AT1397A Datasheet, PDF (2/21 Pages) Aimtron Technology – 6-Channel DC-DC Converter for DSC

Block Diagram
AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
COMP1
FB1
SS1
CTL1
COMP2
FB2
SS2
/SDOK
CTL2
COMP3
FB3
SS3
CTL3
COMP4
IN4
IP4
SS4
CTL4
FB5H
COMP5
FB5
SS5
CTL5
COMP6
FB6
SS6
CTL6
CT
-
0.8V
+
SS1OK
Ramp1
-
+
0.8V
-
-
+
SS1OK
-
-
+
Power
Good
Ramp2
Step-
Down
Pre-
Driver
Current
Sense
Step-
Down
Pre-
Driver
Current
Sense
-
+
0.8V
SS1OK
+
+
-
OSC1
Step-
Down
Pre-
Driver
-
+
VREF
0.8V
-
+
OSC2
1V
OSC1
-
+
SS1OK
+
+
-
+
-
SS1OK
+
+
-
SS1OK
+
+
-
Step-
Up/
Down
Pre-
Driver
*Selectable P-ch or N-ch
driver for step-down/up/
inverting converter
OVP
Step-
Up
Pre-
Driver
*Metal Option
LED Driver (VREF=0.2V)
or Step-Up(VREF=0.8V)
Step-
Up
Pre-
Driver
OSC2
OSC1 OSC2
Ramp1 Ramp2
SCP3 SCP4 SCP5 SCP6 OVP
OSC
CTLU
VBGEN
Ramp
Gen
0.8V
2V
VRGEN
1.22V
Short-Circuit
Protection
LDO
2.3V
UVLO
VBG
VREG
PVCC1
LX1
PGND1
PVCC2
LX2
PGND2
PVCC3
OUT3S
OUT3M
PGND3
SEL4
PVCC4
OUT4
OUT5
OUT6
CSCP
VCC
GND
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
1/10/2006 REV:1.0
Email: [e-mail]
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