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| 型号： | ZL2004EVK1 |
| 厂商： | Intersil |
| 文件页数： | 18/42页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR ZL2004 |
| 标准包装： | 1 |
| 系列： | * |
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ZL2004
Logic
high
SYNC
SYNC
200kHz – 1.33MHz
N/C
ZL
A) SYNC = output
Logic
200kHz – 1.4MHz
N/C
ZL
B) SYNC = input
N/C
high
SYNC
Open
SYNC
SYNC
200kHz – 1.4MHz
ZL
OR
Logic
ZL
OR
R SYNC
ZL
low
C) SYNC = Auto Detect
Figure 13. SYNC Pin Configurations
Table 14. R SYNC Resistor Values
R SYNC f SW R SYNC
10 k? 200 kHz 26.1 k?
11 k? 222 kHz 28.7 k?
12.1 k? 242 kHz 31.6 k?
13.3 k? 267 kHz 34.8 k?
f SW
533 kHz
571 kHz
615 kHz
727 kHz
When multiple Zilker Labs devices are used together,
connecting the SYNC pins together will force all
devices to synchronize with each other. The CFG pin
of one device must set its SYNC pin as an output and
the remaining devices must have their SYNC pins set
as Auto Detect.
14.7 k?
16.2 k?
17.8 k?
19.6 k?
21.5 k?
23.7 k?
296 kHz
320 kHz
364 kHz
400 kHz
421 kHz
471 kHz
38.3 k?
46.4 k?
51.1 k?
56.2 k?
68.1 k?
800 kHz
889 kHz
1000 kHz
1143 kHz
1333 kHz
Note : The switching frequency read back using the
appropriate PMBus command will differ slightly from
the selected values in Table 14. The difference is due
to hardware quantization.
5.7 Power Train Component Selection
The switching frequency can also be set to any value
between 200 kHz and 1.33 MHz using the I 2 C/SMBus
interface. The available frequencies below 1.4 MHz are
defined by f SW = 8 MHz/N, where 6 ≤ N ≤ 40 . See
Application Note AN33 for details.
If a value other than f SW = 8 MHz/N is entered using a
PMBus command, the internal circuitry will select the
switching frequency value using N as a whole number
to achieve a value close to the entered value. For
example, if 810 kHz is entered, the device will select
800 kHz (N=10).
18
The ZL2004 is a synchronous buck converter that uses
external Driver, MOSFETs, inductor and capacitors to
perform the power conversion process. The proper
selection of the external components is critical for
optimized performance.
To select the appropriate external components for the
desired performance goals, the power supply
requirements listed in Table 15 must be known.
FN6846.3
February 15, 2011
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL2005 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Digital-DC? Integrated Power Management and Conversion IC |
| ZL2005ALNF | 制造商:Intersil Corporation 功能描述:DIGITAL DC-DC CONTROLLER W/ DRIVERS - TRAY100 - Trays 制造商:Intersil Corporation 功能描述:IC REG CNTRLR BUCK PWM 36-QFN 制造商:Intersil Corporation 功能描述:Digital DC-DC Controller w/ Drivers - BULK 50 |
| ZL2005ALNFT | 功能描述:电压模式 PWM 控制器 DIGTL DC-DC CNTRLR W/DRVRS TR100 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| ZL2005ALNFT1 | 功能描述:电压模式 PWM 控制器 DIGTL DC-DC CNTRLR W/DRVRS TR1K RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| ZL2005P | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Digital-DC? Controller with Drivers and POLA/DOSA Trim |
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