ADP5022 Analog Devices, ADP5022 Datasheet - Page 4

• Manufacturer Part Number: ADP5022
• Description: Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO
• Manufacturer: Analog Devices

ADP5022
BUCK1 AND BUCK2 SPECIFICATIONS
VDDA = VIN1 = VIN2 = 3.6 V, VIN3 = (VOUT3 + 0.5 V) or 2.4 V, whichever is greater, VIN3 ≤ VIN1, T
otherwise noted.
Table 2.
Parameter
OPERATING SUPPLY CURRENT
OUTPUT VOLTAGE ACCURACY
POWER SAVE MODE TO PWM CURRENT
PWM TO POWER SAVE MODE CURRENT
SW CHARACTERISTICS, BUCK1 and BUCK2
OSCILLATOR FREQUENCY
START-UP TIME
1
2
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control.
Start-up time is defined as the time from a rising edge on EN1/EN2 to VOUT1/VOUT2 reaching 90% of their nominal value.
Buck1 Only
Buck2 Only
Buck1 and Buck2 Only
THRESHOLD
THRESHOLD
PFET On Resistance
NFET On Resistance
Current Limit
From Shutdown State
2
1
Symbol
I
I
I
V
I
I
R
R
I
F
T
GND1
GND2
GND1-2
PSM-PWM
PWM-PSM
LIMIT1
PFET
NFET
SW
STARTUP12-SD
OUT1
, I
, V
LIMIT2
OUT2
Rev. C | Page 4 of 28
Test Conditions/Comments
I
= VDDA, EN2 = EN3 = GND
I
= VDDA, EN1 = EN3 = GND
I
ing, EN1 = EN2 = VDDA, EN3 = GND
PWM mode, VIN1 = VIN2 = 2.4 V to 5.5 V,
I
Typical at VIN1 = VIN2 = 3.6 V
Typical at VIN1 = VIN2 = 5.0 V
Typical at VIN1 = VIN2 = 3.6 V
Typical at VIN1 = VIN2 = 5.0 V
PFET switch peak current limit
LOAD1
LOAD2
LOAD1
LOAD1
= 0 mA, device not switching, EN1
= 0 mA, device not switching, EN2
= I
= I
LOAD1
LOAD2
= 0 mA, device not switch-
= 0 mA − 600 mA
Min
−3
750
2.5
J
= −40°C to +125°C, unless
Typ
24
32
48
105
100
165
125
125
100
950
3.0
250
Max
64
+3
275
220
1050
3.5
Unit
μA
μA
μA
%
mA
mA
mΩ
mΩ
mΩ
mΩ
mA
MHz
μs