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PDF HV101DB1 Data sheet ( Hoja de datos )
| Número de pieza | HV101DB1 | |
| Descripción | 3-Pin Hotswap Controller | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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HV101 Demo Board
HV101DB1
3-Pin Hotswap Controller
Introduction
The Supertex HV101DB1 demo board contains all necessay
circuitry to demonstrate the features of the HV100 hotswap
controller. Intended primarily as a negative hotswap controller,
the HV101 controls the negative supply path.
Included on board is a 100µF capacitor (C3) to provide a
capacitive load for testing. Additional capacitance may be
connected to the VOUT terminals. Or the 100µF may be removed
altogether
The board may be modified to meet custom requirements.
Instructions are provided on the next page for modifications.
Specifications
Input Voltage
Peak Inrush Limit
Max Short Circuit Current1
Circuit Breaker Response Time1
Auto Retry
On Resistance
Undervoltage Trip
1 During inrush limiting
Board Layout and Connections
10V to 72V
1.4A typ
4A typ
1ms typ
2.5s typ
210mW_ max
15V on, 14V off
VPP IN
+OUT
VPP
VIN
OUT +
U1 C3
DRAIN
C2 GATE
-OUT
C1 Q1
R2
R1
VOUT
Power Supply
or Load
VIN
Connect the supply voltage to these terminals. Supply voltage
may range from 10 volts to 72 volts.
A high source impedance may cause oscillations when the input
voltage is near the undervoltage trip point. A high source imped-
ance results in a large voltage drop when loaded, causing
undervoltage lockout to kick in, disconnecting the load. With the
load removed, input voltage rises, causing undervoltage to
release and reconnecting the load. The cycle repeats, resulting
in oscillations. Source impedance must be less than the follow-
ing to avoid oscillations:
VOUT
Connect the power supply or other load to these terminals. V
OUT+
is connected to VIN+, it is VOUT– that is switched.
Application of a DC load during start-up and/or additional load
capacitance extends the time inrush limiting is active. If this time
exceeds 100ms, the HV101 shuts off, retrying 2.5s later. For this
reason, DC load at start-up should be less than 900mA. Note
that DC start-up load limitation decreases with added load
capacitance.
Note that the circuit breaker functions during inrush only.
01/21/02
1.5V
RSOURCE = ILOAD
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
Supertex website:
responsibility is assumed for possible omissions or inaccuracies.
http://www.supertex.com. For complete liability information on all
CSiurcpueirttreyxapnrdods1upcetcsi,firceafteior ntos
are
the
subject to change without notice. For the latest product specifications, refer to the
most current databook or to the Legal/Disclaimer page on the Supertex website.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet HV101DB1.PDF ] | |
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