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参数资料
| 型号： | MAX1565ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC DGTL CAM PWR-SUP 5CH 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 应用： | 转换器控制器，数字式相机 |
| 输入电压： | 0.7 V ~ 5.5 V |
| 输出数： | 5 |
| 输出电压： | 3.3V，1.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
Small, High-Efficiency, Five-Channel
Digital Still Camera Power Supply
Typical Operating Characteristics (continued)
(Circuit of Figure 1, T A = +25 ° C, unless otherwise noted.)
0A
STEP-UP LOAD TRANSIENT RESPONSE
MAX1565 toc19
I OUTSU
200mA/div
0A
STEP-DOWN LOAD TRANSIENT RESPONSE
MAX1565 toc20
I OUTSD
100mA/div
0V
V OUTSU = 3.3V
V IN = 2.5V
V OUTSU
AC-COUPLED
100mV/div
0V
V OUTSD = 1.5V
V OUTSU = 3.3V
V IN = 2.5V
V OUTSD
AC-COUPLED
50mV/div
400 μ s/div
400 μ s/div
Pin Description
PIN
1
2
3
4
5
6
NAME
COMP1
FB1
PGNDA
LXSD
INSD
ONSD
FUNCTION
Auxiliary Controller 1 Compensation Node. Connect a series RC from COMP1 to GND to compensate the
control loop. COMP1 is actively driven to GND in shutdown and thermal limit.
Auxiliary Controller 1 Feedback Input. For 5V output, short FBSEL1 to GND and connect FB1 to the output
voltage. For other output voltages, connect FBSEL1 to OUTSU and connect a resistive voltage-divider from
the step-up converter output to FB1 to GND. The FB1 feedback threshold is then 1.25V. This pin is high
impedance in shutdown.
Power Ground. Connect PGNDA and PGNDB together and to GND with short trace as close to the IC as
possible.
Step-Down Converter Power-Switching Node. Connect LXSD to the step-down converter inductor. LXSD is
the drain of the P-channel switch and N-channel synchronous rectifier. LXSD is high impedance in
shutdown.
Step-Down Converter Input. INSD can connect to OUTSU, effectively making OUTSD a buck-boost output
from the battery. Bypass to GND with a 1μF ceramic capacitor if connected to OUTSU. INSD may also be
connected to the battery, but should not exceed OUTSU by more than a Schottky diode forward voltage.
Bypass INSD with a 10μF ceramic capacitor when connecting to the battery input. A 10k ? internal
resistance connects OUTSU and INSD.
Step-Down Converter On/Off Control Input. Drive ONSD high to turn on the step-down converter. This pin
has an internal 330k ? pulldown resistor. ONSD does not start until OUTSU is in regulation.
Step-Down Converter Compensation Node. Connect a series RC from COMPSD to GND to compensate the
7
COMPSD control loop. COMPSD is pulled to GND in normal shutdown and during thermal shutdown (see the Step-
Down Compensation section).
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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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