POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: TA = 25°C; VIN = 12V; VREG = 8.5V
Parameter
Symbol
CO
Logic High Input Voltage
Logic Low Input Voltage
Thermal Shutdown
VCO_H
VCO_L
Over Temperature Trip Point
Hysteresis
High Side Driver (TG)
TOTP
THYST
Output Impedance
Rise Time
Fall Time
Propagation Delay, TG Going High
Propagation Delay, TG Going Low
Low-Side Driver (BG)
RSRC_TG
RSINK_TG
tR_TG
tF_TG
tPDH_TG
tPDL_TG
Output Impedance
RSRC_BG
RSINK_BG
Rise Time
tR_BG
Fall Time
tF_BG
Propagation Delay, BG Going High
tPDH_BG
Propagation Delay, BG Going Low
tPDL_BG
Under-Voltage-Lockout Time Delay
VREG ramping up
VREG ramping down
tPDH_UVLO
tPDL_UVLO
Conditions
VBST - VDRN = 8.5V
CL = 3nF, VBST - VDRN = 8.5V
CL = 3nF, VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
CL = 3nF, VBST - VDRN = 8.5V
CL = 3nF, VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
SC1210
Min Typ Max Units
2.0
V
0.8
V
155
°C
10
°C
1.5
3.0
Ω
1.0
2.0
15
ns
10
ns
37
ns
30
ns
1.5
3.0
Ω
1.5
3.0
10
ns
10
ns
20
ns
27
ns
2
µs
2
µs
2003 Semtech Corp.
3
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