參數(shù)資料
型號: SC1406ACTS
廠商: Semtech Corporation
英文描述: PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER
中文描述: 便攜式奔騰II
文件頁數(shù): 7/17頁
文件大小: 175K
代理商: SC1406ACTS
SC1406A
2000 SEMTECH CORP.
652 MITCHELL ROAD
NEWBURY PARK CA 91320
PORTABLE PENTIUM
II & III
POWER SUPPLY CONTROLLER
January 28, 2000
ELECTRICAL CHARACTERISTICS (CONT.)
7
Pentium is a registered trademark of Intel Corporation
Unless specified: -0 < T
A
< 100°C; V
CC
= 3.3V (See test circuit)
PARAMETER
SYMBOL
LINEAR REGULATOR CONTROLLERS
CONDITIONS
MIN
TYP MAX UNIT
1.5V Linear Regulator Controller
Input Bias Current
I
LR15
V
Imin =
0.1mA
V
FB_15
= 1.5V
1
mA
Output Voltage
C
O_1.5
= 56μF, 20m
ESR max
or 150μF, 45m
ESR max
Capacitance tolerance = 20%
I
O
= 500mA, pnp BJT with B
MIN
> 50 @
I
C
= 500mA
1.47
1.50
1.54
V
Base Drive Output Current
2.5V Linear Regulator Controller
Input Bias Current
I
BASE_1.5
@ 25°C
10
120
mA
I
LR25
V
FB_25
= 2.5V
1
mA
Output Voltage
C
O_2.5
= 1μFceramic
ESR range = 1m
30m
Capacitance tolerance = 20%
Base Drive Output Current
V
Imin = 0A
Imax=0.1A
I
O
= Imax, pnp BJT with B
MIN
> 50 @
I
C
= 100mA
2.45
2.50
2.55
V
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
Discharge Current, V
= 1.50V,
EN is low or in UVLO
-0.6
-1
μA
0.3
1
mA
Enable Threshold
V
SSLR_EN
V
TH_LRSS
150
400
mV
Soft Start Termination Threshold
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
= 150
tied to V
= 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
= 150
tied to V
S
= 2.5V
C
VCBYP
= 1500pF, VCIN steps from
Measured from 50% of VCIN step to
50% of VCOUT transient
10
ns
* Guaranteed by design.
**Guaranteed by characterization.
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