NEC's HIGH CTR
4 PIN ULTRA SMALL PACKAGE
FLAT LEAD OPTOCOUPLER
FEATURES
• SMALL AND THIN PACKAGE:
4.6 (L) x 2.5 (W) x 2.1 (H) mm
• HIGH CURRENT TRANSFER RATIO:
CTR = 200% TYP @ I
F
= 1 mA, V
CE
= 5 V
• HIGH ISOLATION VOLTAGE
BV: 2500 V
r.m.s.
• TAPE AND REEL AVAILABLE
PS2911-1
DESCRIPTION
NEC's PS2911-1 is an optically coupled isolator containing a
GaAs light emitting diode and an NPN silicon phototransistor
in one package for high density mounting applications. An ultra
small flat lead package has been provided which realizes a
reduction in mounting area of about 30% compared with the
PS28XX series.
APPLICATIONS
• DC/DC CONVERTER
• MODEM/PC CARD
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C)
PART NUMBER
SYMBOLS
Diode
V
F
I
R
C
T
I
CEO
CTR
V
CE(sat)
R
I-O
Coupled
C
I-O
t
R
t
F
t
on
t
s
t
off
PARAMETERS
Forward Voltage, I
F
= 5 mA
Reverse Current, V
R
= 5 V
Terminal Capacitance, V = 0, f = 1.0 MHz
Collector to Emitter Current, I
F
= 0 mA, V
CE
= 40 V
Current Transfer Ratio (I
C
/I
F
)
1
, I
F
= 1 mA, V
CE
= 5 V
Collector Saturation Voltage, I
F
= 1 mA, I
C
= 0.2 mA
Isolation Resistance, V
I-O
= 1.0 k V
DC
Isolation Capacitance, V = 0 V, f = 1.0 MHz
Rise Time
2
, V
CC
= 5 V, I
C
= 2 mA, R
L
= 100
Ω
Fall Time
2
, V
CC
= 5 V, I
C
= 2 mA, R
L
= 100
Ω
On Time
2
, V
CC
= 5 V, IF = 1 mA, R
L
= 5 kΩ
Storage
Time
2
,
V
CC
= 5 V, I
F
= 1 mA, R
L
= 5 kΩ
Off Time
2
, V
CC
= 5 V, I
F
= 1 mA, R
L
= 5 kΩ
2. Test Circuit for Switching Time
PULSE INPUT
PW = 100 µs
Duty Cycle = 1/10
In monitor
IF
50
Ω
V
OUT
R
L
= 100
Ω
or 5 kΩ
V
CC
PS2911-1
UNITS
V
µA
pF
nA
%
V
Ω
pF
µs
µs
µs
µs
µs
PS2911-1
3
4
10
11
0.4
5
10
40
10
120
100
200
0.13
15
100
400
0.3
MIN
0.9
TYP
1.1
MAX
1.3
5
1. CTR RANK:
N: 100 to 400 (%)
K: 200 to 400 (%)
L: 150 to 300 (%)
M: 100 to 200 (%)
Transistor
1
2
The information in this document is subject to change without notice. Before using this document, please confirm
that this is the latest version.
Date Published: August 4, 2005
CEL [ CALIFORNIA EASTERN LABS ]
