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ADP2450ACPZ-2-R7 데이터시트(PDF) 6 Page - Analog Devices

부품명 ADP2450ACPZ-2-R7
상세설명  Power Management IC for Circuit Breaker Applications
PDF  40 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

ADP2450ACPZ-2-R7 데이터시트(HTML) 6 Page - Analog Devices

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ADP2450
Data Sheet
Rev. B | Page 6 of 40
BUCK REGULATOR SPECIFICATIONS
VIN = 12 V, 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
Test Conditions/Comments
Min
Typ
Max
Unit
POWER INPUT
VIN pin
Undervoltage Lockout Threshold1
VIN Rising
4.2
4.4
V
VIN Falling
3.5
3.65
V
FEEDBACK (FB2)
FB2 Regulation Voltage
VFB2
Adjustable output version
0.591
0.6
0.609
V
Fixed Output Accuracy
Fixed output version
−1.5
+1.5
%
FB2 Bias Current
IFB2
Adjustable output version
0.01
0.1
μA
Fixed output version
4.3
5
μA
SWITCH NODE
High-Side On Resistance (LFCSP)2
RDSON_H_LFCSP
ISW_SOURCE = 0.5 A
700
1070
mΩ
Low-Side On Resistance (LFCSP)2
RDSON_L_LFCSP
ISW_SINK = 0.5 A
380
540
mΩ
High-Side On Resistance (LQFP)2
RDSON_H_LQFP
750
1210
mΩ
Low-Side On Resistance (LQFP)2
RDSON_L_LQFP
430
620
mΩ
SW Leakage Current
ISW_LK_HS
SW = PGND2
0.1
μA
ISW_LK_LS
SW = VIN
42
μA
Minimum On Time
tON_MIN
42
ns
Minimum Off Time
tOFF_MIN
150
ns
BST
Bootstrap Voltage
VBOOT
4.7
5
5.3
V
CURRENT LIMIT
Valley Current Limit
0.65
0.8
0.98
A
Low-Side Sink Current Limit
0.2
A
PWM SWITCHING FREQUENCY
fSW
1.0
1.2
1.4
MHz
SOFT START TIME
tSS
Fixed output version
400
μs
Adjustable output version
1.6
ms
RESET (RSTO)
Reset Rising Threshold Voltage
Refer to VFB2
85
89
94
%
Reset Threshold Hysteresis
1
%
Reset Rising Delay
tRST_DELAY_R
Option 1, default
0.42
0.5
0.56
ms
Option 2
0.85
1
1.12
ms
Option 3
1.72
2
2.3
ms
Option 4
4.2
5
5.6
ms
Reset Falling Delay
tRST_DELAY_F
10
μs
RSTO Output Low Voltage
IRSTO = 3 mA
40
100
mV
RSTO Leakage Current
VRSTO = 5 V
0.01
0.3
μA
1 This UVLO threshold is only for the buck control block.
2 Pin to pin measurement.
PROGRAMMABLE GAIN AMPLIFIER AND ANALOG TRIP SPECIFICATIONS
VIN = 12 V, VAVDD = 5 V, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications, unless
otherwise noted.
Table 3.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
POWER INPUT
AVDD pin
Input Voltage Range
VAVDD
2.7
5.5
V
Quiescent Current
IQ_AVDD
575
μA
Undervoltage Lockout Threshold



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