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SC1406ACTS Folha de dados(PDF) 7 Page - Semtech Corporation

Nome de Peças SC1406ACTS
Descrição Electrónicos  PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER
PDF  17 Pages
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Fabricante Electrônico  SEMTECH [Semtech Corporation]
Página de início  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1406ACTS Folha de dados(HTML) 7 Page - Semtech Corporation

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SC1406A
© 2000 SEMTECH CORP.
652 MITCHELL ROAD
NEWBURY PARK CA 91320
PORTABLE PENTIUM
® II & III
POWER SUPPLY CONTROLLER
January 28, 2000
7
Pentium is a registered trademark of Intel Corporation
ELECTRICAL CHARACTERISTICS (CONT.)
Unless specified: -0 < T
A < 100°C; VCC = 3.3V (See test circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNIT
LINEAR REGULATOR CONTROLLERS
1.5V Linear Regulator Controller
Input Bias Current
I
LR15
V
FB_15 = 1.5V
1
mA
Output Voltage
C
O_1.5 = 56µF, 20mΩ ESR max
or 150µF, 45m
Ω ESR max
Capacitance tolerance = 20%
V
O_1.5,
Imin =
0.1mA
I
O = 500mA, pnp BJT with BMIN > 50 @
I
C = 500mA
1.47 1.50
1.54
V
Base Drive Output Current
I
BASE_1.5
@ 25°C
10
120
mA
2.5V Linear Regulator Controller
Input Bias Current
I
LR25
V
FB_25 = 2.5V
1
mA
Output Voltage
C
O_2.5 = 1µFceramic
ESR range = 1m
Ω − 30mΩ
Capacitance tolerance = 20%
V
O_2.5,
Imin = 0A
Imax=0.1A
I
O = Imax, pnp BJT with BMIN > 50 @
I
C = 100mA
2.45 2.50
2.55
V
Base Drive Output Current
I
BASE_2.5
2.5
20
mA
Linear Regulator Soft Start (LRSS)
Linear Reg Soft-Start Current
I
LRSS
Charge Current, V
LRSS = 0V
-0.6
-1
µA
Discharge Current, V
LRSS = 1.50V,
EN is low or in UVLO
0.3
1
mA
Enable Threshold
V
SSLR_EN
150
400
mV
Soft Start Termination Threshold
V
TH_LRSS
1.53 1.70
1.87
V
Voltage Clamp (VCIN, VCOUT, VCBYP)
Input Voltage
V
H_VCIN
0.93
1.5
1.60
V
Output Voltage
Imin = 10µA
V
H_VCOUT
R
VCOUT = 150Ω
tied to V
S = 2.5V
I
VCIN = -10µA
VCIN is open
0.8V
S
V
S
V
V
L_VCOUT
V
VCIN = 0.175V
0.375
Progagation Delay**
T
pd
VCIN_VCOUT
R
VCOUT = 150Ω tied to VS = 2.5V
C
VCBYP = 1500pF,
VCIN steps from
0.175V to 1.50V and back.
Measured from 50% of VCIN step to
50% of VCOUT transient
10
ns
* Guaranteed by design.
**Guaranteed by characterization.



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