PSR-S710/PSR-S910
36
1
2
3
4
1
2
3
4
8
7
6
5
8
7
6
5
CTALA
FLAGB
CTALB
OUTA
VDD
GND
OUTB
FLAGA
CTALA
FLAGB
CTALB
FLAGA
OUTA
VDD
GND
OUTB
Thermal
Shutdown
Oscillator
Control
Logic
Over
Current
Detector
Over
Current
Detector
Charge
Pump
Control
Logic
Charge
Pump
1
4
CTRLA
CTRLB
Control input
Error flag output
Switch output
Switch input
Ground
FLAGA
FLAGB
OUTB
OUTA
GND
VDD
2
3
5
8
6
7
Pin Name
Pin No.
Pin Function
BD6516F-E2
(X7950A00)
DML: IC22 (PSR-S710)
DMH: IC33 (PSR-S910)
High Side Switch
+
-
S
R
Q
Q2
Q1
Comparator
Ipk Oscillator
1.25V
Reference
Regulator
8
Drive
Collector
7
Ipk Sense
6
5
Vcc
Comparator
Inverting
Input
1 Switch
Collector
2
3
Switch
Emitter
Timing
Capacitor
4 GND
SC11701
MC34063EBD-TR
(X7371A00)
DC-DC Converter Control Circuit
1
2
3
4
8
7
6
5
SWC
SWE
TC
GND
DRC
Ipk
Vcc
Cll
DS90LV012ATMF
(X6789A0R)
3V LVDS Single CMOS Differential Line Receiver
DS90LV011ATMF
(X6788A0R)
3V LVDS Single High Speed Differential Driver
1
5
2
3
4
GND
V
DD
IN
−
TTL OUT
IN +
R
1
5
2
3
4
GND
V
DD
OUT +
TTL IN
OUT
−
D