参数资料
型号: ISL8121IRZ
厂商: Intersil
文件页数: 6/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 24-QFN
标准包装: 75
PWM 型: 电压模式
输出数: 1
频率 - 最大: 2MHz
占空比: 66%
电源电压: 4.9 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-VFQFN 裸露焊盘
包装: 管件
ISL8121
Electrical Specifications
Operating Conditions: V CC = 5V, T J = -40°C to +85°C, unless otherwise specified. Boldface
limits apply over the operating temperature range, -40°C to +85°C. (Continued)
MIN
MAX
PARAMETER
TEST CONDITIONS
(Note 9) TYP (Note 9) UNITS
External Reference DC Offset Range
V REFTRK (DC) offset
-4.5
4.5
mV
ERROR AMPLIFIER AND REMOTE SENSING
DC Gain (Note 7)
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
Maximum Output Voltage
Minimum Output Voltage
R L = 10k to ground
C L = 10pF
C L = 10pF
No load
No load
4.0
80
95
30
0.7
dB
MHz
V/μs
V
V
VSEN+, VSEN- Input Resistance
140
225
k Ω
POWER GOOD
PGD Rising Lower Threshold
PGD Rising Upper Threshold
PGD Threshold Hysteresis
PROTECTION
92
112
2.5
%
%
%
Overcurrent Trip Level
Overvoltage Threshold
Overvoltage Hysteresis
VDIFF Rising
VDIFF Falling
80
103
122
5.5
120
μA
%
%
SWITCHING TIME
UG Rise Time (Note 7)
LG Rise Time (Note 7)
UG Fall Time (Note 7)
LG Fall Time (Note 7)
UG Turn-On Non-overlap (Note 7)
LG Turn-On Non-overlap (Note 7)
t RUG; V VCC = 5V, 3nF Load
t RLG; V VCC = 5V, 3nF Load
t FUG; V VCC = 5V, 3nF Load
t FLG; V VCC = 5V, 3nF Load
t PDHUG ; V VCC = 5V, 3nF Load
t PDHLG ; V VCC = 5V, 3nF Load
8
8
8
4
8
8
ns
ns
ns
ns
ns
ns
OUTPUT
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
100mA Source Current
100mA Sink Current
100mA Source Current
100mA Sink Current
1.0
1.0
1.0
0.4
2.5
2.5
2.5
1.0
Ω
Ω
Ω
Ω
NOTES:
7. Parameter magnitude guaranteed by design.
8. Not a tested parameter; range provided for reference only.
9. 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.
Timing Diagram
t PDHUG
UG
LG
6
t FLG
t RUG
t PDHLG
t FUG
t RLG
FN6352.2
October 27, 2009
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