,IC
,
YF3800
■
YF3800。 1.
8V,。
■
• • • • • • • • :1.
8V15V :5.
5mA, 1μA :1 MHz
NPN,/
■
8 SOP 8 SOP 8 SSOP
(8P-M01)
(8P-M02)
(8P-M03)
YF3800
■
()
–IN
1
8
FB
SCP
2
7
OSC
V CC
3
6
GND
BR/CTL
4
5
OUT
(8P-M01) (8P-M02) (8P-M03)
■
1 2
3 4 5 6 7 8
–IN SCP VCC BR/CTL OUT GND OSC FB
I/O I — — I O — — O SCP
2
YF3800
■
V CC 3
OSC 7
Reference voltage supply
0.
6 V– 0.
1 V–
Sawtooth wave oscillator OUT 5 0.
1 V PWM
1.
25 V –IN 1
–
36 k&
+
0.
5 V FB 8 Error Amp.
500 &
– Comp.
+ +
30 k& Output drive control circuit 0.
3 V
+
DTC 0.
6 V
Soft start SCP
6 GND
2 SCP
4 BR/CTL
(8 pin)
3
YF3800
■
(Ta = +25°C) Rating Parameter Power supply voltage Ou...