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参数资料
| 型号： | ISL6551EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 20/26页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD ISL6551 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 60A |
| 输入电压： | 36 ~ 75 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 470kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ISL6551 |
ISL6551
Main Transformers
Supervisor Circuits
P+
P–
S+
S–
(1) INTEGRATED SOLUTION
? Intersil ISL6550 Supervisor And Monitor (SAM). Its QFN
package requires less space than the SOIC package.
FIGURE 18A. FULL BRIDGE AND CURRENT DOUBLER
VCC
VOPP
1
2
20 UVDLY
19 OVUVSEN
VOPM
3
18 PGOOD
PGOOD
P+
S+
V OUT F
VOPOUT
VREF5
VOPOUT
VREF5
GND
4
5
6
17 START
16 PEN
15 VID0
START
PEN
P– S–
FIGURE 18B. CONVENTIONAL FULL BRIDGE
BDAC
BDAC
OVUVTH
DACHI
7
8
9
14 VID1
13 VID2
12 VID3
DACLO 10
11 VID4
P1–
V IN F
or CURRENT_SEN_P
S+
FIGURE 19. ISL6550 SOIC
P2–
S–
? Over-temperature protection (discrete)
FIGURE 18C. PUSH-PULL AND CURRENT DOUBLER
? Input UV lockout (discrete)
(2) DISCRETE SOLUTION
P1–
V IN F
or CURRENT_SEN_P
P2–
S+
V OUT F
S–
? Differential Amplifier
? VCC undervoltage lockout
? Programmable output OV and UV
FIGURE 18D. CONVENTIONAL PUSH-PULL
Full Bridge and Current Doubler - No center tap is
required. The secondary winding carries half of the load, i.e.,
only half of the load is reflected to the primary.
Conventional Full Bridge - Center tap is required on the
secondary side, and no center tap is required on the primary
side. The secondary winding carries all the load. i.e., all the
load is reflected to the primary.
Push-Pull and Current Doubler - Center tap is required on
the primary side, and no center tap is required on the
secondary side. The secondary winding carries half of the
load, i.e., only half of the load is reflected to the primary.
Conventional Push-Pull - Both primary and secondary
sides require center taps. The secondary winding carries all
the load, i.e., all the load is reflected to the primary.
20
? Programmable output
? Status indicators (PGOOD and START)
? Precision Reference
? Ove- temperature protection
? Input UV lockout
The Integrated Solution is much simpler than a discrete
solution. Over-temperature protection and input under
voltage lockout can be added for better system protection
and performance.
The Discrete Solution requires a significant number of
components to implement the features that the ISL6550 can
provide.
FN9066.5
January 3, 2006
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6551IB | 功能描述:电流型 PWM 控制器 FULL BRIDGE RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| ISL6551IB-T | 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 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:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| ISL6551IBZ | 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| ISL6551IBZ-T | 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| ISL6551IR | 功能描述:IC REG CTRLR FLYBACK PWM 28-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 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:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
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