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ADP2118ACPZ-3.3-R7 数据表(PDF) 3 Page - Analog Devices

部件名 ADP2118ACPZ-3.3-R7
功能描述  3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2118ACPZ-3.3-R7 数据表(HTML) 3 Page - Analog Devices

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ADP2118
Rev. 0 | Page 3 of 24
SPECIFICATIONS
VIN = PVIN = 3.3 V, EN = VIN, SYNC/MODE = high @ TJ = −40°C to +125°C, unless otherwise noted. Typical values are at TJ = 25oC.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
VIN AND PVIN
VIN Voltage Range
VIN
2.3
5.5
V
PVIN Voltage Range
PVIN
2.3
5.5
V
Quiescent Current
IVIN
No switching, SYNC/MODE = GND
100
150
μA
Switching, no load, SYNC/MODE = high
680
900
μA
Shutdown Current
ISHDN
VIN = PVIN = 5.5 V, EN = GND
0.3
3
μA
VIN Undervoltage Lockout Threshold
UVLO
VIN rising
2.2
2.3
V
VIN falling
2
2.1
V
OUTPUT CHARACTERISTICS
Load Regulation1
Io = 0 A to 3 A
0.08
%/A
Line Regulation1
Io = 1.5 A
0.05
%/V
FB
FB Regulation Voltage
VFB
VIN = 2.3 V to 5.5 V
0.591
0.6
0.609
V
FB Bias Current
IFB
0.01
0.1
μA
SW
High-Side On Resistance2
VIN = PVIN = 3.3 V, ISW = 500 mA
75
110
mΩ
Low-Side On Resistance2
VIN = PVIN = 3.3 V, ISW = 500 mA
40
60
mΩ
SW Peak Current Limit
High-side switch, VIN = PVIN = 3.3 V
4
5.2
6.4
A
SW Maximum Duty Cycle
VIN = PVIN = 5.5 V, full frequency
100
%
SW Minimum On Time3
VIN = PVIN = 5.5 V, full frequency
100
ns
TRK
TRK Input Voltage Range
0
600
mV
TRK to FB Offset Voltage
TRK = 0 mV to 500 mV
−10
+10
mV
TRK Input Bias Current
100
nA
FREQUENCY
Oscillator Frequency
FREQ = VIN
1.0
1.2
1.4
MHz
FREQ = GND
500
600
700
kHz
FREQ Input High Voltage
1.2
V
FREQ Input Low Voltage
0.4
V
SYNC/MODE
Synchronization Range
0.6
1.4
MHz
SYNC Minimum Pulse Width
100
ns
SYNC Minimum Off Time
100
ns
SYNC Input High Voltage
1.2
V
SYNC Input Low Voltage
0.4
V
INTEGRATED SOFT START
Soft Start Time
All switching frequency
2048
Clock cycles
PGOOD
Power Good Range
FB rising threshold
105
110
115
%
FB rising hysteresis
2.5
%
FB falling threshold
85
90
94
%
FB falling hysteresis
2.5
%
Power Good Deglitch Time
From FB to PGOOD
16
Clock cycles
PGOOD Leakage Current
VPGOOD = 5 V
0.1
1
μA
PGOOD Output Low Voltage
IPGOOD = 1 mA
140
200
mV



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