SC198 Datasheet, PDF (3/16 Pages) Semtech Corporation – Dual DC-DC Buck Converter with High Current Capability

POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
Start-Up Time
Oscillator Frequency
SYNC Frequency (upper)
SYNC Frequency (lower)
Thermal Shutdown
Thermal Shutdown
Hysteresis
t_START
f_OSC
f_SYNCU
f_SYNCL
T_HI
T_HYSR
UVLO Threshold
UVLO Hysteresis
Logic Input High⁽²⁾
Logic Input Low⁽²⁾
Logic Input High⁽²⁾
Logic Input Low⁽²⁾
V_UVL
V_UVLHYS
V_IH
V_IL
I_IH
I_IL
Decreasing V_IN
Notes:
(1) See Output Voltage Options table in the Application Information section.
(2) For ENA, ENB, SYNC, CTLA0, CTLA1, CTLA2, CTLB0, CTLB1, CTLB2.
SC198
Min Typ
0.85 1.1
1.25
145
10
2.4 2.5
50
1.6
-2 0.1
-2 0.1
Max Units
5
ms
1.25 MHz
MHz
0.75 MHz
°C
°C
2.6
V
mV
V
0.6
V
2
μA
2
μA
© 2006 Semtech Corp.
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