TL2843B-Q1 Datasheet, PDF (2/16 Pages) Texas Instruments – HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLER

TL2843B-Q1
SLVSAE2A – JULY 2010 – REVISED FEBRUARY 2012
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These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
V_CC ¹²
FUNCTIONAL BLOCK DIAGRAM
34 V NOM
GND ⁹
−+
UVLO
5-V V_REF
EN
7
R_T/C_T
2.5 V
OSC
V_REF
Good
Logic
Internal
Bias
3
VFB
COMP ¹
I_SENSE ⁵
Error
Amplifier
+
−
2R
R
T
S
R
1V
Current-
Sense
Comparator
PWM
Latch
14 _VREF
10 _OUTPUT
2
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