参数资料
型号: NCV890100PDR2G
厂商: ON Semiconductor
文件页数: 6/16页
文件大小: 0K
描述: IC REG BUCK ADJ 1.2A 8-SOICEP
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: 可调至 0.8V
输入电压: 4.5 V ~ 36 V
PWM 型: 电流模式
频率 - 开关: 2MHz
电流 - 输出: 1.2A
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: 8-SOIC(0.154",3.90mm Width)裸露焊盘
包装: 标准包装
供应商设备封装: 8-SOIC-EP
其它名称: NCV890100PDR2GOSDKR
NCV890100
ELECTRICAL CHARACTERISTICS (V IN = 4.5 V to 28 V, V EN = 5 V, V BST = V SW + 3.0 V, C DRV = 0.1 m F, Min/Max values are valid
for the temperature range ? 40 ° C ≤ T J ≤ 150 ° C unless noted otherwise, and are guaranteed by test, design or statistical correlation.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
QUIESCENT CURRENT
Quiescent Current, shutdown
Quiescent Current, enabled
I qSD
I qEN
V IN = 13.2 V, V EN = 0 V, T J = 25 ° C
V IN = 13.2 V
5
3
m A
mA
UNDERVOLTAGE LOCKOUT ? VIN (UVLO)
UVLO Start Threshold
UVLO Stop Threshold
UVLO Hysteresis
V UVLSTT
V UVLSTP
V UVLOHY
V IN rising
V IN falling
4.1
3.9
0.1
4.5
4.4
0.2
V
V
V
ENABLE (EN)
Logic Low
Logic High
V ENLO
V ENHI
0.8
2
V
V
Input Current
I EN
8
30
m A
SOFT ? START (SS)
Soft ? Start Completion Time
t SS
0.8
1.4
2.0
ms
VOLTAGE REFERENCE
FB Pin Voltage during regulation
V FBR
COMP shorted to FB
0.786
0.8
0.814
V
ERROR AMPLIFIER
FB Bias Current
I FBBIAS
V FB = 0.8 V
0.25
1
m A
Transconductance
g m
g m(HV)
V COMP = 1.3 V
4.5 V < V IN < 18 V
20 V < V IN < 28 V
0.6
0.3
1
0.5
1.5
0.75
mmho
Output Resistance
R OUT
1.4
M W
COMP Source Current Limit
COMP Sink Current Limit
I SOURCE
I SINK
V FB = 0.63 V, V COMP = 1.3 V
4.5 V < V IN < 18 V
20 V < V IN < 28 V
V FB = 0.97 V, V COMP = 1.3 V
4.5 V < V IN < 18 V
20 V < V IN < 28 V
75
40
75
40
m A
m A
Minimum COMP voltage
V CMPMIN
V FB = 0.97 V
0.2
0.7
V
OSCILLATOR
Frequency
F SW
F SW(HV)
4.5 < V IN < 18 V
20 V < V IN < 28 V
1.8
0.9
2.0
1.0
2.2
1.1
MHz
VIN FREQUENCY FOLDBACK MONITOR
Frequency Foldback Threshold
V IN rising
V IN falling
V FLDUP
V FLDDN
V FB = 0.63 V
18.4
18
20
19.8
V
Frequency Foldback Hysteresis
V FLDHY
0.2
0.3
0.4
V
SLOPE COMPENSATION
Ramp Slope (Note 1)
(With respect to switch current)
S ramp
S ramp(HV)
4.5 < V IN < 18 V
20 V < V IN < 28 V
0.7
0.25
1.3
0.6
A/ m s
1. Not tested in production. Limits are guaranteed by design.
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