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参数资料
| 型号： | MAX1565ETJ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Small, High-Efficiency, Five-Channel Digital Still Camera Power Supply |
| 中文描述： | 3.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, QCC32 |
| 封装： | 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-2, TQFN-32 |
| 文件页数： | 1/26页 |
| 文件大小： | 512K |
| 代理商： | MAX1565ETJ |
General Description
The MAX1565 provides a complete power-supply solution
for digital still and video cameras through the integration
of ultra-high-efficiency step-up/step-down DC-to-DC con-
verters along with three auxiliary step-up controllers. The
MAX1565 is targeted for applications that use either 2 or
3 alkaline or NiMH batteries as well as those using a
single lithium-ion (Li+) battery.
The step-up DC-to-DC converter accepts inputs from
0.7V to 5.5V and regulates a resistor-adjustable output
from 2.7V to 5.5V. It uses internal MOSFETs to achieve
95% efficiency. Adjustable operating frequency facili-
tates design for optimum size, cost, and efficiency.
The step-down DC-to-DC converter can produce output
voltages as low as 1.25V and also utilizes internal
MOSFETs to achieve 95% efficiency. An internal soft-
start ramp minimizes surge current from the battery.
The converter can operate from the step-up output pro-
viding buck-boost capability with up to 90% compound
efficiency, or it can run directly from the battery if buck-
boost operation is not needed.
The MAX1565 features auxiliary step-up controllers that
power CCD, LCD, motor actuator, and backlight cir-
cuits. The device also features low-cost expandability
by supplying power, an oscillator signal, and a refer-
ence to the MAX1801 SOT23 slave controller that sup-
ports step-up, SEPIC, and flyback configurations.
The MAX1565 is available in a space-saving 32-pin thin
QFN package.
Applications
Digital Still Cameras
Digital Video Cameras
PDAs
Features
o
Step-Up DC-to-DC Converter
95% Efficient
3.3V (Fixed) or 2.7V to 5.5V (Adjustable) Output
Voltage
o
Step-Down DC-to-DC Converter
Operate from Battery for 95% Efficient Buck
Combine with Step-Up for 90% Efficient Buck-
Boost
Adjustable Output Down to 1.25V
o
Three Auxiliary PWM Controllers
o
Up to 1MHz Operating Frequency
o
1μA Shutdown Mode
o
Internal Soft-Start Control
o
Overload Protection
o
Compact 32-Pin, 5mm x 5mm Thin QFN Package
M
Small, High-Efficiency, Five-Channel
Digital Still Camera Power Supply
________________________________________________________________
Maxim Integrated Products
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.
1
MAX1565
5mm x 5mm
THIN QFN
TOP VIEW
32
28
29
30
31
25
26
27
C
G
D
D
F
D
O
F
10
13
15
14
16
11
12
9
O
O
O
R
O
C
F
F
17
18
19
20
21
22
23
SDOK
24
COMP3
OUTSUA
LXSU
PGNDB
OSC
FBSEL1
FBSELSD
2
3
4
5
6
7
8
FBSD
COMPSD
ONSD
INSD
LXSD
PGNDA
FB1
1
COMP1
Pin Configuration
Ordering Information
TEMP RANGE
-40°C to +85°C
MAIN +3.3V
CORE +1.5V
MOTOR +5V
CCD +15V/-7.5V
LCD, LED +15V
STEP-UP
STEP-DOWN
AUX1
AUX2
AUX3
0N3
ON2
ON1
ONSD
ONSU
MAX1565
INPUT
+0.7V TO +5.5V
ON/OFF
CONTROLS
Typical Operating Circuit
19-2712; Rev 0; 1/03
EVALUATION KIT
AVAILABLE
PART
PIN-PACKAGE
32 Thin QFN
MAX1565ETJ
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1565ETJ+ | 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1565ETJ+T | 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1565ETJ-T | 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1565EVKIT | 制造商:Maxim Integrated Products 功能描述:SMALL, HIGH-EFFICIENCY, FIVE-CHANNEL DSC - Bulk |
| MAX1566ETL | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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