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ADP1972ARUZ-R7 Folha de dados(PDF) 4 Page - Analog Devices

Nome de Peças ADP1972ARUZ-R7
Descrição Electrónicos  Buck or Boost, PWM Controller for Battery Test Solutions
PDF  18 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

ADP1972ARUZ-R7 Folha de dados(HTML) 4 Page - Analog Devices

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ADP1972
Data Sheet
Rev. B | Page 4 of 18
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
PRECISION ENABLE LOGIC (EN)
Maximum EN Pin Voltage
60
V
EN Threshold Rising
1.25
1.4
V
EN Threshold Falling
1.1
1.22
V
EN Pin Current
VEN = 5 V
0.32
2
μA
MODE LOGIC
Maximum MODE Pin Voltage
5.5
V
MODE Threshold Rising
1.20
1.5
V
MODE Threshold Falling
0.7
1.05
V
CURRENT LIMIT (CL)
Set Current
ICL
VCL = 0 V
18
20
21
μA
Buck Internal Reference
VREF (BUCK)
250
300
350
mV
Boost Internal Reference
VREF (BOOST)
450
500
550
mV
Hiccup Detect Time
RFREQ = 100 kΩ
4.4
5.2
6.1
ms
Hiccup Off-Time
RFREQ = 100 kΩ
4.4
5.2
6.1
ms
VREG
LDO Regulator Output Voltage
VVREG
VIN = 6 V to 60 V
4.9
5
5.1
V
Guaranteed Output Current
IOUT (MAX)
VIN = 6 V
5
mA
Line Regulation
VIN = 6 V to 60 V
5
5.1
V
Load Regulation
VIN = 6 V, IOUT = 0 mA to 5 mA
5
5.1
V
FAULT
Maximum FAULT Pin Voltage
60
V
FAULT Threshold Rising
1.2
1.5
V
FAULT Threshold Falling
0.7
1.05
V
FAULT Pin Current
VFAULT = 5 V
0.49
2
μA
PWM DRIVE LOGIC SIGNALS (DH/DL)
DL Drive Voltage
VDL
No load
VREG
V
DH Drive Voltage
VDH
No load
VREG
V
DL and DH Sink Resistance
IDL = 10 mA
1.2
2.4
Ω
DL and DH Source Resistance
IDL = 10 mA
1.4
2.6
Ω
DL and DH Pull-Down Resistor
0.5
1
1.5
MΩ
THERMAL SHUTDOWN (TSD)
TSD Threshold Rising
150
°C
TSD Threshold Falling
135
°C
1 The DMAX and SCFG current matching specification is calculated by taking the absolute value of the difference between the measured ISCFG and IDMAX currents, dividing
them by the 11 μA typical value, and multiplying this answer by 100.
100
μA
11
(%)
DMAX
SCFG
I
I
t Matching
CFG Curren
DMAX and S
2 See Figure 11 for a graph of the duty cycle vs. the applied COMP pin voltage.



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