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PDF BA9741 Data sheet ( Hoja de datos )
| Número de pieza | BA9741 | |
| Descripción | TWO-CHANNEL SWITCHING REGULATOR CONTORLLER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BA9741 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
BA9741
LINEAR INTEGRATED CIRCUIT
TWO-CHANNEL SWITCHING
REGULATOR CONTORLLER
DESCRIPTION
The UTC BA9741 is a two-channel switching regulator
controllers that use the PWM method.
It can be used for DC to DC conversion for step-up,
step-down, and inverting. The IC comes in a compact package,
making it ideal for use in portable equipment.
FEATURES
*High-accuracy reference voltage circuit (±1%)
*Time-latch, short-circuit protection circuit
*Miss-operation prevention circuit for low-voltage input
*Reference voltage with output (2.5V)
*Rest period adjustment is possible over the entire duty *range
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
BA9741L-D16-T
BA9741G-D16-T
- BA9741G-S16-R
- BA9741G-P16-R
Package
DIP-16
SOP-16
TSSOP-16
Packing
Tube
Tape Reel
Tape Reel
MARKING
DIP-16
SOP-16 / TSSOP-16
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 7
QW-R103-017.C
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BA9741
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (TA=25C, VCC=6V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONIDITIONS
REFERENCE VOLTAGE BLOCK
Output Voltage
Input Stability
Load Stability
TRIANGULAR WAVE OSCILLATOR
VREF
VDLI
VDLO
IREF =1mA
VCC =3.6~35V
IREF =0~5mA
Oscillation Frequency
Frequency Deviation
PROTECTION CIRCUIT
FOSC
FDV
RRT=10 kΩ, CCT=220pF
VCC=3.6~35V
Threshold Voltage
VIT
Standby Voltage
VSTB
Latch Voltage
VLT
Source Current
ISCP
Comparator Threshold Voltage
VCT
REST PERIOD ADJUSTMENT CIRCUIT
No pull up
No pull up
5Pin,12Pin
Input Threshold Voltage
(fosc=10kHz)
Vt0
Vt100
Duty Cycle =0%
Duty Cycle =100%
On Duty Cycle
DON Divide VREF using 13 kΩ and27 kΩ
Input Bias Current
IBDT DT1, DT2=2.0V
Latch Mode Source Current
IDT DT1, DT2=0V
Latch Input Voltage
VDT IDT=40µA
LOW-VOLTAGE INPUT MISS-OPERATION PREVENTION CIRCUIT
Threshold Voltage
VUT
ERROR AMPLIFIER
Input Offset Voltage
Input Offset Current
Input Bias Current
Open Circuit Gain
VIO
IIO
IIB
AV
Common-mode Input Voltage range VOM VCC=3.6~35V
Common-mode Rejection Ratio
CMRR
Maximum Output Voltage
Minimum Input Voltage
Output Sink Current
Output Source Current
VOH
VOL
IOI FB=1.25V
IOO FB=1.25V
PWM COMPARATOR
Input Threshold Voltage
(fosc=10kHz)
OUTPUT BLOCK
Saturation Voltage
Leak Current
Vt0
Vt100
Duty Cycle =0%
Duty Cycle =100%
VSAT
IREAK
IO=75mA
VO=35V
TOTAL DEVICE
Standby Current
Average Current Consumption
ICCS When output is off
ICCA RRT=10 kΩ
MIN TYP. MAX UNIT
2.4 2.5 2.6 V
1 10 mV
1 10 mV
320 400 480 kHz
1%
1.48 1.64 1.80 V
50 100 mV
30 100 mV
1.5 2.5 3.5 µA
0.9 1.05 1.2 V
1.79 1.97 2.15 V
1.32 1.48 1.64 V
45 55 65 %
0.1 1 µA
200 560
µA
2.28 2.48
V
2.53 V
6 mV
30 nA
15 100 nA
70 85
dB
0.3 1.6 V
60 80
dB
2.3 2.5
V
0.7 0.9 V
3 20
mA
45 75
µA
1.79 1.97 2.15 V
1.32 1.48 1.64 V
0.8 1.2
05
V
µA
1.3 1.8 mA
1.6 2.3 mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R103-017.C
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet BA9741.PDF ] | |
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