Dc-To-Dc Converter Block Specifications - Analog Devices ADP50460008 Owner's Manual

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DC-TO-DC CONVERTER BLOCK SPECIFICATIONS

T = 25°C, V = V = 3.6 V, V
J VBATT VDD
Table 2.
Parameter
CHANNEL 1 BOOST REGULATOR
Channel 1 Output Voltage (V
Adjustable Range, 3 Bits
Voltage Accuracy
Load Regulation
Line Regulation
Switching Node (SW1 Pins)
High-Side Power FET, R
DS(ON)
Low-Side Power FET, R
DS(ON)
Low-Side Switch Current Limit
Minimum Off Time
Soft Start Time
Power Save Mode (PSM)
Output Voltage on PSM
PSM SW1 Low-Side Power FET, R
PSM On Time
CHANNEL 2 BUCK-BOOST REGULATOR
Channel 2 Output Voltage (V
Adjustable Range, 3 Bits
Voltage Accuracy
Load Regulation
Line Regulation
Switching Node (SWA2 Pins)
High-Side Power FET, R
DS(ON)
Low-Side Power FET, R
DS(ON)
High-Side Switch Current Limit
Switching Node (SWB2 Pins)
High-Side Power FET, R
DS(ON)
Low-Side Power FET, R
DS(ON)
Minimum Off Time
Soft Start Time
C Discharge Switch On Resistance
OUT
CHANNEL 3 BUCK REGULATOR
Channel 3 Output Voltage (FB3 Pin)
Adjustable Range, 4 Bits
Feedback Voltage Accuracy at Default VID Code
Load Regulation
Line Regulation
Switching Node (SW3 Pins)
High-Side Power FET, R
DS(ON)
Low-Side Power FET, R
DS(ON)
Switch Current Limit
Soft Start Time
C Discharge Switch On Resistance
OUT
= 3.3 V, unless otherwise noted.
VDDIO
)
OUT1
DS(ON)
)
OUT2
Symbol Min Typ
V 3.8
OUT1
V −1.5
OUT1(DEFAULT)
−2.5
∆V /I −0.2
OUT1 LOAD
∆V /V 0.1
OUT1 VBATT
R 100
DS(ON)1H
R 115
DS(ON)1L
I 3 3.4
CL1
t 100
OFF1(MIN)
t 4
SS1
V 3.6
OUT1PSM
R 1
DS(ON)2L
t 450
ONPSM1
V 3.3
OUT2
V −1.5
OUT2(DEFAULT)
−2.5
∆V /I −0.4
OUT2 LOAD
∆V /V 0.1
OUT2 PVIN2
R 95
DS(ON)PRI2H
R 120
DS(ON)PRI2L
I 2 2.5
CL2
R 100
DS(ON)SEC2H
R 130
DS(ON)SEC2L
t 100
OFF2(MIN)
t 4.5
SS2
R 100
DIS2
V 0.96
FB3
V −1
FB3(DEFAULT)
−2.5
∆V /I 0.3
OUT3 LOAD
∆V /V 0.1
OUT3 PVIN3
R 65
DS(ON)3H
R 50
DS(ON)3L
I 2.3 3
CL3
t 4
SS3
R 1
DIS3
Rev. Sp0 | Page 5 of 60
ADP50460008
Max Unit Test Conditions/Comments
5.3 V
+1.5 % Default VID code
+2.5 % −10°C ≤ T ≤ +85°C
J
%/A I = 100 mA to 600 mA
VOUT1
%/V V = 2.1 V to 4.5 V
VBATT
mΩ I = 100 mA
D
mΩ I = 100 mA
D
A −10°C ≤ T ≤ +85°C
J
ns
ms Default SFTTIM code
V EN = low
Ω I = 30 mA, EN = low
D
ns V = 3.0 V
VBATT
3.65 V
+1.5 % Default VID code
+2.5 % −10°C ≤ T ≤ +85°C
J
%/A I = 100 mA to 600 mA
VOUT2
%/V V = 2.1 V to 4.5 V
PVIN2
mΩ I = 100 mA, V
D
mΩ I = 100 mA, V
D
A −10°C ≤ T ≤ +85°C
J
mΩ I = 100 mA, V
D
mΩ I = 100 mA, V
D
ns
ms Default SFTTIM code
Ω
1.26 V
+1 % Default VID code
+2.5 % −10°C ≤ T ≤ +85°C
J
%/A I = 100 mA to 1.4 A
VOUT3
%/V V = 2.1 V to 4.5 V
PVIN3
mΩ I = 100 mA
D
mΩ I = 100 mA
D
A −10°C ≤ T ≤ +85°C
J
ms Default SFTTIM code
kΩ
= 3.6 V
PVIN2
= 3.6 V
PVIN2
= 2.8 V
OUT2
= 2.8 V
OUT2