MAX1585ETJ+T Maxim Integrated Products, MAX1585ETJ+T Datasheet - Page 26

• Manufacturer Part Number: MAX1585ETJ+T
• Description: IC DGTL CAM PWR-SUP 5CH 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1585ETJ+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

The MAX1801 is a 6-pin SOT slave DC-DC controller
that can be connected to generate additional output
voltages. It does not generate its own reference or
oscillator. Instead, it uses the reference and oscillator
of the MAX1584/MAX1585 (Figure 12).
5-Channel Slim DSC Power Supplies
Figure 8. Regulated -7.5V Negative CCD Bias Provided by
Conventional Inverter (MAX1585 Only)
Figure 9. ±15V Output from AUX-Driven Boost with Charge-
Pump Inversion
26
TO V
______________________________________________________________________________________
BATT
INVERTING
AUX_
PWM
(PARTIAL)
MAX1584
MAX1585
(PARTIAL)
AUX2
PWM
MAX1585
PVSU
NOTE: THIS CIRCUIT CAN OPERATE WITH AUX1
OR AUX2 ON THE MAX1584, AND WITH AUX1 ON THE MAX1585.
1μF
INDL2
FB_
DL_
DL2
FB2
REF
10μH
L1
Adding a MAX1801 Slave
Q1
D2
TO V
1μF
1μF
C2
C1
D1
BATT
D3
R1
1MΩ
90.9kΩ
R
R
TOP
REF
R2
C3
1μF
-7.5V
100mA
V
+15V
20mA
V
-15V
10mA
OUT+
OUT-
Figure 10. +15V and -7.5V CCD Bias Without Transformer from
AUX-Driven Boost and Charge Pump. A positive linear regula-
tor (MAX1616) regulates the negative output of the charge
pump.
Figure 11. SEPIC Converter for Additional Boost-Buck Channel
MAX1584/MAX1585
NOTE: THIS CIRCUIT CAN OPERATE WITH AUX1
OR AUX2 ON THE MAX1584, AND WITH AUX1 ON THE MAX1585.
AUX_
PWM
TO V
(PARTIAL)
NOTE: THIS CIRCUIT CAN OPERATE WITH AUX1
OR AUX2 ON THE MAX1584, AND WITH AUX1 ON THE MAX1585.
BATT
PVSU
1-CELL
(PARTIAL)
INPUT
MAX1584
MAX1585
V
PART OF
PV
SU
Li+
DL_
FB_
PVSU
DL_
FB_
OUT
L1
IN
+1.25V
MAX1616
Q1
C2
SHDN
L2
GND
FB_
D1
R1
R2
+15V
20mA
OUTPUT
3.3V
-7.5V
20mA