
µs
SYNC pin INPUT
SYNC Frequency
Range
20kΩ < R
ADDR < 50kΩ
400
2500
kHz
SYNC Frequency
Accuracy
fSYNC
20kΩ < R
ADDR < 50kΩ, referring to the
frequency setpoint by RFREQ
75%
125%
SYNC Input Duty
DIN(SYNC)
20kΩ < R
ADDR < 50kΩ
40%
60%
Switching Characteristics
PVIN = VIN = 12 V, V5V = 5 V (external supply), EN = 5 V, TA =25°C, unless otherwise specified
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
BIAS BLOCK
Mini-Buck Switching
Frequency
fSW(V5V)
2.0
MHz
Mini-Buck Spread-
Spectrum Dithering
Range
[1]
fSPSP(V5V)
Frequency modulation range w.r.t. fSW(V5V)
value
±7%
Mini-Buck Spread-
Spectrum Cycle
NSPSP(V5V)
Number of TON cycles
32
cycle
Mini-Buck Soft-Start
Time
tSS(V5V)
"VIN = VIT(UVLO)" to "V5V = VIT(V5V)"
0.5
ms
Mini-Buck UVP Mask
Timer
tD(V5V,mask)
1
ms
Wait Timer before Error
Reset
tD(RESET)
100
ms
PGBIAS Delay
tD(PGBIAS)
"V5V = VIT(V5V)" to PGBIAS↑, target 3 ms
(Reg08[4:3] = 11)
-10%
3
10%
ms
ACT41000 Data Sheet, Rev. B, 01-Apr-2022
Subject to change without notice
8
www.qorvo.com



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