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

5-Channel Slim DSC Power Supplies
ELECTRICAL CHARACTERISTICS
(V_PVSU = V_PV = V_PVSD = V_INDL2 = 3.6V, T_A = -40°C to +85°C, unless otherwise noted.) (Note 8)
PARAMETER
GENERAL
Input Voltage Range
Shutdown Supply Current
into PVSU
(Note 2)
PVSU = 3.6V
CONDITIONS
Supply Current into PV with
Step-Up Enabled
ONSU = 3.6V, FBSU = 1.5V
(does not include switching losses)
Supply Current into PV with
ONSU = ONSD = 3.6V, FBSU = 1.5V, FBSD = 1.5V
Step-Up and Step-Down Enabled (does not include switching losses)
Total Supply Current from PV and
PVSU with Step-Up and One AUX
Enabled
ONSU = ON1 = 3.6V, FBSU = 1.5V, FB2 = 1.5V
(does not include switching losses)
REFERENCE
Reference Output Voltage
Reference Load Regulation
Reference Line Regulation
I_REF = 20µA
10µA < I_REF < 200µA
2.7V < PVSU < 5.5V
OSCILLATOR
OSC Discharge Trip Level
Rising edge
OSC Discharge Resistance
OSC = 1.5V, I_OSC = 3mA
STEP-UP DC-DC CONVERTER
Step-Up Startup-to-Normal
Operating Threshold
Rising edge or falling edge (Note 4)
Step-Up Voltage Adjust Range
FBSU Regulation Voltage
FBSU to CCSU
Transconductance
FBSU = CCSU
FBSU Input Leakage Current
FBSU = 1.25V
Step-Up Maximum Duty Cycle FBSU = 1V
PVSU Leakage Current
LXSU Leakage Current
Switch On-Resistance
V_LX = 0V, PVSU = 5.5V
V_LXSU = V_OUT = 5.5V
N channel
P channel
N-Channel Current Limit
STEP-DOWN DC-DC CONVERTER
Step-Down Output Voltage Adjust
Range
PVSD must be greater than output (Note 7)
MIN
0.7
1.225
1.225
2.30
3.0
1.225
80
-100
80
2.4
1.25
MAX
UNITS
5.5
V
5
µA
450
µA
700
µA
650
µA
1.275
V
10
mV
5
mV
1.275
V
80
Ω
2.65
V
5.5
V
1.275
V
185
µS
+100
nA
90
%
5
µA
5
µA
150
mΩ
250
3.2
A
5.00
V
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