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ADP5302ACPZ-2-R7 数据表(PDF) 4 Page - Analog Devices

部件名 ADP5302ACPZ-2-R7
功能描述  50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor
PDF  22 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

ADP5302ACPZ-2-R7 数据表(HTML) 4 Page - Analog Devices

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ADP5302
Data Sheet
Rev. B | Page 4 of 22
SPECIFICATIONS
VIN = 3.6 V, VOUT = 2.5 V, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications,
unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT SUPPLY VOLTAGE RANGE
VIN
2.15
6.50
V
SHUTDOWN CURRENT
ISHUTDOWN
18
40
nA
VEN = 0 V, −40°C ≤ TJ ≤ +85°C
18
130
nA
VEN = 0 V, −40°C ≤ TJ ≤ +125°C
QUIESCENT CURRENT
Operating Quiescent Current in
Hysteresis Mode
IQ_HYS
240
360
nA
−40°C ≤ TJ ≤ +85°C
240
520
nA
−40°C ≤ TJ ≤ +125°C
640
1500
nA
100% duty cycle operation, VIN = 3.0 V,
VOUT set to 3.3 V
Operating Quiescent Current in
Hysteresis Mode
IQ_HYS2
2.4
3.2
μA
STOP = high; VIN = 3.6 V, VSTOP = 3.6 V
Operating Quiescent Current in PWM Mode
IQ_PWM
425
630
μA
UNDERVOLTAGE LOCKOUT
UVLO
UVLO Threshold
Rising
VUVLO_RISING
2.06
2.14
V
Falling
VUVLO_FALLING
1.90
2.00
V
OSCILLATOR CIRCUIT
Switching Frequency in PWM Mode
fSW
1.7
2.0
2.3
MHz
Feedback (FB) Threshold of Frequency Fold
VOSC_FOLD
0.3
V
SYNCHRONIZATION THRESHOLD1
SYNC Clock Range
SYNCCLOCK
1.5
2.5
MHz
SYNC High Level Threshold
SYNCHIGH
1.2
V
SYNC Low Level Threshold
SYNCLOW
0.4
V
SYNC Duty Cycle Range
SYNCDUTY
100
1/fSW −
150
ns
SYNC/MODE Leakage Current
ISYNC_LEAKAGE
50
150
nA
VSYNC/MODE = 3.6 V
MODE TRANSITION
Transition Delay from Hysteresis Mode to
PWM Mode
tHYS_TO_PWM
20
Clock
cycles
SYNC/MODE goes logic high from
logic low
EN PIN
Input Voltage Threshold
High
VIH
1.2
V
Low
VIL
0.4
V
Input Leakage Current
IEN_LEAKAGE
25
nA
STOP SWITCHING
PWM Switching Stop Delay
tSTOP_RISE_DELAY
10
ns
STOP goes logic high from logic low
PWM Switching Resume Delay
tSTOP_FALL_DELAY
20
ns
STOP goes logic low from logic high
FB PIN
Output Options by VID Resistor
VOUT_OPT
0.8
5.0
V
0.8 V to 5.0 V in various factory options
PWM Mode
Fixed VID Code Voltage Accuracy
VFB_PWM_FIX
−0.6
+0.6
%
TJ = 25°C, output voltage setting via
factory fuse
−1.2
+1.2
%
−40°C ≤ TJ ≤ +125°C
Adjustable VID Code Voltage Accuracy
VFB_PWM_ADJ
−1.5
+1.5
%
Output voltage setting via the
VID resistor



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