![](/html/Micro-Linear/516013/page5.png)
ML4894
VIN
OSCILLATOR tON
ONE SHOT
SQ
RQ
SHOOT-THRU
PROTECTION
SYNCHRONOUS
RECTIFIER
COMPARATOR
VSR
P DRV
7
N DRV
6
-7mV
ISENSE
3
CURRENT
COMPARATOR
Rgm
TRANSCONDUCTANCE
AMPLIFIER
2.5V
VFB
2
CIN
L1
COUT
IL
RSENSE
Figure 1. ML4894 Functional Block Diagram
+
VOUT
–
25
20
15
10
5
0
5
7.5
10
12.5
15
VIN (V)
Figure 2. ON-Time vs. Input Voltage
60
50
40
30
20
10
0
5
7.5
10
12.5
15
VIN (V)
Figure 3. Volt-seconds vs. Input Voltage
5