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，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.
YF3800 Datasheet
