MAX1636 Maxim, MAX1636 Datasheet - Page 4

• Manufacturer Part Number: MAX1636
• Description: Low-Voltage / Precision Step-Down Controller for Portable CPU Power
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, SYNC = VL = V
are at T
Low-Voltage, Precision Step-Down
Controller for Portable CPU Power
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, SYNC = VL = V
4
SMPS CONTROLLER
INTERNAL VL REGULATOR AND REFERENCE
Current-Sense Input
Leakage Current
Gate-Driver Sink/Source Current
Gate-Driver On-Resistance
Input Voltage Range, V+
Input Voltage Range, VL
Input Voltage Range, V
Output Voltage, Adj Mode
Output Voltage, Fixed 2.5V Mode
Output Voltage, Fixed 3.3V Mode
Output Adjustment Range
Current-Limit Threshold
Power Consumption
Regulator Supply Current (V+)
Standby Supply Current (V+)
VL Output Voltage
VL Undervoltage Lockout
Threshold
_______________________________________________________________________________________
A
= +25°C.)
PARAMETER
PARAMETER
CC
CSH = CSL = 5V, V+ = VL = V
GND, either CSH or CSL input
DH or DL forced to 2V
High or low, DH or DL
Input source for VL regulator
Gate-driver supply rail
Internal chip supply rail
FB tied to V
< V+ < 30V (includes line and load regulation)
FB tied to V
< V+ < 30V (includes line and load regulation)
FB tied to GND, 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
V
V
Positive direction
V
V
V
V
(includes PNP base current)
SHDN = GND, OVP = V
I(VL) = 0 to 25mA, 5V < V+ < 30V
I(VL) = 0 to 25mA, 6V < V+ < 30V
Rising edge, hysteresis = 25mV
CC
CC
CC
CC
CC
CC
CC
CC
= VL = 5V
= 3.3V, VL = 5V
= 5V, output not switching
= 3.3V, output not switching
= 5V, I(VL) = 0
= 5V, I(VL) = 0, V+ = 4.5V
, I
, I
VL
VL
OUT
= 0mA, I
CC
= 0mA, I
, 0mV < (CSH - CSL) < 80mV, 4.5V
, 0mV < (CSH - CSL) < 80mV, 4.5V
CONDITIONS
CONDITIONS
REF
REF
CC
= 0mA, T
= 0mA, T
CC
A
=
A
=-40°C to +85°C, unless otherwise noted.) (Note 1)
= 0°C to +85°C, unless otherwise noted. Typical values
1.086
2.432
3.195
V
V
3.15
3.45
MIN
MIN
4.5
4.2
4.5
4.7
70
REF
REF
TYP
TYP
1
1.114
2.635
3.497
MAX
MAX
3.91
130
500
5.5
5.5
5.5
3.6
2.0
1.5
5.3
5.3
10
30
60
60
7
UNITS
UNITS
mW
mV
µA
µA
µA
Ω
A
V
V
V
V
V
V
V
V
V