Philips DVD963SA manual IC Data, Diagram Power Supply TY72011P2 item

Circuit Descriptions and List of Abbreviations DVD963SA 9. EN 87

9.9IC Data

In this paragraph, the internal block diagrams and pinning are given of ICs that are drawn as 'black box' in the electrical diagrams (with the exception of 'memory' and 'logic' ICs).

9.9.1Diagram Power Supply: TY72011P2 (item 7130

						Vcc pin13
			Startup
HV	1	Over Voltage			UVLOh = 15V		14
		Protection (Vcc > 41V?)			UVLOl = 7.2V
			Internal Vcc
NC	2	Last pulse of	Internal regulator				13	Vcc
		demag after 4µs
Demag	3	DEMAG ?			Internal Clamp		12	DRV
		Rf
		Verr max = 3V
		Verr min = 10mV		Clock
FB		Ri	OVP	R Flip-Flop Q				Isense
	4						11
		1/3
		2.5V		D	Driver
Ct			Current comparator					Gnd
	5						10
		Over Current
		Protection (OCP)	250mV - 1V max setpoint		200ns L.E.B
		V(-) < 1.5V				Vcc pin8
OVP								NC
	6		1V				9
			250mV clamp				4x10V zener
				VCO Feedback
			Verr	Toff = f (Verr)	OVP
NC	7	More than 128ms?		Max Toff = f (Ct)		500	8	NC
		--> protection circuitry				60mV
			20k

Figure 9-14 Block Diagram

HV 1

nc 2

Demag 3

FB 4

Ct 5 OVP 6

nc 7

14nc

13Vcc

12Drive

11Isense

10GND

9nc

8nc

PIN CONNECTIONS

Figure 9-15 Pinning