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ADP5052ACPZ-R7 Datasheet(HTML) 5 Page - Analog Devices

Part No. ADP5052ACPZ-R7
Description  5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
Download  40 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP5052ACPZ-R7 Datasheet(HTML) 5 Page - Analog Devices

 
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Data Sheet
ADP5052
Rev. 0 | Page 5 of 40
BUCK REGULATOR SPECIFICATIONS
VIN = 12 V, VVREG = 5.1 V, fSW = 600 kHz for all channels, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C
for typical specifications, unless otherwise noted.
Table 2.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
CHANNEL 1 SYNC BUCK REGULATOR
FB1 Pin
Fixed Output Options
VOUT1
0.85
1.60
V
Fuse trim
Adjustable Feedback Voltage
VFB1
0.800
V
Feedback Voltage Accuracy
VFB1(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
IFB1
0.1
µA
Adjustable voltage
SW1 Pin
High-Side Power FET
On Resistance
RDSON(1H)
100
mΩ
Pin-to-pin measurement
Current-Limit Threshold
ITH(ILIM1)
3.50
4.4
5.28
A
RILIM1 = floating
1.91
2.63
3.08
A
RILIM1 = 47 kΩ
4.95
6.44
7.48
A
RILIM1 = 22 kΩ
Minimum On Time
tMIN_ON1
117
155
ns
fSW = 250 kHz to 1.4 MHz
Minimum Off Time
tMIN_OFF1
1/9 × tSW
ns
fSW = 250 kHz to 1.4 MHz
Low-Side Driver, DL1 Pin
Rising Time
tRISING1
20
ns
CISS = 1.2 nF
Falling Time
tFALLING1
3.4
ns
CISS = 1.2 nF
Sourcing Resistor
tSOURCING1
10
Sinking Resistor
tSINKING1
0.95
Error Amplifier (EA), COMP1 Pin
EA Transconductance
gm1
310
470
620
µS
Soft Start
Soft Start Time
tSS1
2.0
ms
SS12 connected to VREG
Programmable Soft Start Range
2.0
8.0
ms
Hiccup Time
tHICCUP1
7 × tSS1
ms
COUT Discharge Switch On Resistance
RDIS1
250
CHANNEL 2 SYNC BUCK REGULATOR
FB2 Pin
Fixed Output Options
VOUT2
3.3
5.0
V
Fuse trim
Adjustable Feedback Voltage
VFB2
0.800
V
Feedback Voltage Accuracy
VFB2(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
IFB2
0.1
µA
Adjustable voltage
SW2 Pin
High-Side Power FET
On Resistance
RDSON(2H)
110
mΩ
Pin-to-pin measurement
Current-Limit Threshold
ITH(ILIM2)
3.50
4.4
5.28
A
RILIM2 = floating
1.91
2.63
3.08
A
RILIM2 = 47 kΩ
4.95
6.44
7.48
A
RILIM2 = 22 kΩ
Minimum On Time
tMIN_ON2
117
155
ns
fSW = 250 kHz to 1.4 MHz
Minimum Off Time
tMIN_OFF2
1/9 × tSW
ns
fSW = 250 kHz to 1.4 MHz
Low-Side Driver, DL2 Pin
Rising Time
tRISING2
20
ns
CISS = 1.2 nF
Falling Time
tFALLING2
3.4
ns
CISS = 1.2 nF
Sourcing Resistor
tSOURCING2
10
Sinking Resistor
tSINKING2
0.95


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