MAX1584 Datasheet, PDF (3/29 Pages) Maxim Integrated Products – 5-Channel Slim DSC Power Supplies

5-Channel Slim DSC Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(V_PVSU = V_PV = V_PVSD = V_INDL2 = 3.6V, T_A = 0°C to +85°C, unless otherwise noted.)
PARAMETER
CONDITIONS
Step-Up Voltage Adjust Range
Start Delay of ONSD, ON1, ON2,
ON3 after SU in Regulation
FBSU Regulation Voltage
FBSU to CCSU
Transconductance
FBSU = CCSU
FBSU Input Leakage Current
Idle Mode^TM Trip Level
FBSU = 1.25V
(Note 6)
Current-Sense Amplifier
Transresistance
Step-Up Maximum Duty Cycle FBSU = 1V
PVSU Leakage Current
LXSU Leakage Current
Switch On-Resistance
N-Channel Current Limit
V_LX = 0V, PVSU = 5.5V
V_LXSU = V_OUT = 5.5V
N channel
P channel
P-Channel Turn-Off Current
Startup Current Limit
PVSU = 1.8V (Note 5)
Startup t_OFF
PVSU = 1.8V
Startup Frequency
PVSU = 1.8V
STEP-DOWN DC-DC CONVERTER
Step-Down Output Voltage
Adjust Range
PVSD must be greater than output (Note 7)
FBSD Regulation Voltage
FBSD to CCSD
Transconductance
FBSD Input Leakage Current
Idle Mode Trip Level
Current-Sense Amplifier
Transresistance
LXSD Leakage Current
Switch On-Resistance
P-Channel Current Limit
N-Channel Turn-Off Current
FBSD = CCSD
FBSD = 1.25V
(Note 6)
V_LXSD = 0 to 3.6V, PVSU = 3.6V
N channel
P channel
Soft-Start Interval
SDOK Output Low Voltage
SDOK Leakage Current
0.1mA into SDOK
ONSU = GND
Idle Mode is a trademark of Maxim Integrated Products, Inc.
MIN
3.0
1.231
TYP
1024
1.25
MAX
5.5
1.269
UNITS
V
OSC
cycles
V
80
135
185
µS
-100
+1 +100
nA
150
mA
0.275
V/A
80
85
90
%
0.1
5
µA
0.1
5
µA
95
150
mΩ
150
250
2.4
2.8
3.2
A
20
mA
450
mA
700
ns
200
kHz
1.25
1.231
80
-100
0.65
1.25
135
+0.1
100
0.5
0.1
95
150
0.8
20
2048
0.01
0.01
5.00
1.269
185
+100
5
150
250
0.95
0.1
1
V
V
µS
nA
mA
V/A
µA
mΩ
A
mA
OSC
cycles
V
µA
_______________________________________________________________________________________ 3