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參數(shù)資料
| 型號(hào)： | MAX1566-MAX1567 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Six-Channel, High-Efficiency, Digital Camera Power Supplies |
| 中文描述： | 六通道，高效率，數(shù)碼相機(jī)電源 |
| 文件頁數(shù)： | 13/35頁 |
| 文件大?。?/td> | 1134K |
| 代理商： | MAX1566-MAX1567 |
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M
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
______________________________________________________________________________________
13
Pin Description (continued)
PIN
NAME
FUNCTION
16
CCSU
Step-Up Converter Compensation Node. Connect a series resistor-capacitor from this pin to GND for
compensating the converter control loop. This pin is actively driven to GND in shutdown, overload,
and thermal limit. See the
Step-Up Compensation
section.
Step-Up Converter Feedback Input. The feedback threshold is 1.25V. This pin is high impedance in
shutdown.
Step-Up Converter On/Off Control. Logic high = on. All other ON_ pins are locked out until 1024 OSC
cycles after the step-up DC-to-DC converter output has reached its final value. This pin has an
internal 330k
pulldown resistance to GND.
17
FBSU
18
ONSU
19
SCF
Open-Drain, Active-Low, Short-Circuit Flag Output. SCF goes open when overload protection occurs
and during startup. SCF can drive high-side PFET switches connected to one or more outputs to
completely disconnect the load when the channel turns off in response to a logic command or an
overload. See the
Status Outputs (
SDOK
,
AUX1OK
, SCF)
section.
20
AUX1OK
Open-Drain, Active-Low, Power-OK Signal for AUX1 Controller.
AUX1OK
goes low when the AUX1
controller has successfully completed soft-start.
AUX1OK
goes high impedance in shutdown,
overload, and thermal limit.
Open-Drain, Active-Low, Power-OK Signal for Step-Down Converter.
SDOK
goes low when the step-
down has successfully completed soft-start.
SDOK
goes high impedance in shutdown, overload, and
thermal limit.
21
SDOK
22
OSC
Oscillator Control. Connect a timing capacitor from OSC to GND and a timing resistor from OSC to
PVSU (or other DC voltage) to set the oscillator frequency between 100kHz and 1MHz. See the
Setting the Switching Frequency
section. This pin is high impedance in shutdown.
Power Ground. Connect all PG_ pins to GND with short wide traces as close to the IC as possible.
Step-Up Converter Switching Node. Connect to the inductor of the step-up converter. LXSU is high
impedance in shutdown.
Power Output of the Step-Up DC-to-DC Converter. PVSU can also power other converter channels.
Connect PVSU and PV together.
Power Ground. Connect all PG_ pins to GND with short wide traces as close to the IC as possible.
Main Converter Switching Node. Connect to the inductor of the main converter (can be configured as
a step-up or step-down by SUSD). LXM is high impedance in shutdown.
When SUSD = PVSU, the main converter is configured as a step-up and PVM is the main output.
When SUSD = GND, the main is configured as a step-down and PVM is the power input.
AUX2 Controller On/Off Input. Logic high = on; however, turn-on is locked out until 1024 OSC cycles
after the step-up has reached regulation. This pin has an internal 330k
pulldown resistance to GND.
AUX2 Controller Compensation Node. Connect a series resistor-capacitor from this pin to GND to
compensate the converter control loop. This pin is actively driven to GND in shutdown, overload, and
thermal limit. See the
AUX Compensation
section.
23
PGSU
24
LXSU
25
PVSU
26
PGM
27
LXM
28
PVM
29
ON2
30
CC2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1567ETL | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL+ | 功能描述:PMIC 解決方案 6Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL+T | 功能描述:PMIC 解決方案 6Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL-T | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567EVKIT | 制造商:Maxim Integrated Products 功能描述:6-CHANNEL HIGH EFFICIENCY DIGITAL CAMERA POWE - Bulk |
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