ADP5037 查看數據表（PDF） - Analog Devices
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ADP5037 Datasheet PDF : 28 Pages
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ADP5037
Data Sheet
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 3.
Parameter
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
Line Regulation
Load Regulation
VOLTAGE FEEDBACK
OPERATING SUPPLY CURRENT
BUCK1 Only
BUCK2 Only
BUCK1 and BUCK2
PSM CURRENT THRESHOLD
SW CHARACTERISTICS
SW On Resistance
Current Limit
ACTIVE PULL-DOWN
OSCILLATOR FREQUENCY
Symbol
Test Conditions/Comments
Min
ΔVOUT1/VOUT1,
ΔVOUT2/VOUT2
(∆VOUT1/VOUT1)/∆VIN1,
(∆VOUT2/VOUT2)/∆VIN2
(∆VOUT1/VOUT1)/∆IOUT1,
(∆VOUT2/VOUT2)/∆IOUT2
VFB1, VFB2
IIN
IIN
IIN
IPSM
PWM mode; ILOAD1 = ILOAD2 = 0 mA
PWM mode
ILOAD = 0 mA to 800 mA, PWM mode
Models with adjustable outputs
MODE = ground
ILOAD1 = 0 mA, device not switching, all other
channels disabled
ILOAD2 = 0 mA, device not switching, all other
channels disabled
ILOAD1 = ILOAD2 = 0 mA, device not switching,
LDO channels disabled
PSM to PWM operation
−1.8
0.491
RNFET
RPFET
RNFET
RPFET
ILIMIT1, ILIMIT2
RPDWN-B
fSW
VIN1 = VIN2 = 3.6 V
VIN1 = VIN2 = 3.6 V
VIN1 = VIN2 = 5.5 V
VIN1 = VIN2 = 5.5 V
pFET switch peak current limit
Channel disabled
1200
2.5
Typ
−0.05
−0.1
0.5
44
55
67
100
155
205
137
162
1550
75
3.0
Max Unit
+1.8 %
%/V
%/A
0.509 V
μA
μA
μA
mA
240
mΩ
310
mΩ
204
mΩ
243
mΩ
1900 mA
Ω
3.5
MHz
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
LDO1 AND LDO2 SPECIFICATIONS
VIN3 = (VOUT3 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V, VIN4 = (VOUT4 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; CIN = COUT =
1 µF; TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.1
Table 4.
Parameter
INPUT VOLTAGE RANGE
OPERATING SUPPLY CURRENT
Bias Current per LDO2
Total System Input Current
LDO1 or LDO2 Only
LDO1 and LDO2 Only
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
Line Regulation
Load Regulation3
Symbol
VIN3, VIN4
IVIN3BIAS/IVIN4BIAS
IIN
ΔVOUT3/VOUT3,
ΔVOUT4/VOUT4
(∆VOUT3/VOUT3)/∆VIN3,
(∆VOUT4/VOUT4)/∆VIN4
(∆VOUT3/VOUT3)/∆IOUT3,
(∆VOUT4/VOUT4)/∆IOUT4
Test Conditions/Comments
IOUT3 = IOUT4 = 0 µA
IOUT3 = IOUT4 = 10 mA
IOUT3 = IOUT4 = 300 mA
Includes all current into AVIN, VIN1, VIN2, VIN3,
and VIN4
IOUT3 = IOUT4 = 0 µA, all other channels disabled
IOUT3 = IOUT4 = 0 µA, buck channels disabled
100 µA < IOUT3 < 300 mA, 100 µA < IOUT4 < 300 mA
IOUT3 = IOUT4 = 1 mA
IOUT3 = IOUT4 = 1 mA to 300 mA
Min Typ Max Unit
1.7
5.5 V
10 30 µA
60 100 µA
165 245 µA
53
µA
74
µA
−1.8
+1.8 %
−0.03
+0.03 %/V
0.001 0.003 %/mA
Rev. D | Page 4 of 28
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