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PDF HV9112 Data sheet ( Hoja de datos )
| Número de pieza | HV9112 | |
| Descripción | High-Voltage Current-Mode PWM Controller | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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HV9110
HV9112
HV9113
High-Voltage Current-Mode PWM Controller
Ordering Information
+VIN
Min Max
10V 120V
9.0V 80V
10V 120V
Feedback
Max
Accuracy Duty Cycle
< ± 1%
± 2%
< ± 1%
49%
49%
99%
14 Pin
Plastic DIP
HV9110P
HV9112P
HV9113P
Standard temperature range for all parts is industrial (-40° to +85°C).
Features
20 Pin
Plastic PLCC
HV9110PJ
HV9112PJ
HV9113PJ
Package Options
14 Pin
Narrow Body SOIC
HV9110NG
HV9112NG
HV9113NG
Die
HV9110X
HV9112X
HV9113X
General Description
❏ 10 to 120V input range
❏ Current-mode control
❏ High efficiency
❏ Up to 1.0MHz internal oscillator
❏ Internal start-up circuit
❏ Low internal noise
Applications
❏ DC/DC converters
❏ Distributed power systems
❏ ISDN equipment
❏ PBX systems
❏ Modems
Absolute Maximum Ratings
The Supertex HV9110 through HV9113 are a series of BiCMOS/
DMOS single-output, pulse width modulator ICs intended for use
in high-speed high-efficiency switchmode power supplies. They
provide all the functions necessary to implement a single-switch
current-mode PWM, in any topology, with a minimum of external
parts.
Because they utilize Supertex’s proprietary BiCMOS/DMOS tech-
nology, they require less than one tenth of the operating power of
conventional bipolar PWM ICs, and can operate at more than
twice their switching frequency. Dynamic range for regulation is
also increased, to approximately 8 times that of similar bipolar
parts. They start directly from any DC input voltages between 10
and 120VDC, requiring no external power resistor. The output
stage is push-pull CMOS and thus requires no clamping diodes
for protection, even when significant lead length exists between
the output and the external MOSFET. The clock frequency is set
with a single external resistor.
Accessory functions are included to permit fast remote shutdown
(latching or nonlatching) and undervoltage shutdown.
For similar ICs intended to operate directly from up to 450VDC
input, please consult the data sheet for the HV9120/9123.
+VIN, Input Voltage
HV9110/9113
HV9112
120V
80V
VDD, Logic Voltage
Logic Linear Input, FB and
Sense Input Voltage
Storage Temperature
Power Dissipation, SOIC
Power Dissipation, Plastic DIP
Power Dissipation PLCC
15.5V
-0.3V to VDD+0.3V
-65°C to 150°C
750mW
1000mW
1400mW
For detailed circuit and application information, please refer
to application notes AN-H13 and AN-H21 to AN-H24.
11/12/01
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
Supertex website: http://www.supertex.com. For complete liability information on all Supertex prod1ucts, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
1 page  
Typical Performance Curves
Fig. 1
Error Amplifier Output Impedance (Z0)
106
105
104
103
102
10
1
Fig. 2
.1
100Hz
1KHz
10KHz 100KHz
Frequency
1MHz
10MHz
PSRR — Error Amplifier and Reference
0
-10
-20
-30
-40
-50
-60
-70
-80
10
100 1K
10K 100K
Frequency (Hz)
1M
Fig. 3 100
HV9110/HV9112/HV9113
Fig. 4
1M
Output Switching Frequency
vs. Oscillator Resistance
HV9110, 9111, 9112
100k
HV9113
10k
10k
Fig. 5
80
70
60
50
40
30
20
10
0
-10
100
100 k
ROSC (Ω)
Error Amplifier
Open Loop Gain/Phase
1M
180
120
60
0
-60
-120
-180
1K 10K 100K
Frequency (Hz)
1M
Fig. 6 104
RDISCHARGE vs. tOFF (9113 only)
VDD = 12V
VDD = 10V
10
1
105 106 107
Bias Resistance (Ω)
5
ROSC = 100K
103
ROSC = 10K
ROSC = 1K
102
10-1 100 101 102 103 104 105 106
RDISCHARGE (Ω)
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV9112.PDF ] | |
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