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参数资料
| 型号： | ISL8011IRZ |
| 厂商： | Intersil |
| 文件页数： | 5/10页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1.2A 10DFN |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 5.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.6MHz |
| 电流 - 输出： | 1.2A |
| 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： | 10-VFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-DFN（3x3） |
ISL8011
Typical Operating Performance
(Continued)
V OUT
V PHASE
I O
I L
FIGURE 9. LOAD TRANSIENT (V IN = 3.6V; V O = 1.6V; I O = 0A TO ~1A)
Pin Descriptions
PVIN
Input supply voltage. Connect a 10μF ceramic capacitor to
power ground.
VCC
Supply voltage for internal analog and digital control circuits,
delivered from PVIN. Bypass with 0.1μF ceramic capacitor to
signal ground.
EN
Regulator enable pin. Force this pin above 1.4V enable the
chip. Force this pin below 0.4V shutdown the chip and
discharge output capacitor when driven to low. Do not leave
this pin floating.
POR
200ms timer output. At power-up or EN HI, this output is a
200ms delayed Power-Good signal for the output voltage.
GND
Ground. Connect this pin to the exposed pad and SGND.
PHASE
Switching node connection. Connect to one terminal of
inductor.
PGND
Power ground. Connect all power grounds to this pin.
SGND
Analog ground. SGND and PGND should only have one
point connection.
5
FB
Buck regulator output feedback. Connect to the output
through a resistor divider for adjustable the output voltage.
Exposed Pad
The exposed pad must be connected to the PGND pin for
proper electrical performance and optimal thermal
performance.
NC
NC is the No Connect pin. Tie this pin to SGND to prevent
noise.
FN9254.2
August 4, 2009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL8011IRZ-T | 功能描述:IC REG BUCK SYNC ADJ 1.2A 10DFN RoHS:是 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:2,500 系列:- 类型:降压（降压） 输出类型:两者兼有 输出数:1 输出电压:5V，1 V ~ 10 V 输入电压:3.5 V ~ 28 V PWM 型:电流模式 频率 - 开关:220kHz ~ 1MHz 电流 - 输出:600mA 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SSOP（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:16-QSOP |
| ISL8012 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:2A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator |
| ISL8012_10 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:2A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator |
| ISL80121-5 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:High Performance 1A Linear Regulator with Programmable Current Limiting |
| ISL80121-5_11 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:1A Ultra Low Dropout Linear Regulator |
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