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参数资料
| 型号： | EL7564CMZ-T13 |
| 厂商： | Intersil |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 20SOIC |
| 标准包装： | 1,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1 V ~ 3.8 V |
| 输入电压： | 4.5 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-SO |
EL7564
Pin Descriptions
20-PIN SO
28-PIN
(0.300”)
1
2
3
4
5
6, 7
HTSSOP
1
2
3
4
5
6, 7, 8, 9
PIN NAME
VREF
SGND
COSC
VDD
VTJ
PGND
PIN FUNCTION
Bandgap reference bypass capacitor; typically 0.1μF to SGND
Control circuit negative supply or signal ground
Oscillator timing capacitor (see performance curves)
Control circuit positive supply; normally connected to VIN through an RC filter
Junction temperature monitor; connected with 2.2nF to 3.3nF to SGND
Ground return of the regulator; connected to the source of the low-side synchronous NMOS
power FET
8
9
10, 11
13
VIN
STP
Power supply input of the regulator; connected to the drain of the high-side NMOS power FET
Auxiliary supply tracking positive input; tied to regulator output to synchronize start up with a
second supply; leave open for stand alone operation; 2μA internal pull down current
10
14
STN
Auxiliary supply tracking negative input; connect to output of a second supply to synchronize
start up; leave open for stand alone operation; 2μA internal pull up current
11, 12, 13
15, 16
PGND
Ground return of the regulator; connected to the source of the low-side synchronous NMOS
power FET
14, 15
16
18, 19, 20, 21,
22, 23
24
LX
VHI
Inductor drive pin; high current output whose average voltage equals the regulator output
voltage
Positive supply of high-side driver; boot strapped from VDRV to LX with an external 0.22μF
capacitor
17
18
25
26
VDRV
PG
Positive supply of low-side driver and input voltage for high side boot strap
Power good window comparator output; logic 1 when regulator output is within ±10% of target
output voltage
19
27
FB
Voltage feedback input; connected to external resistor divider between VOUT and SGND; a
125nA pull-up current forces VOUT to SGND in the event that FB is floating
20
28
EN
Chip enable, active high; a 2μA internal pull up current enables the device if the pin is left open;
a capacitor can be added at this pin to delay the start of converter
Typical Performance Curves
100
95
90
V IN =5V
V O =3.3V
100
95
90
V IN =5V
V O =3.3V
85
80
75
V O =2.8V
V O =1.8V
85
80
75
V O =2.5V
V O =1.8V
70
65
70
65
60
0
0.5
1
1.5
2
2.5
3
3.5
4
60
0.1
0.6
1.1
1.6
2.1
2.6
3.1
3.6
4.1
LOAD CURRENT I O (A)
FIGURE 1. EL7564CM EFFICIENCY
5
I O (A)
FIGURE 2. EL7564CRE EFFICIENCY
FN7297.3
May 9, 2005
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EL7564CRE | 功能描述:IC REG BUCK SYNC ADJ 4A 28HTSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| EL7564CRE-T13 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Monolithic 4 Amp DC/DC Step-Down Regulator |
| EL7564CRE-T7 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Monolithic 4 Amp DC/DC Step-Down Regulator |
| EL7564CREZ | 功能描述:直流/直流开关调节器 EL7564CREZ MONO 4 AMP STP DWN SWITCH RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| EL7564CREZ-T13 | 功能描述:直流/直流开关调节器 EL7564CREZ MONO 4 AMP STP DWN SWTCH RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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