TLD5098EL Infineon Technologies, TLD5098EL Datasheet - Page 22

• Manufacturer Part Number: TLD5098EL
• Description: IC DC-DC CTRLR BUCK BOOST 14SSOP
• Manufacturer: Infineon Technologies

Specifications of TLD5098EL

• Constant Current: Yes
• Constant Voltage: Yes
• Internal Driver: No
• Type - Primary: Automotive
• Mounting Type: Surface Mount
• Topology: PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Frequency: 100kHz ~ 500kHz
• Voltage - Supply: 4.5 V ~ 45 V
• Voltage - Output: 4.5 V ~ 5.5 V
• Package / Case: 14-LSSOP (0.150", 3.95mm Width) Exposed Pad
• Packages: PG-SSOP-14
• Vs (min): 4.75 V
• Vs (max): 45.0 V
• Vq (max): -
• Iq (max): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Details

Figure 10
Figure 11
Datasheet
Feedback Voltage
Overvoltage
Error Amplifier
Compartor
Diagnosis Truth Table
Open Load and Open Feedback Conditions
Short to GND @ LED
*Note:
Sw = Switching
False = Condition does not exist
True = Condition does exist
Overtemperature
Undervoltage @
Open Feedback
Overvoltage @
PWMO
Open Load
OVFB
V
Condition
FBH
FBL
OVFB,TH
Output
chain
Input
9
6
7
5
R
R
OVH
OVL
Input
V
+
REF
-
V
BO
R
FB
Level*
False
False
False
False
False
False
True
True
True
True
True
True
T
Open Circuit 3
Open Circuit 1
Open Circuit 2
DIM
Open Circuit 4
D
D
D
D
D
D
D
D
D
D
1
2
3
4
5
6
7
8
9
10
22
SWO
Sw*
Sw*
Sw*
Sw*
Sw*
Sw*
L
L
L
L
L
L
Max Threshold = -20 mV
Min Threshold = -100 mV
H or Sw *
H or Sw *
H or Sw *
H or Sw *
H or Sw *
H or Sw *
Output Open Circuit Conditions
Open Circuit
PWMO
Max Threshold = 1.0 V
Output
Condition
Min Threshold = 0.5 V
Protection and Diagnostic Functions
Typical V
L
L
L
L
L
L
1
2
3
4
REF
Fault Condition
Shutdown
Shutdown
Open PWMO
= 0.3 V
Open FBH
Open VBO
Open FBL
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
IVCC
V
REF
Rev. 1.0, 2010-10-13
Fault Threshold Voltage
Detected by overvoltage
-20 to -100 mV
-20 to -100 mV
TLD5098EL
0.5 to 1.0 V
V
REF