MAX15002 Datasheet, PDF (3/30 Pages) Maxim Integrated Products – Dual-Output Buck Controller with Tracking/Sequencing

Dual-Output Buck Controller with
Tracking/Sequencing
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = 5.5V to 23V or V_IN = V_REG = 4.5V to 5.5V, V_{DREG_} = V_REG, V_{PGND_} = V_SYNC = V_PHASE = V_SEL = 0V, C_REG = 2.2µF, R_RT = 100kΩ,
C_CT = 0.1µF, R_{ILIM_} = 60kΩ, T_A = T_J = -40°C to +125°C, unless otherwise noted. Typical values are at V_IN = 12V, T_A = T_J = +25°C.)
(Note 1)
PARAMETER
DRIVERS
DL_, DH_ Break-Before-Make
Time
DH1 On-Resistance
SYMBOL
DH2 On-Resistance
DL1 On-Resistance
DL2 On-Resistance
LX_ to PGND_ On-Resistance
CURRENT-LIMIT AND HICCUP MODE
Cycle-By-Cycle Valley Current-
Limit Adjustment Range
V_CL
Cycle-By-Cycle Valley Current-
Limit Threshold Tolerance
ILIM_ Reference Current
ILIM_ Reference Current
Temperature Coefficient
CSP_, CSN_ Input Bias Current
Number of Cumulative Current-
Limit Events to Hiccup
N_CL
Number of Consecutive Non-
Current-Limit Cycles to Clear N_CL
N_CLR
CONDITIONS
C_LOAD = 5nF
Low, sinking 100mA
High, sourcing 100mA
Low, sinking 100mA
High, sourcing 100mA
Low, sinking 100mA
High, sourcing 100mA
Low, sinking 100mA
High, sourcing 100mA
Sinking 10mA
V_{CL_} = V_{ILIM_}/10
V_{ILIM_} = 0.5V
V_{ILIM_} = 3V
V_{ILIM_} = 0 to 3V, T_A = T_J = +25°C
V_{CSP_} = 0V, V_{CSN_} = -0.3V
Hiccup Timeout
ENABLE/PHASE/SEL
EN1 Threshold
EN1 Threshold Hysteresis
EN1 Input Bias Current
PHASE Input High
PHASE Input Low
PHASE Input Bias Current
SEL Threshold
SEL Input Bias Current
V_EN-TH EN1 rising
MIN TYP MAX UNITS
20
ns
0.9
Ω
1.3
0.9
Ω
1.3
0.9
Ω
1.3
0.9
Ω
1.3
8
Ω
50
300
mV
44
54
mV
288
312
20
µA
3333
ppm/°C
-20
+20
µA
8
3
4096
Clock
periods
1.19 1.215 1.24
V
0.12
V
-1
+1
µA
2
V
0.8
V
-1
+1
µA
20 %V_REG
-1
+1
µA
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