tca5600 Freescale Semiconductor, Inc, tca5600 Datasheet - Page 11

• Manufacturer Part Number: tca5600
• Description: Universal Microprocessor Power Supply/controllers
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA ANALOG IC DEVICE DATA
0.33 F
V bat
C6
MR752
150
V CC1
P
P
22nF
R3
D1
C9
RESET
P
(a)
(b)
RESET
RESET
INH
INH
V out1
V CC2
1
2
WDI
V C5
V C5
11
6
1
3
Z1
MR2525L
Ignition
Key
220 F
C1
V C5(N)
Figure 17. Typical RESET Timing Diagram (not to scale)
t d
+
10
IC 5
300
V D
L1
Reference
H
9
Converter
17
Circuit
Delay
Figure 18. Typical Automative Application
DC/DC
2.5V
C5
100nF
0.68
R1
12
100 F
C2
TCA5600 TCF5600
V C5(L)
18
WDS
0.22 F
C7
Shut–Down
Watchdog
Thermal
t wd
7
Overload
10k
86k
R5
A2
t r
V C5(H)
P
4
WDI
R4
C8
330pF
+
47
nF
C3
8
V CC2 < V out1
TCA5600
V CC2
V out2
50mA
24V
14
Current
0.5
Limit
5
R2
V ref
A1
16
13
(a) Watchdog inhibited, WDS = “1”
(b) Watchdog operational, WDS = “0”
Gnd
Protection
Voltage
A1
15
2
150 F +
Q1*
BD242SP
V out1
5.0V/300mA
C4
11