参数资料
型号: NCP1595AMNTWG
厂商: ON Semiconductor
文件页数: 4/13页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1.5A 6DFN
标准包装: 3,000
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 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-VDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 6-DFN(3x3)
NCP1595, NCP1595A, NCP1595C
ELECTRICAL CHARACTERISTICS
(V in = 4.0 V ? 5.5 V, V out = 1.2 V, T J = +25 ° C for typical value; For NCP1595, NCP1595A: ? 40 ° C < T A < 125 ° C; For NCP1595C: ? 40 ° C
< T A < 85 ° C for min/max values unless noted otherwise)
Parameter
V in Input Voltage Range (Note 2)
V CC UVLO Threshold
Symbol
V in
Test Conditions
Min
4.0
3.2
Typ
3.5
Max
5.5
3.8
Unit
V
V
UVLO Hysteresis
335
mV
V CC Quiescent Current
V CCP Quiescent Current
V in Shutdown Supply Current (Note 3)
I inVCC
I inVCCP
I QSHDN
V in = 5 V,V FB = 1.5 V,
(No Switching)
V in = 5 V,V FB = 1.5 V,
(No Switching)
(NCP1595A), EN = 0 V
1.7
25
1.8
2.0
3.0
mA
m A
m A
FEEDBACK VOLTAGE
Reference Voltage
Feedback Input Bias Current (Note 2)
Feedback Voltage Line Regulation (Note 3)
V FB
I FB
V FB = 0.8 V
V in = 4.0 V to 5.5 V
0.788
0.800
10
0.06
0.812
100
V
n A
%/V
PWM
Maximum Controllable Duty Cycle (regulating)
Minimum Controllable ON Time (Note 3)
82
85
50
%
ns
PULSE ? BY ? PULSE CURRENT LIMIT
Pulse ? by ? Pulse Current Limit (Regulation)
Pulse ? by ? Pulse Current Limit (Soft ? Start)
I LIM
I LIMSS
2.7
4.0
3.9
5.3
4.3
6.1
A
A
OSCILLATOR
Oscillator Frequency
F SW
0.87
1.0
1.13
MHz
MOSFET
High Side MOSFET ON Resistance (Note 2)
High Side MOSFET Leakage (Note 3)
Low Side MOSFET ON Resistance (Note 2)
Low Side MOSFET Leakage (Note 3)
R DS(on)
HS
R DS(on)
LS
I DS = 100 mA, V GS = 5 V
V EN = 0 V, V SW = 0 V
I DS = 100 mA, V GS = 5 V
V EN = 0 V, V SW = 5 V
140
90
200
10
125
10
m W
m A
m W
m A
ENABLE (NCP1595A)
EN HI Threshold
EN LO Threshold
EN Hysteresis
ENHI
ENLO
(NCP1595A)
(NCP1595A)
(NCP1595A)
1.4
200
0.4
V
V
mV
EN Pullup Current
(NCP1595A)
1.4
3.0
m A
SOFT ? START
Soft ? Start Ramp Time (Note 3)
Hiccup Timer (Note 3)
t SS
F SW = 1 MHz
1.0
2.0
ms
ms
THERMAL SHUTDOWN
Thermal Shutdown Threshold (Note 3)
Thermal Shutdown Hysteresis (Note 3)
185
40
° C
° C
2. Guaranteed by characterization. Not production tested.
3. Guaranteed by design. Not production tested.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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