MAX1567 Datasheet PDF - Maxim Integrated
| Part Number | MAX1567 | |
| Description | Six-Channel / High-Efficiency / Digital Camera Power Supplies | |
| Manufacturers | Maxim Integrated | |
| Logo |  |
|
|
There is a preview and MAX1567 download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
Preview 1 page No Preview Available !
19-2882; Rev 1; 4/04
EVAALVUAAILTAIOBNLEKIT
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
General Description
The MAX1566/MAX1567 provide a complete power-
supply solution for digital cameras. They improve perfor-
mance, component count, and size compared to con-
ventional multichannel controllers in 2-cell AA,
1-cell lithium-ion (Li+), and dual-battery designs. On-chip
MOSFETs provide up to 95% efficiency for critical power
supplies, while additional channels operate with external
FETs for optimum design flexibility. This optimizes overall
efficiency and cost, while also reducing board space.
The MAX1566/MAX1567 include six high-efficiency DC-
to-DC conversion channels:
• Step-up DC-to-DC converter with on-chip power FETs
• Main DC-to-DC converter with on-chip FETs, config-
urable to step either up or down
• Step-down core DC-to-DC converter with on-chip
FETs
• DC-to-DC controller for white LEDs or other output
• Extra DC-to-DC controller (typically for LCD); two
extra controllers on the MAX1566
• Transformerless inverting DC-to-DC controller (typi-
cally for negative CCD bias) on the MAX1567
All DC-to-DC channels operate at one fixed frequency
settable from 100kHz to 1MHz to optimize size, cost, and
efficiency. Other features include soft-start, power-OK
outputs, and overload protection. The MAX1566/
MAX1567 are available in space-saving 40-pin thin QFN
packages. An evaluation kit is available to expedite
designs.
Applications
Digital Cameras
PDAs
Typical Operating Circuit
Li+ OR 2AA
BATTERY INPUT
MAX1567
STEP-UP
MAIN DC-TO-DC
ONSU
ONM
ONSD
ON3(LED)
ON1
ON2
STEP-DN
AUX3
AUX1
AUX2
SYSTEM 5V
3.3V LOGIC
1.8V CORE
CCD/LCD + 15V
CCD - 7.5V
LEDS
Features
♦ 95% Efficient Step-Up DC-to-DC Converter
♦ 0.7V Minimum Input Voltage
♦ Main DC-to-DC Configurable as Either Step-Up or
Step-Down
♦ Combine Step-Up and Step-Down for 90%
Efficient Boost-Buck
♦ 95% Efficient Step-Down for DSP Core
♦ Regulate LED Current for Four, Six, or More LEDs
♦ Open LED Overvoltage Protection
♦ Transformerless Inverting Controller (MAX1567)
♦ Three Extra PWM Controllers (Two on the
MAX1567)
♦ Up to 1MHz Operating Frequency
♦ 1µA Shutdown Mode
♦ Soft-Start and Overload Protection
♦ Compact 40-Pin 6mm x 6mm Thin QFN Package
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
AUX2
FUNCTION
MAX1566ETL
-40°C to +85°C
40 Thin QFN
6mm x 6mm
Step-up
controller
MAX1567ETL
-40°C to +85°C
40 Thin QFN
6mm x 6mm
Inverting
controller
Pin Configuration
TOP VIEW
40 39 38 37 36 35 34 33 32 31
FB3H 1
CC1 2
FB1 3
ON1 4
PGSD 5
LXSD 6
PVSD 7
ONSD 8
FBSD 9
CCSD 10
MAX1566/MAX1567
30 CC2
29 ON2
28 PVM
27 LXM
26 PGM
25 PVSU
24 LXSU
23 PGSU
22 OSC
21 SDOK
11 12 13 14 15 16 17 18 19 20
6mm x 6mm
THIN QFN
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
|
| |
 
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(VPVSU = VPV = VPVM = VPVSD = VINDL2 = 3.6V, TA = 0°C to +85°C, unless otherwise noted.)
PARAMETER
FB3L Regulation Voltage
CONDITIONS
AUX1, AUX2 FB to CC
Transconductance
AUX3 FBL or FBH to CC
Transconductance
FB_ Input Leakage Current
DL_ Driver Resistance
DL_ Drive Current
Output high or low
Sourcing or sinking
Soft-Start Interval
AUX1OK Output Low Voltage
AUX1OK Leakage Current
OVERLOAD PROTECTION
0.1mA into AUX1OK
ONSU = GND
Overload Protection Fault Delay
SCF Leakage Current
SCF Output Low Voltage
THERMAL-LIMIT PROTECTION
Thermal Shutdown
Thermal Hysteresis
LOGIC INPUTS (ON_, SUSD)
ONSU Input Low Level
ONSU = PVSU, FBSU = 1.5V
0.1mA into SCF
1.1V < PVSU < 1.8V
1.8V ≤ PVSU < 2.5V
2.5V ≤ PVSU < 5.5V
ONSU Input High Level
1.1V < PVSU < 1.8V
1.8V < PVSU < 5.5V
ONM, ONSD, ON1, ON2, ON3,
SUSD Input Low Level
ONM, ONSD, ON1, ON2, ON3,
SUSD Input High Level
SUSD Input Leakage
ON_ Impedance to GND
2.7V < PVSU < 5.5V (Note 8)
2.7V < PVSU < 5.5V (Note 8)
MIN TYP MAX
0.19 0.2 0.21
80 135 185
50
-100
100
0.1
2.5
0.5
4096
0.01
0.01
150
+100
7
0.1
1
100,000
0.1
0.01
1
0.1
160
20
(PVSU
- 0.2)
1.6
0.2
0.4
0.5
0.5
1.6
0.1
330
1
UNITS
V
µS
µS
nA
Ω
A
OSC
cycles
V
µA
OSC
cycles
µA
V
°C
°C
V
V
V
V
µA
kΩ
_______________________________________________________________________________________ 5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MAX1567 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ MAX1567.PDF Datasheet ] | |
Share Link :
Electronic Components Distributor
|
An electronic components distributor is a company that sources, stocks, and sells electronic components to manufacturers, engineers, and hobbyists. |
| SparkFun Electronics | Allied Electronics | DigiKey Electronics | Arrow Electronics |
| Mouser Electronics | Adafruit | Newark | Chip One Stop |
Featured Datasheets
| Part Number | Description | MFRS |
| MAX156 | The function is 8-/4-Channel ADCs with Simultaneous T/Hs and Reference. Maxim Integrated | |
| MAX1561 | The function is High-Efficiency / 26V Step-Up Converters for Two to Six White LEDs. Maxim Integrated | |
| MAX1561ETA | The function is High-Efficiency / 26V Step-Up Converters for Two to Six White LEDs. Maxim Integrated | |
Semiconductors commonly used in industry:
1N4148 |
BAW56 |
1N5400 |
NE555 | | ||
Quick jump to:
MAX1
1N4
2N2
2SA
2SC
74H
BC
HCF
IRF
KA | ||