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ADP5041ACPZ-1-R7 数据表(PDF) 4 Page - Analog Devices

部件名 ADP5041ACPZ-1-R7
功能描述  Micro PMU with 1.2 A Buck, Two 300 mA LDOs, Supervisory, Watchdog, and Manual Reset
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP5041ACPZ-1-R7 数据表(HTML) 4 Page - Analog Devices

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ADP5041
Data Sheet
Rev. B | Page 4 of 40
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
WATCHDOG INPUT
Watchdog Timeout Period
Option 0
81.6
102
122.4
ms
Option 1
1.28
1.6
1.92
sec
WDI Pulse Width
80
ns
VIL = 0.4 V, VIH = 1.2 V
WDI Input Threshold
0.4
1.2
V
WDI Input Current (Source)
8
15
20
μA
VWDI = VCC, time average
WDI Input Current (Sink)
−30
−25
−15
μA
VWDI = 0 V, time average
MANUAL RESET INPUT
MR Input Pulse Width
1
μs
MR Glitch Rejection
220
ns
MR Pull-Up Resistance
25
52
90
kΩ
MR to Reset Delay
280
Ns
VCC = 5 V
BUCK SPECIFICATIONS
AVIN, VIN1 = 2.3 V to 5.5 V; VOUT1 = 1.8 V; L = 1 μH; CIN = 10 μF; COUT = 10 μF; TJ = −40°C to +125°C for minimum/maximum
specifications, and TA = 25°C for typical specifications, unless otherwise noted.1
Table 3.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Voltage Range
VIN1
2.3
5.5
V
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
VOUT1
PWM mode, ILOAD = 0 mA to 1200 mA
−3
+3
%
Line Regulation
(ΔVOUT1/VOUT1)/ΔVIN1
PWM mode
−0.05
%/V
Load Regulation
(ΔVOUT1/VOUT1)/ΔIOUT1
ILOAD = 0 mA to 1200 mA, PWM mode
−0.1
%/A
VOLTAGE FEEDBACK
VFB1
0.485
0.5
0.515
V
PWM TO POWER SAVE MODE
CURRENT THRESHOLD
IPSM_L
100
mA
INPUT CURRENT CHARACTERISTICS
MODE = ground
DC Operating Current
INOLOAD
ILOAD = 0 mA, device not switching,
all other channels disabled
21
35
μA
Shutdown Current
ISHTD
EN1 = 0 V, TA = TJ = −40°C to +125°C
0.2
1.0
μA
SW CHARACTERISTICS
SW On Resistance
RPFET
PFET, AVIN = VIN1 = 3.6 V
180
240
mΩ
PFET, AVIN = VIN1 = 5 V
140
190
mΩ
RNFET
NFET, AVIN = VIN1 = 3.6 V
170
235
mΩ
NFET, AVIN = VIN1 = 5 V
150
210
mΩ
Current Limit
ILIMIT
PFET switch peak current limit
1600
1950
2300
mA
ACTIVE PULL-DOWN
EN1 = 0 V
85
Ω
OSCILLATOR FREQUENCY
fOSC
2.5
3.0
3.5
MHz
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).



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