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ADP1823ACPZ-R7 数据表(PDF) 3 Page - Analog Devices

部件名 ADP1823ACPZ-R7
功能描述  Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1823ACPZ-R7 数据表(HTML) 3 Page - Analog Devices

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ADP1823
Rev. A | Page 3 of 32
SPECIFICATIONS
VIN = 12 V, EN = FREQ = PV = VREG = 5 V, SYNC = GND, TJ = −40°C to +125°C, unless otherwise specified. All limits at temperature
extremes are guaranteed via correlation using standard Statistical Quality Control (SQC). Typical values are at TA = 25°C.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
POWER SUPPLY
IN Input Voltage
PV = VREG (using internal regulator)
5.5
20
V
IN = PV = VREG (not using internal regulator)
2.9
5.5
V
IN Quiescent Current
Not switching, IVREG = 0 mA
1.5
3
mA
IN Shutdown Current
EN1 = EN2 = GND
10
20
μA
VREG Undervoltage Lockout Threshold
VREG rising
2.4
2.7
2.9
V
VREG Undervoltage Lockout Hysteresis
0.125
V
ERROR AMPLIFER
FB1, FB2 Regulation Voltage
TA = 25
°C, TRK1, TRK2 > 700 mV
597
600
603
mV
TJ = 0
°C to 85°C, TRK1, TRK2 > 700 mV
591
609
mV
TJ = −40
°C to +125°C, TRK1, TRK2 > 700 mV
588
612
mV
TJ = 0
°C to 70°C, TRK1, TRK2 > 700 mV
595
605
mV
FB1, FB2 Input Bias Current
100
nA
Open-Loop Voltage Gain
70
dB
Gain-Bandwidth Product
20
MHz
COMP1, COMP2 Sink Current
600
μA
COMP1, COMP2 Source Current
120
μA
COMP1, COMP2 Clamp High Voltage
2.4
V
COMP1, COMP2 Clamp Low Voltage
0.75
V
LINEAR REGULATOR
VREG Output Voltage
TA = 25
°C, I
VREG
= 20 mA
4.85
5.0
5.15
V
VIN = 7 V to 20 V, IVREG = 0 mA to 100 mA,
TA = −40
°C to +85°C
4.75
5.0
5.25
V
VREG Load Regulation
IVREG = 0 mA to 100 mA, VIN = 12 V
−40
mV
VREG Line Regulation
VIN = 7 V to 20 V, IVREG = 20 mA
1
mV
VREG Current Limit
VREG = 4 V
220
mA
VREG Short-Circuit Current
VREG < 0.5 V
100
140
200
mA
IN to VREG Dropout Voltage
IVREG = 100 mA
0.7
1.4
V
VREG Minimum Output Capacitance
1
μF
PWM CONTROLLER
PWM Ramp Voltage Peak
SYNC = GND
1.3
V
DH1, DH2 Maximum Duty Cycle
FREQ = GND (300 kHz)
85
90
%
DH1, DH2 Minimum Duty Cycle
FREQ = GND (300 kHz)
1
3
%
SOFT START
SS1, SS2 Pull-Up Resistance
SS1, SS2 = GND
90
kΩ
SS1, SS2 Pull-Down Resistance
SS1, SS2 = 0.6 V
6
kΩ
SS1, SS2 to FB1, FB2 Offset Voltage
SS1, SS2 = 0 mV to 500 mV
−45
mV
SS1, SS2 Pull-Up Voltage
0.8
V
TRACKING
TRK1, TRK2 Common-Mode Input
Voltage Range
0
600
mV
TRK1, TRK2 to FB1, FB2 Offset Voltage
TRK1, TRK2 = 0 mV to 500 mV
−5
+5
mV
TRK1, TRK2 Input Bias Current
100
nA



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