参数资料
型号: NCP1599GEVB
厂商: ON Semiconductor
文件页数: 5/15页
文件大小: 0K
描述: BOARD EVALUATION NCP1599
设计资源: NCP1599GEVB BOM
NCP1599GEVB Schematic
NCP1599GEVB Gerber Files
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 最低可调至 0.8V
电流 - 输出: 3A
输入电压: 3 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP1599
其它名称: NCP1599GEVBOS
NCP1599
ELECTRICAL CHARACTERISTICS (V in = 3.0 V ? 5.5 V, V out = 1.2 V, T J = +25 ° C for typical value; ? 40 ° C < T J < +125 ° C for
min/max values unless noted otherwise)
Parameter
V in Input Voltage Range
V CC UVLO Threshold
Symbol
V in
Test Conditions
Min
3.0
2.3
Typ
2.75
Max
5.5
2.99
Unit
V
V
UVLO Hysteresis
500
mV
V CC Quiescent Current
V CCP Quiescent Current
I inVCC
I inVCCP
V in = 5.0 V, V FB = 1.5 V, (No Switching)
V in = 5.0 V,V FB = 1.5 V, (No Switching)
1.8
39
2.2
mA
m A
FEEDBACK VOLTAGE
Reference Voltage
Feedback Input Bias Current
V FB
I FB
V FB = V COMP
V FB = 0.8 V
0.788
0.800
10
0.812
100
V
n A
Feedback Voltage Line Regulation
V FB = V COMP , V in = 2.7 V to 6.0 V
0.03
%/V
GM AMPLIFIER
Gm Amp Open Loop Voltage Gain
(Note 3)
AV gm
55
dB
Gm Amp Transconductance (Note 3)
gm COMP
V FB > 0.75 V, D I COMP = $ 10 m A
1000
m A/V
PWM
Maximum Duty Cycle (Regulating)
Minimum Controllable ON Time (Note 3)
CURRENT SENSE AMPLIFIER
82
50
%
ns
Current Sense to COMP
Transconductance (Note 3)
gm POWER
5.0
A/V
PULSE ? BY ? PULSE CURRENT LIMIT
Pulse ? by ? Pulse Current Limit (Note 4)
Pulse ? by ? Pulse Current Limit
(Soft ? Start) (Note 4)
I LIM
I LIMSS
V in = 4.0 V ? 5.5 V
V in = 4.0 V ? 5.5 V
3.83
4.12
4.18
4.40
4.54
4.72
A
A
OSCILLATOR
Oscillator Frequency
F SW
0.87
1.0
1.13
MHz
MOSFET
High Side MOSFET ON Resistance
High Side MOSFET Leakage (Note 3)
Low Side MOSFET ON Resistance
Low Side MOSFET Leakage (Note 3)
R DS(on)
HS
R DS(on)
LS
I DS = 100 mA, V GS = 5 V
V SW = 0 V
I DS = 100 mA, V GS = 5 V
V SW = 5 V
140
90
175
10
100
10
m W
m A
m W
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
Thermal Shutdown Hysteresis
3. Guaranteed by design.
4. Current limit operation not guaranteed below V in = 4.0 V.
http://onsemi.com
5
170
40
° C
° C
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