SC4626CSKTRT Datasheet, PDF (14/22 Pages) Semtech Corporation – 2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5

Block Diagram
SC4626
Internal
Oscillator
Ramp
Generator
V_OVP
- ^OVP
+
P_Plim_limit C_it o_Am_mp_p
+
-
Current Amp
Control
Logic
VOUT
Voltage
Select
-
+ _{Error Amp}
500mV
Ref
EN
-
+
PWM
Comp
VIN
LX
GND
© 2009 Semtech Corp.
14
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