MAX1584ETJ+T Maxim Integrated Products, MAX1584ETJ+T Datasheet - Page 6

• Manufacturer Part Number: MAX1584ETJ+T
• Description: IC DGTL CAM PWR-SUP 5CH 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1584ETJ+T

• Applications: Controller, Digital Camera
• Voltage - Input: 0.7 ~ 5.5 V
• Number Of Outputs: 5
• Voltage - Output: 1.25 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
5-Channel Slim DSC Power Supplies
6
Note 2: The MAX1584/MAX1585 are powered from the step-up output (PVSU). An internal low-voltage startup oscillator drives the
Note 3: Since the device is powered from PVSU, a Schottky rectifier, connected from the input battery to PVSU, is required for low-
Note 4: The step-up regulator is in startup mode until this voltage is reached. Do not apply full load current during startup. A power-
FBSD Regulation Voltage
FBSD to CCSD
Transconductance
FBSD Input Leakage Current
LXSD Leakage Current
Switch On-Resistance
P-Channel Current Limit
SDOK Output Low Voltage
SDOK Leakage Current
AUX1, 2, 3 DC-DC CONTROLLERS
Maximum Duty Cycle
FB1 and FB3 Regulation Voltage
FB2 (MAX1584) Regulation
Voltage
FB2 (MAX1585) (Inverter)
Regulation Voltage
FB_ to CC_ Transconductance
FB_ Input Leakage Current
DL_ Driver Resistance
AUX1OK Output Low Voltage
AUX1OK Leakage Current
OVERLOAD AND THERMAL PROTECTION
SCF Leakage Current
SCF Output Low Voltage
LOGIC INPUTS
ON_ Input Low Level
ON_ Input High Level
PVSU
_______________________________________________________________________________________
= V
step-up starting at about 0.9V until PVSU reaches approximately 2.5V. When PVSU reaches 2.5V, the main control circuitry
takes over. Once the step-up is up and running, it can maintain operation with very low input voltages; however, output cur-
rent is limited.
voltage startup, or if PVSD is connected to V
OK output can be used with an external PFET to gate the load until the step-up is in regulation. See the
Information section.
PV
PARAMETER
= V
PVSD
= V
INDL2
= 3.6V, T
FBSD = CCSD
FBSD = 1.25V
V
N channel
P channel
0.1mA into SDOK
ONSU = GND
FB_ = 1V
FB_ = CC_
FB_ = CC_
FB_ = CC_
FB_ = CC_
FB_ = 1.25V
Output high or low
0.1mA into AUX1OK
ONSU = GND
ONSU = PVSU, FBSU = 1.5V
0.1mA into SCF
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
LXSD
A
= -40°C to +85°C, unless otherwise noted.) (Note 8)
= 0 to 3.6V, PVSU = 3.6V
IN
instead of PVSU.
CONDITIONS
V
PVSU
1.225
1.225
1.225
-0.01
-100
0.65
-100
MIN
1.6
80
80
80
- 0.2
Applications
+0.01
1.275
1.275
1.275
+100
+100
MAX
0.95
185
150
250
185
0.1
0.1
0.1
0.2
0.4
90
10
5
1
1
1
UNITS
mΩ
µS
nA
µA
µA
µS
nA
µA
µA
%
Ω
V
A
V
V
V
V
V
V
V
V