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SC4905AIMSTRT Datasheet(PDF) 18 Page - Semtech Corporation

Part # SC4905AIMSTRT
Description  High Performance Voltage Mode PWM Controller
PDF  24 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4905AIMSTRT Datasheet(HTML) 18 Page - Semtech Corporation

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SC4905A/B
POWER MANAGEMENT
 2006 Semtech Corp.
www.semtech.com
18
200
400
600
800
1000
1200
1400
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Oscillator Frequency 1MHz
Oscillator Frequency 300kHz
100.9
101.0
101.1
101.2
101.3
101.4
101.5
101.6
101.7
101.8
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
LUVLO (Hysteresis)
SC4905B Typical Characteristics (Cont.)
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
3.580
3.600
3.620
3.640
3.660
3.680
3.700
3.720
3.740
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
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
50
65
80
95
110
125
Ta (°C)
LUVLO (Rising)
LUVLO (falling)
60
80
100
120
140
160
180
200
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Input Bias current IFF
80
100
120
140
160
180
200
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Input leakage current Irc



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