Datasheet

TMC603 DATA SHEET (V. 1.05 / 11. Mar. 2009) 34
Copyright © 2008 TRINAMIC Motion Control GmbH & Co. KG
Switching regulator /
Charge pump
DC-Characteristics
V
VCC
= V
5VOUT
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Switch output drive current (on)
I
SWOUT
V
SWOUT
= V
VM
-1.5
-2.2
-3.0
mA
Switch output drive current (off)
I
SWOUT
V
SWOUT
= V
VM
- 5V
10
mA
Switch start-up drive current
during VCC undervoltage
I
SWOUT
V
SWOUT
= V
VM
V
VM
= 24V
V
VLS
< 2V
-0.4
-0.8
mA
Switch output drive voltage (on)
V
VM
- V
SWOUT
V
SWOUT
I
SWOUT
= 0
8
12
15
V
Switch regulator output voltage
V
12VOUT
V
VM
> 16V
11
12
13.1
V
V
VLSUV
< V
VM
< 16V
0.85 V
VM
V
Oscillator output resistance
R
COSC
T
J
= 25°C
14.1
k
Lower oscillator threshold
voltage
V
COSC
1/3 V
VCC
V
Upper oscillator threshold
voltage
V
COSC
2/3 V
VCC
V
Oscillator threshold voltage for
maximum duty cycle limit
V
COSC
6/15
V
VCC
V
Maximum duty cycle switch
regulator
DC
SWOUT
V
VLS
= 10V
f
CHOP
= 100kHz
63
70
77
%
Chopper frequency nominal
f
CHOP
C
OSC
= 470pF
70
100
130
kHz
Chopper frequency range
(design reference value only)
f
CHOP
0 (off)
300
kHz
Charge pump voltage
(design reference value only)
V
CPD
V
VLS
= 12V
I
VCP
= 1.6mA
10.6
V
Linear regulator
DC-Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output voltage
V
5VOUT
I
5VOUT
= 10mA
T
J
= 25°C
4.75
5.0
5.25
V
Output resistance
R
5VOUT
Static load
2
Output current capability
I
5VOUT
V
VLS
= 12V
100
mA
V
VLS
= 8V
60
mA
V
VLS
= 6.5V
20
mA