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ADP5076ACBZ-R7 Datasheet(PDF) 3 Page - Analog Devices

Part # ADP5076ACBZ-R7
Description  2 A/1.2 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs
PDF  23 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP5076ACBZ-R7 Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
ADP5076
Rev. A | Page 3 of 23
SPECIFICATIONS
PVIN = AVIN = +2.85 V to +5.5 V, adjustable positive output voltage (VPOS) = +15 V, adjustable negative output voltage (VNEG) = −15 V,
switching frequency (fSW) = 1200 kHz, junction temperature (TJ) = −40°C to +125°C for minimum and maximum specifications, and
ambient temperature (TA) = +25°C for typical specifications, unless otherwise noted.
Table 2.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT SUPPLY VOLTAGE
VIN
2.85
5.5
V
PVIN pin, AVIN pin
QUIESCENT CURRENT
Operating Quiescent Current
Sum of PVIN and AVIN
IQ
3.5
4.0
mA
No switching, EN1 pin =
EN2 pin = high
Standby Current
ISTNDBY
2.05
2.2
mA
No switching, EN1 pin =
EN2 pin = low
UVLO
System UVLO Threshold
AVIN pin
Rising
VUVLO_RISING
2.8
2.85
V
Falling
VUVLO_FALLING
2.5
2.55
V
Hysteresis
VHYS_1
0.25
V
OSCILLATOR CIRCUIT
Switching Frequency
fSW
1.130
1.200
1.270
MHz
SYNC pin = low
2.240
2.400
2.560
MHz
SYNC pin = high (connect to
AVIN pin)
SYNC Input
Input Clock Range
fSYNC
1.000
2.600
MHz
Input Clock Minimum On Pulse Width
tSYNC_MIN_ON
100
ns
Input Clock Minimum Off Pulse Width
tSYNC_MIN_OFF
100
ns
Input Clock High Logic
VH (SYNC)
1.3
V
Input Clock Low Logic
VL (SYNC)
0.4
V
PRECISION ENABLING (EN1, EN2)
High Level Threshold
VTH_H
1.125
1.15
1.175
V
Low Level Threshold
VTH_L
1.025
1.05
1.075
V
Shutdown Mode
VTH_S
0.4
V
Internal circuitry disabled to
achieve ISTNDBY
Pull-Down Resistance
REN
1.48
MΩ
BOOST REGULATOR
Adjustable Positive Output Voltage
VPOS
35
V
Feedback Voltage
VFB1
0.8
V
Feedback Voltage Accuracy
−0.5
+0.5
%
TJ = 25°C
−1.5
+1.5
%
TJ = −40°C to +125°C
Feedback Bias Current
IFB1
0.1
μA
Overvoltage Protection Threshold
VOV1
0.86
V
At FB1 pin
Load Regulation
(∆VFB1/VFB1)/ΔILOAD1
0.0003
%/mA
ILOAD11 = 5 mA to 150 mA
Line Regulation
(∆VFB1/VFB1)/ΔVPVIN
0.002
%/V
ILOAD1 = 50 mA
Error Amplifier (EA) Transconductance
GM1
260
300
340
μA/V
Power Field Effect Transistor (FET) On
Resistance
RDS (ON) BOOST
175
mΩ
Power FET Maximum Drain Source
Voltage
VDS (MAX) BOOST
39
V
Current-Limit Threshold, Main Switch
ILIM (BOOST)
2.0
2.2
2.4
A
Minimum On Time
50
ns
Minimum Off Time
25
ns



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