ADP5037 Analog Devices, ADP5037 Datasheet - Page 4

• Manufacturer Part Number: ADP5037
• Description: Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
• Manufacturer: Analog Devices

ADP5037
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
I
I
ΔV
ΔV
(∆V
(∆V
(∆V
(∆V
VIN3BIAS
IN
Symbol
ΔV
ΔV
(∆V
(∆V
(∆V
(∆V
V
I
I
I
I
R
R
R
R
I
R
f
IN3
IN
IN
IN
PSM
LIMIT1
SW
FB1
NFET
PFET
NFET
PFET
PDWN-B
OUT3
OUT4
OUT3
OUT4
OUT3
OUT4
, V
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
J
, V
= −40°C to +125°C for minimum/maximum specifications, and T
1
, I
IN4
/I
/V
/V
/V
/V
/V
/V
FB2
LIMIT2
/V
/V
VIN4BIAS
/V
/V
/V
/V
OUT3
OUT4
OUT3
OUT4
OUT3
OUT4
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
)/∆V
)/∆V
)/∆I
)/∆I
,
,
)/∆V
)/∆V
)/∆I
)/∆I
OUT3
OUT4
IN3
IN4
OUT1,
OUT2
IN1
,
IN2
,
,
Test Conditions/Comments
I
I
I
Includes all current into AVIN, VIN1, VIN2, VIN3,
and VIN4
I
I
100 µA < I
I
I
OUT3
OUT3
OUT3
OUT3
OUT3
OUT3
OUT3
Test Conditions/Comments
PWM mode; I
PWM mode
I
Models with adjustable outputs
MODE = ground
I
channels disabled
I
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
IN1
IN1
IN1
IN1
= I
= I
= I
= I
= I
= I
= I
= V
= V
= V
= V
Rev. A | Page 4 of 28
= 0 mA to 800 mA, PWM mode
= 0 mA, device not switching, all other
= 0 mA, device not switching, all other
= I
OUT4
OUT4
OUT4
OUT4
OUT4
OUT4
OUT4
IN2
IN2
IN2
IN2
IN4
LOAD2
OUT3
= 3.6 V
= 3.6 V
= 5.5 V
= 5.5 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
= (V
< 300 mA, 100 µA < I
= 0 mA, device not switching,
LOAD1
OUT4
A
= I
= 25°C for typical specifications, unless otherwise noted.
+ 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; C
LOAD2
= 0 mA to 800 mA
OUT4
< 300 mA
Min
−3
0.485
1200
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
1550
75
3.0
Typ
10
60
165
53
74
0.001
Data Sheet
Max
+3
0.515
240
310
204
243
1900
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
=