MCP73831 Datasheet, PDF (5/24 Pages) Microchip Technology – Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers

MCP73831/2
AC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits apply for V_DD = [V_REG (typ.) + 0.3V] to 12V,
T_A = -40°C to +85°C. Typical values are at +25°C, V_DD = [V_REG (typ.) + 1.0V]
Parameters
Sym.
Min. Typ. Max. Units
Conditions
UVLO Start Delay
t_START
Constant-Current Regulation
Transition Time Out of
Preconditioning
t_DELAY
Current Rise Time Out of
Preconditioning
t_RISE
Termination Comparator
Filter
t_TERM
Charge Comparator Filter
Status Indicator
t_CHARGE
Status Output turn-off
t_OFF
Status Output turn-on
t_ON
—
—
5
—
—
1
—
—
1
0.4 1.3 3.2
0.4 1.3 3.2
—
— 200
—
— 200
ms V_DD Low-to-High
ms V_BAT < V_PTH to V_BAT > V_PTH
ms I_OUT Rising to 90% of I_REG
ms Average I_OUT Falling
ms Average V_BAT
μs I_SINK = 1 mA to 0 mA
μs I_SINK = 0 mA to 1 mA
TEMPERATURE SPECIFICATIONS
Electrical Specifications: Unless otherwise indicated, all limits apply for V_DD = [V_REG (typ.) + 0.3V] to 12V.
Typical values are at +25°C, V_DD = [V_REG (typ.) + 1.0V]
Parameters
Sym. Min. Typ. Max. Units
Conditions
Temperature Ranges
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
5-Lead, SOT23
8-Lead, 2 mm x 3 mm, DFN
T_A
-40
—
+85
°C
T_J
-40
— +125
°C
T_A
-65
— +150
°C
θ_JA
—
230
—
°C/W 4-Layer JC51-7 Standard
Board, Natural Convection
θ_JA
—
76
—
°C/W 4-Layer JC51-7 Standard
Board, Natural Convection
© 2006 Microchip Technology Inc.
DS21984B-page 5