CLS62-22022 MICROSEMI [Microsemi Corporation], CLS62-22022 Datasheet - Page 3

• Manufacturer Part Number: CLS62-22022
• Description: 1.0MHz Inverting DC/DC Converter
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 2002
Rev. 3.0a, 2005-03-14
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
test conditions: V
Minimum Operating Voltage
V
Reference Voltage
Reference Voltage Line Regulation
NFB Pin Bias Current
Quiescent Current
Quiescent Current
Switching Frequency
Maximum Duty Cycle
Switch V
Switch Leakage Current
Switch Circuit Current Limit
Shutdown Input Voltage
IN
Under Voltage Lockout
TM
CESAT
Parameter
IN
= 5V
V
OUT
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Q1
Current
High
Bias
Low
R1 (External)
Symbol
E L E C T R I C A L C H A R A C T E R I S T I C S
UVLO
C
I
V
V
V
I
SHDN
V
PL
I
NFB
I
SDH
NFB
SDL
SD
Q
IN
Q2
NFB
R2 (External)
Figure 2 – Simplified Block Diagram
+
-
Microsemi Integrated Products
V
4.5V < V
(Regulator Not Switching, V
I
I
V
Duty Cycle < 50%
Device Active
Device Disabled
40pF
V
V
V
OUT
SW
B L O C K D I A G R A M
100k
IN
SW
SD
SD
SD
®
= 600mA
rising, regulator remains off
< 0.28V
= 5mA to 250mA
= 0.28V
= 5V
Microsemi
= 10V
IN
< 5.5V, T
Generator
Oscillator
UVLO
1.1MHz
BIAS
Ramp
Test Conditions
V
+
-
Σ
IN
1.0MHz Inverting DC/DC Converter
AMB
> 25°C
NFB
R
S
SET
CLR
SD
Q
Q
= -2V)
+
-
GND
SW
Q3
-1.205 -1.235 -1.255
0.1Ω
Min
700
≤
3.2
0.8
82
-5
2
T
A
≤
LX1734
0.02
Typ
650
85°C and the following
0.4
30
-4
9
Max
4.25
4.25
300
800
1.4
0.8
1.0
18
12
50
-8
1
LX1734
Units
MHz
mV
mA
mV
mA
µA
µA
µA
µA
µA
%
V
V
V
V
V
Page 3