参数资料
型号: ADP1828ACPZ-R7
厂商: Analog Devices Inc
文件页数: 3/36页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 20LFCSP
标准包装: 1,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 720kHz
占空比: 93%
电源电压: 3 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 20-WFQFN 裸露焊盘,CSP
包装: 带卷 (TR)

ADP1828
SPECIFICATIONS
IN = 12 V, PV = V EN = V TRK = 5 V, SYNC = GND, unless otherwise specified. All limits at temperature extremes are guaranteed via corre-
lation using standard statistical quality control (SQC). T J = ?40°C to +125°C, unless otherwise specified. Typical values are at T A = 25°C.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
POWER SUPPLY
IN Input Voltage
IN Input Voltage
IN Quiescent Current
IN Shutdown Current
VREG-to-GND Shutdown Impedance
PV is tied to VREG, IN is not tied to VREG (using internal regulator)
IN = PV = VREG, IN is tied to VREG (not using internal regulator)
Not switching, I VREG = 0 mA
EN = GND
EN = GND, IN is not tied to VREG
5.5
3.0
1.5
5
1.6
20
5.5
3.0
15
V
V
mA
μA
VREG Undervoltage Lockout Threshold
VREG Undervoltage Lockout Hysteresis
VREG rising
VREG falling
2.4
2.7
0.125
3.0
V
V
ERROR AMPLIFER
FB Regulation Voltage
T A = 25°C, TRK > 700 mV
597
600
603
mV
FB Input Bias Current
Open-Loop Voltage Gain
Gain-Bandwidth Product
COMP Sink Current
COMP Source Current
T A = 0°C to +70°C, TRK > 700 mV
T J = ?40°C to +125°C, TRK > 700 mV
595
591
5
70
20
600
120
605
609
100
mV
mV
nA
dB
MHz
μA
μA
COMP Clamp High Voltage
IN = VREG = 3 V
2.4
V
COMP Clamp Low Voltage
LINEAR REGULATOR
IN = 12 V
3.6
0.75
V
V
VREG Output Voltage
IN = 5 V+ dropout voltage to18 V, I VREG =100 mA
4.75
5.0
5.25
V
T J = ?40°C to +125°C
VREG Load Regulation
VREG Line Regulation
VREG Current Limit
I VREG = 0 mA to 100 mA, IN = 5.25 V to 18 V
IN = 5 V+ dropout voltage to 18 V, no load
VREG drops to 4 V
?10
1
220
mV
mV
mA
VREG Short-Circuit Current
IN to VREG Dropout Voltage 1
VREG drops to 0.4 V
I VREG = 100 mA, IN < 5 V
60
140
0.6
200
1.0
mA
V
VREG Minimum Output Capacitance
PWM CONTROLLER
1
μF
VRAMP Peak-to-Peak Voltage 2
0.7
1.0
1.45
V
DH Maximum Duty Cycle
DH Minimum On Time
DL Minimum On Time
FREQ = GND (300 kHz)
Any frequency
Any frequency
91
93
100
200
%
ns
ns
SOFT START
SS Pull-Up Resistance
SS Pull-Down Resistance
SS to FB Offset Voltage
SS Pull-Up Voltage
SS = GND
SS = 0.6 V
SS = 0 mV to 500 mV
90
6
?45
0.8
mV
V
TRACKING
TRK Common-Mode Input Voltage Range
0
600
mV
TRK to FB Offset Voltage
TRK Input Bias Current
TRK = 0 mV to 500 mV
?5.5
+5
100
mV
nA
Rev. C | Page 3 of 36
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