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参数资料
| 型号： | ISL8024IRTAJZ-T7A |
| 厂商： | Intersil |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 16TQFN |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 490kHz ~ 4.2MHz |
| 电流 - 输出： | 4A |
| 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： | 16-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 其它名称： | ISL8024IRTAJZ-T7ADKR |
ISL8023, ISL8024
Electrical Specifications
Unless otherwise noted, all parameter limits are established over the recommended operating conditions and
the typical specification are measured at the following conditions: T A = -40°C to +85°C, V IN = 3.6V, EN = V IN , unless otherwise noted. Typical values are
at T A = +25°C. 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
COMPENSATION
Error Amplifier Trans-Conductance
FS = VIN
FS with Resistor
80
150
μA/V
μA/V
Trans-Resistance
RT
0.15
0.2
0.25
?
PHASE
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
V IN = 5V, I O = 200mA
V IN = 2.7V, I O = 200mA
V IN = 5V, I O = 200mA
V IN = 2.7V, I O = 200mA
35
50
12
20
45
70
19
28
55
90
25
37
m ?
m ?
m ?
m ?
PHASE Maximum Duty Cycle
100
%
PHASE Minimum On-Time
SYNC = High
140
ns
OSCILLATOR
Nominal Switching Frequency
Fsw
FS = VIN
800
1000
1200
kHz
FS with RS = 402k ?
FS with RS = 42.2k ?
490
4200
kHz
kHz
SYNC Logic Low to High Transition Range
SYNC Hysteresis
SYNC Logic Input Leakage Current
V IN = 3.6V
0.70
0.75
0.15
3.6
0.80
5
V
V
μA
PG
Output Low Voltage
0.3
V
Delay Time (Rising Edge)
PG Pin Leakage Current
OVP PG Rising Threshold
UVP PG Rising Threshold
UVP PG Hysteresis
PGOOD Delay Time (Falling Edge)
0.5
80
1
0.01
0.80
85
5
15
2
0.1
90
ms
μA
V
%
%
μs
EN
Logic Input Low
Logic Input High
0.9
0.4
V
V
EN Logic Input Leakage Current
Thermal Shutdown
Thermal Shutdown Hysteresis
0.1
150
25
1
μA
°C
°C
NOTE:
6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
7
FN7812.3
March 24, 2014
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