参数资料
型号: ISL8011EVAL1Z
厂商: Intersil
文件页数: 3/10页
文件大小: 0K
描述: EVALUATION BOARD FOR ISL8011
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.6V
电流 - 输出: 1.2A
输入电压: 2.7 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1.5MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ISL8011
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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