参数资料
型号: ISL8088EVAL1Z
厂商: Intersil
文件页数: 5/18页
文件大小: 0K
描述: EVAL BOARD 1 FOR ISL8088
标准包装: 1
系列: *
ISL8088
Electrical Specifications Unless otherwise noted, all parameter limits are established over the recommended operating conditions:
T A = -40°C to +85°C, V IN = 2.75V to 5.5V, EN1 = EN2 = V IN , SYNC = 0V, L = 2.2μH, C1 = 10μF, C2 = C4 = 10μF, IOUT1 = IOUT2 = 0A to 800mA. (Typical
values are at T A = +25°C, V IN = 3.6V). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
LX_ Maximum Duty Cycle
100
%
PWM Switching Frequency
Synchronization Range
LX Minimum On-Time
F S
SYNC = 0 (forced PWM mode)
1.8
2.7
2.25
2.7
4
100
MHz
MHz
ns
Soft Discharge Resistance
R DIS_
EN = LOW
80
100
130
?
PG
Output Low Voltage
PG Pull-up Resistor
Sinking 1mA, VFB = 0.5V
1
0.3
V
M ?
Internal P GOOD Low Rising Threshold
Internal P GOOD Low Falling Threshold
Percentage of nominal regulation voltage
Percentage of nominal regulation voltage
88
82
92
89
96
91
%
%
Delay Time (Rising Edge)
1
ms
Internal P GOOD Delay Time (Falling Edge)
1
2
μs
EN1, EN2, SYNC
Logic Input Low
Logic Input High
1.4
0.4
V
V
SYNC Logic Input Leakage Current
Enable Logic Input Leakage Current
I SYNC
I EN_
Pulled up to 5.5V
0.1
0.1
1
1
μA
μA
Thermal Shutdown
Thermal Shutdown Hysteresis
150
25
°C
°C
NOTE:
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.
5
FN6858.2
May 26, 2011
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