参数资料
型号: ISL78214ARZ
厂商: Intersil
文件页数: 5/15页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 16QFN
标准包装: 75
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: 2.8 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-VQFN 裸露焊盘
包装: 管件
供应商设备封装: 16-QFN(4x4)
ISL78214
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 unless otherwise noted: T A = -40°C to +105°C, V IN = 3.6V, EN = VDD. Typical values are
at T A = +25°C. Boldface limits apply over the operating temperature range, -40°C to +105°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 7)
TYP
(Note 7)
UNITS
LX
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
V IN = 5V, I O = 200mA
V IN = 2.8V, I O = 200mA
V IN = 5V, I O = 200mA
-
-
-
50
70
50
75
100
75
m Ω
m Ω
m Ω
LX Maximum Duty Cycle
V IN = 2.8V, I O = 200mA
-
-
70
100
100
-
m Ω
%
PWM Switching Frequency
LX Minimum On-Time
f S
SYNCH = High
0.80
-
1.0
-
1.20
140
MHz
ns
PG
Output Low Voltage
Delay Time (Rising Edge)
PG Pin Leakage Current
PGOOD Rising Threshold
PGOOD Falling Threshold
PGOOD Delay Time (Falling Edge)
Sinking 1mA
PG = V IN = 3.6V
Percentage of regulation voltage
Percentage of regulation voltage
-
0.65
-
89
85
-
-
1
0.01
92
88
15
0.3
1.35
2
95
91
-
V
ms
μA
%
%
μs
EN, SYNCH
Logic Input Low
Logic Input High
-
1.4
-
-
0.4
-
V
V
Synch Logic Input Leakage Current
Enable Logic Input Leakage Current
Thermal Shutdown
Thermal Shutdown Hysteresis
I SYNCH
I EN
Pulled up to 5.5V
-
-
-
-
0.1
0.1
140
25
4
4
-
-
μA
μA
°C
°C
NOTES:
6. Limits established by characterization and are not production tested.
7. 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
FN7551.1
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