參數(shù)資料
型號(hào): SC4905B
廠商: Semtech Corporation
英文描述: High Performance Voltage Mode PWM Controller
中文描述: 高性能電壓模式PWM控制器
文件頁(yè)數(shù): 15/24頁(yè)
文件大?。?/td> 378K
代理商: SC4905B
SC4905A/B
POWER MANAGEMENT
SC4905A Typical Characteristics (Cont.)
2006 Semtech Corp.
www.semtech.com
15
60
80
100
120
140
160
180
200
220
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
I
Input Bias current IFF
103.1
103.1
103.2
103.2
103.3
103.3
103.4
103.4
103.5
103.5
103.6
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
L
LUVLO (Hysteresis)
Vdd UVLO Hysteresis vs. Temperature
Line UVLO vs. Temperature
Line UVLO Hysteresis vs. Temperature
Vff pin leakage current vs. Temperature
Oscillator Frequency vs. Temperature
RC pin leakage current vs. Temperature
0.170
0.180
0.190
0.200
0.210
0.220
0.230
0.240
0.250
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
V
Vdd UVLO (Hysteresis)
1.080
1.100
1.120
1.140
1.160
1.180
1.200
1.220
1.240
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
L
LUVLO (Rising)
LUVLO (falling)
200
400
600
800
1000
1200
1400
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
O
Oscillator Frequency 1MHz
Oscillator Frequency 300kHz
80
100
120
140
160
180
200
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
I
Input leakage current Irc
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