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ADP5050ACPZ-R7 Datasheet(PDF) 8 Page - Analog Devices

No. de pieza ADP5050ACPZ-R7
Descripción Electrónicos  5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
PDF  60 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

ADP5050ACPZ-R7 Datasheet(HTML) 8 Page - Analog Devices

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ADP5050
Data Sheet
Rev. 0 | Page 8 of 60
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
CHANNEL 4 SYNC BUCK REGULATOR
FB4 Pin
Fixed Output Options
VOUT4
2.5
5.5
V
Fuse trim or I2C interface
(5-bit value)
Adjustable Feedback Voltage
VFB4
0.800
V
Feedback Voltage Accuracy
VFB4(DEFAULT)
−0.55
+0.55
%
TJ = 25°C
−1.25
+1.0
%
0°C ≤ TJ ≤ 85°C
−1.5
+1.5
%
−40°C ≤ TJ ≤ +125°C
Feedback Bias Current
IFB4
0.1
µA
SW4 Pin
High-Side Power FET
On Resistance
RDSON(4H)
225
mΩ
Pin-to-pin measurement
Low-Side Power FET
On Resistance
RDSON(4L)
150
mΩ
Pin-to-pin measurement
Current-Limit Threshold
ITH(ILIM4)
1.7
2.2
2.55
A
Minimum On Time
tMIN_ON4
90
120
ns
fSW = 250 kHz to 1.4 MHz
Minimum Off Time
tMIN_OFF4
1/9 × tSW
ns
fSW = 250 kHz to 1.4 MHz
Error Amplifier (EA), COMP4 Pin
EA Transconductance
gm4
310
470
620
µS
Soft Start
Soft Start Time
tSS4
2.0
ms
SS34 connected to VREG
Programmable Soft Start Range
2.0
8.0
ms
Hiccup Time
tHICCUP4
7 × tSS4
ms
COUT Discharge Switch On Resistance
RDIS4
250
Ω
LDO REGULATOR SPECIFICATIONS
VIN5 = (VOUT5 + 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 and maximum
specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 3.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT SUPPLY VOLTAGE RANGE
1.7
5.5
V
PVIN5 pin
OPERATIONAL SUPPLY CURRENT
Bias Current for LDO Regulator
30
130
µA
IOUT5 = 200 µA
60
170
µA
IOUT5 = 10 mA
145
320
µA
IOUT5 = 200 mA
VOLTAGE FEEDBACK (FB5 PIN)
Adjustable Feedback Voltage
0.500
V
Feedback Voltage Accuracy
−1.0
+1.0
%
TJ = 25°C
−1.6
+1.6
%
0°C ≤ TJ ≤ 85°C
−2.0
+2.0
%
−40°C ≤ TJ ≤ +125°C
DROPOUT VOLTAGE
IOUT5 = 200 mA
80
mV
VOUT5 = 3.3 V
100
mV
VOUT5 = 2.5 V
180
mV
VOUT5 = 1.5 V
CURRENT-LIMIT THRESHOLD
250
510
mA
Specified from the output voltage drop
to 90% of the specified typical value
OUTPUT NOISE
92
µV rms
10 Hz to 100 kHz, VPVIN5 = 5 V, VOUT5 = 1.8 V
POWER SUPPLY REJECTION RATIO
VPVIN5 = 5 V, VOUT5 = 1.8 V, IOUT5 = 1 mA
77
dB
10 kHz
66
dB
100 kHz



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