QT1103-ISG View Datasheet(PDF) - Quantum Research Group
Part Name
Description
Manufacturer
QT1103-ISG Datasheet PDF : 22 Pages
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KEY 3
KEY 4
KEY 5
KEY 6
KEY 7
KEY 8
KEY 9
Figure 1.2 Connection Diagram - Simplified Mode (32-QFN Package)
Vunreg
RESET IN
LP IN
DETECT OUT
Voltage Reg
VDD
*100nF
*Note: One bypass capacitor to be tightly wired between
Vdd and Vss. Follow regulator manufacturer’s
recommendations for input and output capacitors.
Keep these parts
close to the IC
CS3
RSNS3
CS4
RSNS4
CS5
RSNS5
CS6
RSNS6
SMR
1M
CS7
RSNS7
CS8
RSNS8
CS9
RSNS9
12
SNS3
13
SNS3K
14
SNS4
15
SNS4K
16
SNS5
17 SNS5K
18 SNS6
19
SNS6K
20
SNS7
21 SNS7K
25
SNS8
26 SNS8K
27
SNS9
28 SNS9K
2 /RST
23
SYNC/LP
24 DETECT
3
VDD
Keep these parts
close to the IC
SNS2K 11
CS2
SNS2 10
SNS1K 9
CS1
SNS1 8
SNS0K 7
CS0
SNS0 6
RSNS2
RSNS1
RSNS0
AKS_0
1M
VDD / VSS
KEY 2
KEY 1
KEY 0
QT1103
32-QFN
OSC 4
VDD
Rb1
Rb2
Recommended Rb1, Rb2 Values
With Spread-Spectrum
Vdd Range Rb1 Rb2
2.8 ~ 2.99V 12K 27K
3.0 ~ 3.59V 12K 22K
3.6 ~ 5V 15K 27K
Css
SS 1
No Spread-Spectrum
Vdd Range Rb1 Rb2
2.8 ~ 2.99V 15K dni
3.0 ~ 3.59V 18K dni
3.6 ~ 5V 20K dni
dni = do not install
100K
RX 32
Vdd
100K
1W 31
Vdd
100K
/CHANGE 30
Vdd
N.C. 29
N.C. 5
VSS
2W DATA
DATA
/CHANGE
22
Table 1.6
AKS Resistor Options
Table 1.7
Functions in Simplified
Mode
AKS_0
Vss
Vdd
AKS MODE
Off
On, global
FAST-DETECT
Enabled
Off
SYNC/LP pin
Max on-duration delay
Detect Pin
110ms LP function; sync not available
60 seconds
Push-pull, active high
Suggested regulator manufacturers:
• Toko (XC6215 series)
• Seiko (S817 series)
• BCDSemi (AP2121 series)
Re Figures 1.1 and 1.2 check the following sections for the variable component values:
• Section 3.3, page 12: Cs capacitors (CS)
• Section 3.4, page 12: Sample resistors (RSNS)
• Section 3.5, page 12: Voltage levels
• Section 3.2, page 12: Css capacitor
Lq
7
QT1103_3R0.03_0607
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