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ADP5135ACPZ-R7 数据表(PDF) 4 Page - Analog Devices

部件名 ADP5135ACPZ-R7
功能描述  Triple 1800 mA Buck Regulator with Precision Enables and Power-Good Outputs
PDF  24 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

ADP5135ACPZ-R7 数据表(HTML) 4 Page - Analog Devices

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ADP5135
Data Sheet
Rev. 0 | Page 4 of 24
BUCK1, BUCK2, AND BUCK3
VAVIN = VIN1 = VIN2 = VIN3 = 3.0 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
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
ΔVOUT1/VOUT1, ΔVOUT2/VOUT2,
ΔVOUT3/VOUT3
PWM mode; ILOAD1 = ILOAD2 = ILOAD3 = 0 mA
−1.8
+1.8
%
Line Regulation
(ΔVOUT1/VOUT1)/ΔVIN1,
(ΔVOUT2/VOUT2)/ΔVIN2,
(ΔVOUT3/VOUT3)/ΔVIN3
PWM mode
−0.05
%/V
Load Regulation
(ΔVOUT1/VOUT1)/ΔIOUT1,
(ΔVOUT2/VOUT2)/ΔIOUT2,
(ΔVOUT3/VOUT3)/ΔIOUT3
ILOAD = 0 mA to 1800 mA, PWM mode
−0.1
%/A
VOLTAGE FEEDBACK
VFB1, VFB2
Models with adjustable outputs
0.491
0.5
0.509
V
OPERATING SUPPLY CURRENT
MODE = ground
BUCK1 Only
IIN1
ILOAD1 = 0 mA, device not switching, all
other channels disabled
42
μA
BUCK2 Only
IIN2
ILOAD2 = 0 mA, device not switching, all
other channels disabled
52
μA
BUCK3 Only
IIN3
ILOAD3 = 0 mA, device not switching, all
other channels disabled
52
μA
BUCK1, BUCK2, and
BUCK3
IIN
ILOAD1 = ILOAD2 = ILOAD3 = 0 mA, device
not switching
85
μA
PSM CURRENT THRESHOLD
IPSM
PSM to PWM operation
100
mA
SWx CHARACTERISTICS
SWx On Resistance
RNFET
VIN1 = VIN2 = VIN3 = 3.6 V
140
225
mΩ
RPFET
VIN1 = VIN2 = VIN3 = 3.6 V
190
295
mΩ
RNFET
VIN1 = VIN2 = VIN3 = 5.5 V
122
189
mΩ
RPFET
VIN1 = VIN2 = VIN3 = 5.5 V
147
228
mΩ
Current Limit
ILIMIT1, ILIMIT2, ILIMIT3
Positive channel field effect transistor
(PFET) switch peak current limit
2250
2600
2950
mA
ACTIVE PULL-DOWN
RESISTANCE
R
PWDN
VIN1 = VIN2 = VIN3 = 3.6 V; 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).
INPUT AND OUTPUT CAPACITORS, RECOMMENDED
TA = −40°C to +125°C, unless otherwise specified.
Table 4.
Parameter
Symbol
Min
Typ
Max
Unit
NOMINAL INPUT AND OUTPUT CAPACITOR RATINGS
BUCK1, BUCK2, and BUCK3
Input Capacitor Ratings
CMIN1, CMIN2, CMIN3
4.7
40
μF
Output Capacitor Ratings
CMIN4, CMIN5, CMIN6
10
40
μF
CAPACITOR ESR
RESR
0.001
1
Ω



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