ADP5043 Analog Devices, ADP5043 Datasheet - Page 5

• Manufacturer Part Number: ADP5043
• Description: Micro-PMU with 0.8 A Buck, 300 mA LDO, Supervisory, Watchdog, and Manual Reset
• Manufacturer: Analog Devices

Data Sheet
BUCK SPECIFICATIONS
AVIN, VIN1 = 3.6 V, V
for typical specifications, unless otherwise noted.
Table 3.
1
LDO SPECIFICATIONS
AVIN = 3.6 V, VIN2 = (VOUT2 + 0.2 V) or 2.3 V, whichever is greater; AVIN, VIN1 ≥ VIN2; I
T
Table 4.
Parameter
INPUT VOLTAGE RANGE
OPERATING SUPPLY CURRENT (per LDO)
FIXED OUTPUT VOLTAGE ACCURACY
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Parameter
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
PWM TO POWER SAVE MODE CURRENT THRESHOLD
INPUT CURRENT CHARACTERISTICS
SW CHARACTERISTICS
ACTIVE PULL-DOWN
OSCILLATOR FREQUENCY
START-UP TIME
A
= 25°C, unless otherwise noted.
Input Voltage Range (VIN1)
Output Voltage Accuracy
DC Operating Current
Shutdown Current
SW On Resistance
Current Limit
OUT1
= 1.8 V, T
J
= −40°C to +125°C for minimum/maximum specifications, L = 1 µH, C
Symbol
V
I
V
GND
IN2
OUT2
1
Test Conditions/Comments
PWM mode, I
PSM mode
VIN1 = 2.3 V to 5.5 V, PWM mode,
I
I
ENx = 0 V, T
PFET
PFET, AVIN = VIN1 = 5 V
NFET
NFET, AVIN = VIN1 = 5 V
PFET switch peak current limit
EN1 = 0 V
LOAD
LOAD
Rev. A | Page 5 of 32
= 1 mA to 800 mA
= 0 mA, device not switching
Test Conditions/Comments
T
I
I
T
I
I
I
I
I
100 µA < I
VIN2 = (VOUT2 + 0.5 V) to 5.5 V
100 µA < I
VIN2 = (VOUT2 + 0.5 V) to 5.5 V
T
OUT
OUT
OUT
OUT
OUT
OUT
OUT
J
J
J
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
= 0 µA, VOUT = 3.3 V,
= 0 µA, VOUT = 3.3 V
= 10 mA
= 10 mA, T
= 200 mA
= 200 mA, T
= 10 mA
A
= T
LOAD
OUT
OUT
J
= −40°C to +125°C
= 100 mA
< 300 mA
< 300 mA
J
= −40°C to +125°C
J
= −40°C to +125°C
OUT
Min
2.3
−1
−2
−3
1100
2.5
= 10 mA; C
Min
1.7
−1
−2
−3
Typ
100
21
0.2
180
140
170
150
1360
75
3.0
250
Typ
15
67
100
IN
OUT
= C
= 10 µF, and T
OUT
= 1 µF;
Max
5.5
50
105
245
+1
+2
+3
Max
5.5
+1
+2
+3
35
1.0
240
190
235
210
1600
3.5
ADP5043
A
= 25°C
Unit
V
µA
µA
µA
µA
µA
µA
%
%
%
Unit
V
%
%
%
mA
μA
μA
mΩ
mΩ
mΩ
mΩ
mA
Ω
MHz
μs