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参数资料
| 型号： | ZL2004ALNFT |
| 厂商： | Intersil |
| 文件页数： | 2/42页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK SYNC ADJ 32QFN |
| 标准包装： | 100 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | * |
| 占空比： | 95% |
| 电源电压： | 4.5 V ~ 14 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | * |
| 包装： | * |
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ZL2004
Table of Contents
1. Electrical Characteristics ................................................................................................................................................................. 3
2. Pin Descriptions .............................................................................................................................................................................. 6
3. Typical Application Circuit............................................................................................................................................................. 8
4. ZL2004 Overview ........................................................................................................................................................................... 9
4.1 Digital-DC Architecture ......................................................................................................................................................... 9
4.2 Power Conversion Overview ............................................................................................................................................... 10
4.3 Power Management Overview ............................................................................................................................................. 11
4.4 Multi-mode Pins .................................................................................................................................................................. 11
5. Power Conversion Functional Description ................................................................................................................................... 12
5.1 Internal Bias Regulators and Input Supply Connections...................................................................................................... 12
5.2 Output Voltage Selection ..................................................................................................................................................... 12
5.3 Start-up Procedure ............................................................................................................................................................... 15
5.4 Soft Start Delay and Ramp Times ........................................................................................................................................ 15
5.5 Power Good ......................................................................................................................................................................... 16
5.6 Switching Frequency and PLL ............................................................................................................................................. 17
5.7 Power Train Component Selection ...................................................................................................................................... 18
5.8 Current Limit Threshold Selection ...................................................................................................................................... 22
5.9 Loop Compensation ............................................................................................................................................................. 25
5.10 Adaptive Loop Compensation ........................................................................................................................................... 25
5.11 Non-linear Response (NLR) Settings................................................................................................................................. 26
5.12 Efficiency Optimized Driver Dead-time Control ............................................................................................................... 26
5.13 Adaptive Diode Emulation................................................................................................................................................. 27
5.14 Adaptive Frequency Control .............................................................................................................................................. 27
6. Power Management Functional Description ................................................................................................................................. 28
6.1 Input Undervoltage Lockout ................................................................................................................................................ 28
6.2 Output Overvoltage Protection ............................................................................................................................................ 28
6.3 Output Pre-Bias Protection .................................................................................................................................................. 28
6.4 Output Overcurrent Protection ............................................................................................................................................. 29
6.5 Thermal Overload Protection ............................................................................................................................................... 30
6.6 Voltage Tracking ................................................................................................................................................................. 30
6.7 Voltage Margining ............................................................................................................................................................... 31
6.8 External Voltage Monitoring ............................................................................................................................................... 31
6.9 I 2 C/SMBus Communications ............................................................................................................................................... 32
6.10 I 2 C/SMBus Device Address Selection ............................................................................................................................... 32
6.11 Digital-DC Bus .................................................................................................................................................................. 33
6.12 Phase Spreading ................................................................................................................................................................. 33
6.13 Output Sequencing ............................................................................................................................................................. 34
6.14 Fault Spreading .................................................................................................................................................................. 35
6.15 Active Current Sharing ...................................................................................................................................................... 35
6.16 Phase Adding/Dropping ..................................................................................................................................................... 36
6.17 Monitoring via I 2 C/SMBus ................................................................................................................................................ 36
6.18 Temperature Monitoring Using the XTEMP Pin ............................................................................................................... 37
6.19 Snapshot ? Parameter Capture .......................................................................................................................................... 37
6.20 Non-Volatile Memory and Device Security Features ........................................................................................................ 38
7. Package Dimensions ..................................................................................................................................................................... 39
8. Ordering Information .................................................................................................................................................................... 40
9. Related Tools and Documentation ................................................................................................................................................ 40
10. Revision History ......................................................................................................................................................................... 41
2
FN6846.3
February 15, 2011
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL2004ALNFT-01 | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5 |
| ZL2004ALNFT1 | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5 |
| ZL2004ALNFT1-01 | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5 |
| ZL2004ALNN | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:100% 电源电压:8.2 V ~ 30 V 降压:无 升压:无 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:0°C ~ 70°C 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 产品目录页面:1316 (CN2011-ZH PDF) |
| ZL2004ALNN-01 | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:100% 电源电压:8.2 V ~ 30 V 降压:无 升压:无 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:0°C ~ 70°C 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 产品目录页面:1316 (CN2011-ZH PDF) |
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