tk11859f Toko Inc., tk11859f Datasheet - Page 8

• Manufacturer Part Number: tk11859f
• Description: ??LED???? ???DC-DC??????IC????
• Manufacturer: Toko Inc.

Supply Current vs. EN Input Voltage
Maximum Duty vs. Temperature
Current Limit vs. Supply Voltage
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
95
90
85
80
75
70
65
60
55
50
V
-30
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
IN
0
V
=V
IN
2
EN
=V
-10
V
=3V, V
4
EN
IN
Temperature (ºC)
EN Input Voltage (V)
Supply Voltage (V)
, V
=3V, V
6
10
FB
8
FB
=0V, T
=0V, I
30
10 12 14 16 18 20
FB
=1V
A
50
SW
=25ºC
=10mA
T
T
T
A
A
A
70
=-20ºC
=25ºC
=85ºC
90
GC3-N015
Switch Saturation Voltage vs. Switch Current
EN Input Bias Current vs. En Input Voltage
Current Limit vs. Temperature
300
250
200
150
100
250
225
200
175
150
125
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
50
75
50
25
0
0
V
0
0
-30
IN
=V
2
V
40
-10
EN
IN
4
V
=V
=3V, V
IN
Switch Current (mA)
EN Input Voltage (V)
Temperature (ºC)
6
=3V, V
80
EN
10
=3V, V
8
FB
120
10
=0V, T
30
FB
=1V
12
FB
160
=0V
50
14
A
T
T
T
=25ºC
A
A
A
16
=-20ºC
=25ºC
=85ºC
200
70
18
TK11859F
240
20
90
Page 8