参数资料
型号: NCP5383MNR2G
厂商: ON Semiconductor
文件页数: 8/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 24-QFN
产品变化通告: Product Discontinuation 01/Oct/2008
标准包装: 4,000
PWM 型: 控制器
输出数: 1
频率 - 最大: 440kHz
占空比: 100%
电源电压: 4.5 V ~ 13.2 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 24-VFQFN 裸露焊盘
包装: 带卷 (TR)
NCP5383
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated: 0 ° C < T A < 70 ° C; 0 ° C < T J < 125 ° C; 4.5 V < V CC < 13.2 V; F sw = 400 KHz)
Parameter
Test Conditions
Min
Typ
Max
Units
Current Limit
Current Sense Amp to ILIM Gain
20 mV < (Csx - CSxN) < 60 mV
5.7
6.0
6.3
V/V
T A = 25 ° C
ILIM Pin Input Bias Current
ILIM Pin Working Voltage Range
ILIM Input Offset Voltage
V ilim = 2.0 V
0.3
-50
0.1
1.0
2.0
50
m A
V
mV
Undervoltage Protection
UVLO Start Threshold
UVLO Stop Threshold
V CC = 12 V
8.2
7.2
9.0
8.0
9.5
8.5
V
UVLO Hysteresis
1.0
V
UVLO
V CCP = 5 V
3.7
4.0
4.3
V
Hysteresis
Power Good
0.5
V
Output Saturation Voltage
Rise Time
I PG = 10 mA, V CC = 12 Vdc
External pull-up of 1 K W to 1.25 V,
0.4
150
V
ns
C TOT = 45 pF,
D V O = 10% to 90%
Output Voltage at Power-up
External PG pull-up resistor of 2 K W to 5 V
1.0
V
t R_VCC ≤ 3 x t R_5V ,
100 m s ≤ t R_VCC ≤ 20 ms
High – Output Leakage Current
Upper Threshold Voltage
Lower Threshold Voltage
PG = 5.5 V via 1 K
125
75
0.1
m A
% of V FB
% of V FB
Rising Delay
Falling Delay
V CORE increasing
V CORE decreasing
0.3
1.40
5
2
ms
m s
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