参数资料
| 型号： | ISL8011IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1.2A 10DFN |
| 标准包装： | 6,000 |
| 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： | 带卷 (TR) |
| 供应商设备封装： | 10-DFN（3x3） |
ISL8011
Electrical Specifications
T A = +25°C, V PVIN = V VCC = 3.6V, EN = V CC , L = 1.8μH, C 1 = 10μF, C 2 = 10μF, I OUT = 0A (see “Typical
Applications” on page 6); Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
POR
Output Low Voltage
Delay Time
POR Pin Leakage Current
Minimum Supply Voltage for Valid POR Signal
Internal PGOOD Low Rising Threshold
Internal PGOOD Low Falling Threshold
Internal PGOOD High Rising Threshold
Internal PGOOD High Falling Threshold
Internal PGOOD Delay Time
Sinking 1mA, FB = 0.7V
POR = V CC = 3.6V
Percentage of Nominal Regulation Voltage
Percentage of Nominal Regulation Voltage
Percentage of Nominal Regulation Voltage
Percentage of Nominal Regulation Voltage
-
150
-
1.2
89.5
85
105.5
102
-
-
200
0.01
-
92
88
108
105
50
0.3
275
0.1
-
94.5
91
110.5
108
-
V
ms
μA
V
%
%
%
%
μs
EN
Logic Input Low
Logic Input High
-
1.4
-
-
0.4
-
V
V
Logic Input Leakage Current
Thermal Shutdown
Thermal Shutdown Hysteresis
Pulled up to 5.5V
-
-
-
0.1
150
25
1
-
-
μA
°C
°C
Typical Operating Performance
100
90
80
70
V OUT = 1.8V
V OUT = 3.3V
V OUT = 2.5V
2.60
2.55
2.50
2.45
60
50
200
350
500
650
800
950
1100
2.40
50
250
450
650
850
1050
LOAD CURRENT (mA)
FIGURE 1. EFFICIENCY vs LOAD CURRENT (V IN = 5.0V)
3
LOAD CURRENT (mA)
FIGURE 2. V OUT vs LOAD CURRENT (V IN = 5V)
FN9254.2
August 4, 2009
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