SC196A Datasheet, PDF (3/17 Pages) Semtech Corporation – 1.5A Synchronous Buck Converter with Integrated Power Devices

SC196A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Quiescent Current
Shutdown Current
LX Leakage Current PMOS
LX Leakage Current NMOS
Oscillator Frequency
SYNC Frequency (upper)
SYNC Frequency (lower)
UVLO Threshold (upper)
UVLO Hysteresis
Thermal Shutdown
Thermal Shutdown Hysteresis
Logic Input High
Logic Input Low
Logic Input Current High
Logic Input Current Low
Symbol
I_Q
I_SD
I_LXP
I_LXN
f_OSC
f_SYNCU
f_SYNCL
V_UVL
V_UVLHYS
T_SD
T_SD-HYS
V_IH
V_IL
I_IH
I_IL
Conditions
SYNC/PWM = GND, I_OUT = 0A,
V_OUT = 1.04 x V_{OUT(Programmed)}
EN = GND, LX = OPEN
LX = GND, EN = GND
LX = 3.6V, EN = GND
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
EN, SYNC/PWM, VID0, VID1, MODE
Min
-2
0.85
1.25
2.38
1.2
-2
-2
PRELIMINARY
Typ
Max
Units
17
28
µA
0.1
1
µA
0.1
2
µA
0.1
µA
1.0
1.15
MHz
MHz
750
kHz
2.52
2.65
V
135
mV
145
°C
10
°C
V
0.4
V
0.1
2
µA
0.1
2
µA
 2006 Semtech Corp.

www.semtech.com