ADP5034 Analog Devices, ADP5034 Datasheet - Page 4

• Manufacturer Part Number: ADP5034
• Description: Dual 3 MHz, 1200mA Buck Regulator with Two 300 mA LDOs
• Manufacturer: Analog Devices

ADP5034
BUCK1 AND BUCK2 SPECIFICATIONS
V
specifications, unless otherwise noted.
Table 2.
Parameter
OUTPUT CHARACTERISTICS
VOLTAGE FEEDBACK
OPERATING SUPPLY CURRENT
PSM CURRENT THRESHOLD
SW CHARACTERISTICS
ACTIVE PULL-DOWN
OSCILLATOR FREQUENCY
1
LDO1 AND LDO2 SPECIFICATIONS
V
1 μF; T
Table 3.
Parameter
INPUT VOLTAGE RANGE
OPERATING SUPPLY CURRENT
OUTPUT CHARACTERISTICS
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
AVIN
IN3
Load Regulation
Bias Current per LDO
Total System Input Current
Output Voltage Accuracy
Line Regulation
Load Regulation
Output Voltage Accuracy
Line Regulation
BUCK1 Only
BUCK2 Only
BUCK1 and BUCK2
SW On Resistance
Current Limit
= (V
LDO1 or LDO2 Only
LDO1 and LDO2 Only
= V
J
= −40°C to +125°C for minimum/maximum specifications, and T
OUT3
IN1
= V
+ 0.5 V) or 1.7 V (whichever is greater) to 5.5 V, V
IN2
3
= 2.3 V to 5.5 V; T
2
Symbol
V
(ΔV
(ΔV
(ΔV
(ΔV
V
I
I
I
I
R
R
R
R
I
R
f
IN
IN
IN
PSM
LIMIT1
SW
Symbol
V
I
I
V
(ΔV
(ΔV
(ΔV
(ΔV
OUT1
FB1
NFET
PFET
NFET
PFET
PDWN-B
VIN3BIAS
IN
IN3
OUT3
OUT1
OUT2
OUT1
OUT2
, V
, I
, V
OUT3
OUT4
OUT3
OUT4
, V
J
FB2
, V
LIMIT2
= −40°C to +125°C for minimum/maximum specifications, and T
1
IN4
OUT2
/V
/V
/V
/V
/I
/V
/V
/V
/V
OUT4
VIN4BIAS
OUT1
OUT2
OUT1
OUT2
OUT3
OUT4
OUT3
OUT4
)/ΔV
)/ΔV
)/ΔI
)/ΔI
)/ΔV
)/ΔV
)/ΔI
)/ΔI
OUT1
OUT2
IN1
IN2
OUT3
OUT4
IN3
IN4
,
,
,
,
Test Conditions/Comments
PWM mode; I
1200 mA
PWM mode
I
Models with adjustable outputs
MODE = ground
I
other channels disabled
I
other channels disabled
I
LDO channels disabled
PSM to PWM operation
V
V
V
V
pFET switch peak current limit
Channel disabled
LOAD
LOAD1
LOAD2
LOAD1
Test Conditions/Comments
IN1
IN1
IN1
IN1
I
I
I
Includes all current into AVIN, VIN1, VIN2, VIN3,
and VIN4
I
I
100 μA < I
300 mA
I
I
OUT3
OUT3
OUT3
OUT3
OUT3
OUT3
OUT3
= V
= V
= V
= V
= 0 mA to 1200 mA, PWM mode
= 0 mA, device not switching, all
= 0 mA, device not switching, all
= I
= I
= I
= I
= I
= I
= I
= I
Rev. A | Page 4 of 28
IN2
IN2
IN2
IN2
LOAD2
OUT4
OUT4
OUT4
OUT4
OUT4
OUT4
OUT4
IN4
= 3.6 V
= 3.6 V
= 5.5 V
= 5.5 V
OUT3
= (V
= 0 μA
= 10 mA
= 300 mA
= 0 μA, all other channels disabled
= 0 μA, buck channels disabled
= 1 mA
= 1 mA to 300 mA
LOAD1
= 0 mA, device not switching,
< 300 mA, 100 μA < I
OUT4
= I
A
LOAD2
= 25°C for typical specifications, unless otherwise noted.
+ 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; C
= 0 mA to
OUT4
<
Min
−3
0.485
1600
2.5
A
= 25°C for typical
Min
1.7
−3
−0.03
Typ
−0.05
−0.1
0.5
44
55
67
100
155
205
137
162
1950
75
3.0
Typ
10
60
165
53
74
0.001
Data Sheet
Max
+3
0.515
240
310
204
243
2300
3.5
Max
5.5
30
100
245
+3
+0.03
0.003
IN
= C
Unit
V
μA
μA
μA
μA
μA
%
%/V
%/mA
OUT
1
Unit
%
%/V
%/A
V
μA
μA
μA
mA
mΩ
mΩ
mΩ
mΩ
mA
Ω
MHz
=