參數(shù)資料
型號： ADP5024ACPZ-1-R7
廠商： ANALOG DEVICES INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PQCC24
封裝： 4 X 4 MM, ROHS COMPLIANT, MO-220, LCC-24
文件頁數(shù)： 22/27頁
文件大小： 926K
代理商： ADP5024ACPZ-1-R7
ADP5024
Preliminary Technical Data
Rev. PrA | Page 4 of 27
BUCK1 AND BUCK2 SPECIFICATIONS
VAVIN = VIN1 = VIN2 = 2.3 V to 5.5 V; TJ = 40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical
specifications, unless otherwise noted.1
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
VOUT1,
VOUT2
PWM mode; VIN1 = VIN2 = 2.3 V to 5.5 V;
ILOAD1 = ILOAD2 = 0 mA to 1200 mA
3
+3
%
Line Regulation
VOUT1,
VOUT2
PWM mode
0.05
%/V
Load Regulation
IOUT1, IOUT2
ILOAD = 0 mA to 1200 mA, PWM mode
0.1
%/A
VOLTAGE FEEDBACK
VFB1, VFB2
Models with adjustable outputs
0.485
0.5
0.515
V
OPERATING SUPPLY CURRENT
MODE = ground
BUCK1 Only
IIN
ILOAD1 = 0 mA, device not switching, all other
channels disabled
44
μA
BUCK2 Only
IIN
ILOAD2 = 0 mA, device not switching, all other
channels disabled
55
μA
BUCK1 and BUCK2
IIN
ILOAD1 = ILOAD2 = 0 mA, device not switching,
LDO channels disabled
67
μA
PSM CURRENT THRESHOLD
IPSM
PSM to PWM operation
100
mA
SW CHARACTERISTICS
SW On Resistance
RPFET
VIN1 = VIN2 = 3.6 V
155
240
mΩ
RNFET
VIN1 = VIN2 = 3.6 V
205
310
mΩ
RPFET
VIN1 = VIN2 = 5.5 V
162
204
mΩ
RNFET
VIN1 = VIN2 = 5.5 V
137
243
mΩ
Current Limit
ILIMIT1,
ILIMIT2
pFET switch peak current limit
1600
1950
2300
mA
ACTIVE PULL-DOWN
RPDWN-B
Channel disabled
75
Ω
OSCILLATOR FREQUENCY
fSW
2.5
3.0
3.5
MHz
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
LDO SPECIFICATIONS
VIN3 = (VOUT3 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; CIN = COUT = 1 F; TJ = 40°C to +125°C for minimum/maximum
specifications, and TA = 25°C for typical specifications, unless otherwise noted.1
Table 3.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT VOLTAGE RANGE
VIN3
1.7
5.5
V
OPERATING SUPPLY
CURRENT
Bias Current per LDO2
IVIN3BIAS
IOUT3 = 0 A
10
30
A
IOUT3 = 10 mA
60
100
A
IOUT3 = 300 mA
165
245
A
Total System Input Current
IIN
Includes all current into AVIN, VIN1, VIN2, and VIN3
LDO Only
IOUT3 = 0 A, all other channels disabled
53
A
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
VOUT3
100 A < IOUT3 < 300 mA; VIN3 = (VOUT3 + 0.5 V) to 5.5 V
3
+3
%
Line Regulation
VOUT3/VIN3,
VIN3 = (VOUT3 + 0.5 V) to 5.5 V, IOUT3 = 1 mA
0.03
+0.03
%/V
Load Regulation3
VOUT3/IOUT3
IOUT3 = 1 mA to 300 mA
0.001
0.003
%/mA
VOLTAGE FEEDBACK
VFB3
0.485
0.5
0.515
V
DROPOUT VOLTAGE4
VDROPOUT
VOUT3 = 3.3 V, IOUT3 = 300 mA
75
140
mV
VOUT3 = 2.5 V, IOUT3 = 300 mA
100
mV
VOUT3 = 1.8 V, IOUT3 = 300 mA
180
mV
CURRENT-LIMIT THRESHOLD5
ILIMIT3
335
600
mA
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