参数资料
型号: NCP1530DM25R2
厂商: ON Semiconductor
文件页数: 4/16页
文件大小: 0K
描述: IC REG BUCK 2.5V 0.6A MICRO8
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 4,000
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 2.5V
输入电压: 3.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 600kHz
电流 - 输出: 600mA
同步整流器:
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: Micro8?
NCP1530
ELECTRICAL CHARACTERISTICS (V IN = V R + 1.0 V, test circuit, refer to Figure 1, C SS = NC and C VREF = 1.0 m F, T A = 25 ° C for
typical value, 0 ° C T A 85 ° C for min/max values unless otherwise noted.) *V R is the factory?programmed output voltage setting.
Input Voltage
Characteristic
Symbol
V IN
Min
1.1 V R
Typ
?
Max
5.0
Unit
V
Output Voltage (I load = 150 mA, V R + 1.0 V < V IN < 5.0 V) (Note 4)
V OUT
V
NCP1530DM25R2
NCP1530DM27R2
NCP1530DM30R2
NCP1530DM33R2
2.425
2.619
2.910
3.201
2.5
2.7
3.0
3.3
2.575
2.781
3.090
3.399
Maximum Output Current (V IN = 5.0 V, V OUT = 3.0 V) (Note 5)
Supply Current (V IN = V R + 1.0 V, No Load, EN and SYN Pins NC)
Shutdown Supply Current (V IN = 5.0 V, No Load, V EN = 0 V)
LX Pin Leakage Current (No Load, V EN = 0 V)
Internal P?FET ON Resistance at LX Pin
I OUT(max)
I IN
I SHDN
I LX
R DS(ON)
600
?
?
?
?
?
45
0.5
?
0.3
?
95
1.0
1.0
0.5
mA
m A
m A
m A
W
(V IN = V R + 1.0 V, I Load = 150 mA)
Oscillator Frequency
f OSC
480
600
720
kHz
(V IN = V EN = V R + 1.0 V, I Load = 100 mA, SYN Pin NC)
Maximum PWM Duty Cycle (Note 5)
D MAX?PWM
?
?
100
%
PFM to PWM Switch?Over Current Threshold
(V IN = 4.5 V, SYN Pin NC, L = 5.6 m H, C OUT = 22 m F) (Note 5)
I PFM?PWM
mA
NCP1530DM25R2
NCP1530DM27R2
NCP1530DM30R2
NCP1530DM33R2
PWM to PFM Switch?Over Current Threshold
(V IN = 4.5 V, SYN Pin NC, L = 5.6 m H, C OUT = 22 m F) (Note 5)
NCP1530DM25R2
NCP1530DM27R2
NCP1530DM30R2
NCP1530DM33R2
I PWM?PFM
?
?
?
?
?
?
?
?
83
90
100
102
27
38
39
48
?
?
?
?
?
?
?
?
mA
Input Undervoltage Lockout Threshold
Reference Voltage (V IN = V R + 1.0 V, C VREF = 1.0 m F)
Reference Voltage Temperature Coefficient
(V IN = V R + 1.0 V, C VREF = 1.0 m F) (Note 5)
Reference Voltage Load Current
(V IN = V R + 1.0 V, C VREF = 1.0 m F) (Note 6)
Enable Logic High Threshold Voltage (V IN = V R + 1.0 V, I Load = 0 mA)
Enable Logic Low Threshold Voltage (V IN = V R + 1.0 V, I Load = 0 mA)
PWM Minimum On?Time (Note 5)
PWM OV Protection Level
PWM Cycle?by?Cycle Current Limit (Note 5)
Built?in Soft?Start Time (V OUT = 3.0 V, SS Pin NC) (Note 5)
Thermal Shutdown Threshold (V IN = 3.5 V, I Load = 0 mA) (Note 5)
Thermal Shutdown Hysteresis (V IN = 3.5 V, I Load = 0 mA) (Note 5)
V UVLO
V REF
TC VREF
I VREF
V EN?H
V EN?L
t PWM?ON
%V OV
I LIM
t SS
TH SHD
TH HSYS
?
1.184
?
5.0
?
0.5
?
?
?
?
?
?
2.0
1.20
0.03
?
1.5
1.2
100
6.0
1.5
500
145
15
2.45
1.216
?
?
1.85
?
?
12
?
?
?
?
V
V
mV/ ° C
mA
V
V
ns
%
A
m s
° C
° C
4. Tested at V IN = V R + 1.0 V in production only. Full V IN range guaranteed by design.
5. Parameter guaranteed by design only, not tested in production.
6. Loading capability decreases with V OUT decreases.
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