ZXMN0545FFTA Diodes Zetex, ZXMN0545FFTA Datasheet - Page 70

• Manufacturer Part Number: ZXMN0545FFTA
• Description: MOSFET N-CH 450V SOT23F-3
• Manufacturer: Diodes Zetex
• Series: -r

Specifications of ZXMN0545FFTA

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: -
• Drain To Source Voltage (vdss): 450V
• Current - Continuous Drain (id) @ 25° C: 90mA
• Vgs(th) (max) @ Id: -
• Gate Charge (qg) @ Vgs: -
• Input Capacitance (ciss) @ Vds: -
• Power - Max: 1.5W
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3 Flat Leads, SOT-23F-3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: ZXMN0545FFTR

Single and multi-cell system power boost controllers
The ZXSC100/410/420 are voltage
mode inductive boost controllers
aimed at providing power rails from
battery supplies. The ZXSC410/420
provide any regulated voltage above
V
with a typical line regulation of 1%.
The ZXSC420 option provides an
‘end of regulation’ flag which
uses all available battery energy
before signalling a shutdown.
The ZXSC100 caters for single
cell operation with a guaranteed
start up under full load conditions
down to 1V. All products feature
a programmable peak current to
optimize efficiency and supply
requirements. Maximum output
voltages are limited only by
the rating of the external
switching device.
(1) V M - limited only by voltage rating of external bipolar or MOSFET transistor (V CEO /BV DSS )
Application circuit
ZXSC410 two cell boost converter
Part number
ZXSC100
ZXSC410
ZXSC420
ZXSC440
IN
from dual cell and Li-Ion cells
C1
Input voltage
0.93 - 3.5
1.8 - 8.0
1.8 - 8.0
1.8 - 8.0
U1
ZXSC410
range
V
STDN
GND
CC
V
V
I
SENSE
DRIVE
L1
V
FB
Output voltage
V
V
V
V
range (1)
IN
IN
IN
IN
The ZXSC440, although intended
for camera flash applications,
combines the shutdown and end
of regulation features of the
ZXSC410 and ZXSC420
respectively.
Features
to V
to V
to V
to V
V
Typical 1% load and line
regulation - ZXSC410/420
4.5µA typical shutdown
current - ZXSC410/440
End of regulation flag
- ZXSC420/440
Single cell operation
- ZXSC100
Programmable peak
switch current
Q1
ZXTN25040
R1
M
M
M
M
D1
ZHCS1000
Shutdown
current
70
4.5
4.5
µA
-
-
R2
R3
C2
Typical Quiescent
3.3V
current
150
150
150
150
µA
Applications
Application notes
• AN33 ZXSC100 single cell
DC-DC converter LED driving
applications
• AN34 ZXSC100 power
supply for digital still cameras
System supplies from
dual cell and Li-Ion cells
- ZXSC410/420
LCD bias voltage supplies
- ZXSC410/420
System supplies from
single alkaline, NiCad
or NiMH cells - ZXSC100
System supplies
from solar cells - ZXSC100
Camera flash - ZXSC440
Efficiency
82
85
85
85
%
Package
SO8
SOT23-6
SOT23-6
MSOP8
A
b