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ADP2503ACPZ-3.3-R71 数据表(PDF) 3 Page - Analog Devices

部件名 ADP2503ACPZ-3.3-R71
功能描述  600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converter
PDF  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2503ACPZ-3.3-R71 数据表(HTML) 3 Page - Analog Devices

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Preliminary Technical Data
ADP2503/ADP2504
SPECIFICATIONS
VIN = 3.6 V, VOUT = 3.3 V, @ TA = TJ = −40°C to +125°C for minimum/maximum specifications and TA = +25°C for typical specifications,
unless otherwise noted.1
Table 1.
Parameters
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Voltage Range
2.3
5.5
V
Undervoltage Lockout Threshold
VIN rising
2.2
2.25
2.3
V
Undervoltage Lockout Threshold
VIN falling
2.13
2.18
2.23
V
OUTPUT CHARACTERISTICS
Output Voltage Range
2.8
5.0
V
Feedback Voltage
0.495
0.5
0.55
V
Feedback Impedance
450
kΩ
Output Voltage Initial Accuracy
(PWM Mode, No Load)
ADP2503/ADP2504 (PWM operation, no load)
−2
+2
%
Load and Line Regulation
VIN = 2.3 V to 3.6 V, ILOAD = 0mA to 500mA, forced PWM mode
0.5
%
VIN = 2.3 V to 5.5 V, ILOAD = 0mA to 500mA, forced PWM mode
0.6
%
CURRENT CHARACTERISTICS
Quiescent Current (VIN)
Shutdown Current
IOUT = 0 mA, V mode = EN = VIN = 3.6 V, device not switching
TA = TJ = −40°C to +85°C
38
50
0.2
1
μA
μA
SWITCH CHARACTERISTICS
N-Channel Switches (LFCSP)
VIN = 3.6 V
150
mΩ
P-Channel Switches (LFCSP)
VIN = VOUT = 3.6 V
150
mΩ
P-Channel Leakage
Switch Current Limit
TJ = −40°C to +85°C
1
μA
ADP2504
1.3
2.0
A
ADP2503
1.0
1.4
A
Reverse Current Limit
1.1
A
OSCILLATOR AND STARTUP
Oscillator Frequency
VIN = 2.3 V to 5.5 V
2.2
2.5
2.8
MHz
On Time PMOS1 (Buck Mode)
Minimum duty cycle = 30%
130
ns
On Time NMOS2 (Boost Mode)
Maximum duty cycle = 50% (×2)
200
ns
Sync Clock Frequency
2.2
2.8
MHz
Sync Clock Minimum Off Time
160
ns
Soft Start Period
200
μs
LOGIC LEVEL CHARACTERISTICS
EN, SYNC Input High Threshold
1.2
V
EN, SYNC Input Low Threshold
0.4
V
EN, SYNC Leakage Current
−1
+0.1
+1
μA
THERMAL CHARACTERISTICS
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
150
25
°C
°C
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Rev. PrB | Page 3 of 16



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