ADP3051 データシートの表示（PDF） - Analog Devices
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ADP3051 Datasheet PDF : 16 Pages
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ADP3051
SPECIFICATIONS1
VIN = 3.6 V @ TA = –40°C to +85°C, unless otherwise noted.
Table 1.
Parameter
SUPPLY
Input Voltage Range
Quiescent Supply Current
Shutdown Supply Current
Conditions
VFB = 1.0 V
SHDN = 0 V
PWM COMPARATOR
Minimum Duty Ratio
Maximum Duty Ratio
OSCILLATOR
Oscillator Frequency
Foldback Frequency
OUTPUT STAGE
On Resistance, N Channel
Switch Leakage Current, N Channel
On Resistance, P Channel
Switch Leakage Current, P Channel
Current Limit Threshold
ERROR AMPLIFIER
Feedback Regulation Voltage
VCOMP ≥ 1.5 V, VOUT = 0.7 V
VOUT < 0.3 V
ISW = 150 mA
VIN = 5.0 V, VSW = 0 V
FB = GND
VSW = 5.0 V
TA = 25°C
Feedback Input Bias Current
Current Sense Gain
Transconductance
Maximum Sink Current
Maximum Source Current
UNDERVOLTAGE LOCKOUT
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
SHDN INPUT THRESHOLD VOLTAGES
Input High Threshold Voltage
Input Low Threshold Voltage
VIN rising
Referenced to IN
Min Typ
Max
Unit
2.7
5.5
V
180
300
µA
10
25
µA
0
%
100
%
410
550
690
kHz
200
kHz
150
mΩ
1
µA
190
mΩ
1
µA
680
1000
1320
mA
783
800
821
mV
770
830
mV
5
nA
2.9
Ω
0.32
mS
33
µA
33
µA
1.9
2.6
V
55
mV
−0.5
V
0.4
V
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Rev. 0 | Page 3 of 16
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