Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- PACKAGE SPECIFICATIONS
- ELECTRICAL CHARACTERISTICS
- ELECTRICAL CHARACTERISTICS
- PTV12010W Characteristic Data; 1.2 V to 5.5 VThe electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the converter. Applies to , , and .The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum operating temperatures. Derating limits apply to modules soldered directly to a 100 mm x 100 mm double-sided PCB with 2 oz. copper. Applies to , , and .
- PTV12010L Characteristic Data; 0.8 V to 1.8 VThe electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the converter. Applies to , , and .The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum operating temperatures. Derating limits apply to modules soldered directly to a 100 mm x 100 mm double-sided PCB with 2 oz. copper. Applies to .
- DEVICE INFORMATION
- APPLICATION INFORMATION
- Features of the PTH Family of Non-Isolated Wide Output Adjust Power Modules
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Up
Dn
Sense
V =12V
I
ASIC
VCORE
VCCI O
I 2
O
PTH12010L
1
10
4
5
62
3
9
Tra ck
GND
Inhibit
7
Vadj
Sense
+
V 1=3.3V
O
V 2=1.8V
O
R1
2kW
R5
10k0
R4
100kW
R3
11k0
R1
130 W
C2
330 Fm
C4
330 Fm
C6
0.68 Fm
C5
0.1 Fm
C3
330 Fm
C1
330 Fm
+
+
PTH12020W
7
10
4
5
62
3
9
Tra ck
V
I
V
I
V
O
V
O
GND
Inhibit
1
Adjust
+
TL7702B
V
CC
GND
SENSE
RESIN
REF
CT
RESET
RESET
8
7
2
1
3
5
6
4
+
8
8
PTV12010L
PTV12010W
SLTS234B – DECEMBER 2004 – REVISED FEBRUARY 2007
Figure 18. Application Circuit Demonstrating Prebias Startup
Notes:
1. Output prebias holdoff is an inherent feature to all PTH120x0L and PTV120x0W/L modules. It has now
been incorporated into all modules (including W-suffix modules with part numbers of the form
PTH120x0W), with a production lot date code of 0423 or later.
2. The prebias start-up feature is not compatible with Auto-Track. If the rise in the output is limited by the
voltage applied to the Track control pin, the output sinks current during the period that the track control
voltage is below that of the back-feeding source. For this reason, it is recommended that Auto-Track be
disabled when not being used. This is accomplished by connecting the Track pin to the input voltage, V
I
.
This raises the Track pin voltage well above the set-point voltage prior to the module’s start up, thereby,
defeating the Auto-Track feature.
3. To further ensure that the regulator's output does not sink current when power is first applied (even with a
ground signal applied to the Inhibit control pin), the input voltage must always be greater than the applied
prebias source. This condition must exist throughout the power-up sequence of the power system.
18
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