SC4905AIMSTRT Semtech, SC4905AIMSTRT Datasheet - Page 17

• Manufacturer Part Number: SC4905AIMSTRT
• Description: IC, VOLTAGE MODE PWM CTRL, 12V, MSOP-10
• Manufacturer: Semtech

Specifications of SC4905AIMSTRT

• Input Voltage: 48V
• Output Voltage: 500mV
• Output Current: 1mA
• Frequency: 1MHz
• Power Dissipation Pd: 180mW
• Supply Voltage Range: 0V To 12V
• Digital Ic Case Style: MSOP
• No. Of Pins: 10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER MANAGEMENT
SC4905B Typical Characteristics
2006 Semtech Corp.
3.460
3.410
3.360
3.310
3.260
3.210
3.160
3.110
3.060
5.030
5.025
5.020
5.015
5.010
5.005
5.000
79
78
77
76
75
74
73
72
71
70
-40
-40
-40
-25
-25
-25
-10
Idd (operating) vs. Temperature
Reference vs. Temperature
Iq (start up) vs. Temperature
-10
-10
5
5
5
20
20
20
35
Ta (°C)
35
35
Ta (°C)
Ta (°C)
50
50
50
65
65
65
Reference, Iref = 0mA, Vdd = 5V
Reference, Iref = 5mA, Vdd = 5V
80
80
80
Start up Iq, Vdd = 3V
Idd Active, Vdd = 4V
95
95
95
110
110
110
125
125
125
17
70
60
50
40
30
20
10
209
208
207
206
205
204
203
202
201
200
199
13.00
12.00
11.00
10.00
0
9.00
8.00
7.00
6.00
-40
Current Limit bias current vs. Temperature
-40
-40
-25
-25
Vdd UVLO vs. Temperature
-25
Current Limit vs. Temperature
Current limit rising
-10
-10
-10
5
5
5
20
20
20
35
35
Ta (°C)
Ta (°C)
35
Ta (°C)
50
50
50
SC4905A/B
65
65
65
80
80
Current limit Input current
80
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95
95
Vdd UVLO (Rising)
Vdd UVLO (Falling)
95
110
110
110
125
125
125