Datasheet MAX25601A, MAX25601B, MAX25601C, MAX25601D (Maxim) - 3

HerstellerMaxim
BeschreibungSynchronous Boost and Synchronous Buck LED Controllers
Seiten / Seite33 / 3 — Electrical Characteristics. PARAMETER. SYMBOL. CONDITIONS. MIN. TYP. MAX. …
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DokumentenspracheEnglisch

Electrical Characteristics. PARAMETER. SYMBOL. CONDITIONS. MIN. TYP. MAX. UNITS. INPUT VOLTAGE. VCC and VDRV. UV ENABLE. FLT. THERMAL SHUTDOWN

Electrical Characteristics PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS INPUT VOLTAGE VCC and VDRV UV ENABLE FLT THERMAL SHUTDOWN

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MAX25601A/MAX25601B/ Synchronous Boost and MAX25601C/MAX25601D Synchronous Buck LED Controllers
Electrical Characteristics
(VIN = 12V, VUVEN = 12V, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS INPUT VOLTAGE
MAX25601A/MAX25601B 5 36 Input Voltage Range VIN MAX25601C/MAX25601D 5 48 V IN connected to VDRV and VCC (external bias) 4.5 5.5 Quiescent Current I VDIM = 5V, VIN = 12V, VOUT_BOOST = 48V, Q boost and buck not switching 5 10 mA Shutdown Current ISHDN VDIM = 0V, VIN = 12V, VUVEN = 0V 12 μA
VCC and VDRV
I V VDRV = 30mA, 5.5V ≤ VIN ≤ 36V 4.95 5.0 5.05 DRV Output Voltage VDRV V IVDRV = 10mA to 60mA, 6V ≤ VIN ≤ 25V 4.90 5.0 5.10 VDRV Dropout Voltage IVDRV = 5mA, VIN = 4.5V 35 100 mV VDRV Short-Circuit Cur- rent VDRVIMAX VDRV = 4.5V, VIN = 6V 90 mA VDRV Undervoltage Lockout Rising VDRVUVLOR Rising voltage 3.92 V VDRV Undervoltage Lockout Falling VDRVUVLOF Falling voltage 3.45 V
UV ENABLE
UVEN Threshold VTH_UVEN 1.12 1.24 1.37 V Hysteresis 100 mV
FLT
FLTLow Voltage Any boost or buck fault present 0.4 V FLTLeakage Current FLTLK VFLT = 5.5V, 100kΩ pullup 1 μA
THERMAL SHUTDOWN
Thermal Shutdown Tem- perature Rising 165 °C Thermal Shutdown Hys- teresis 10 °C
BUCK / OFF-TIME CONTROL
Minimum Off-Time tOFF_MIN_ VCSP - VCSN = 0V 125 200 ns BUCK Maximum Off-Time 42 μs CS Comparator Propagation Delay tCS_DLY 65 ns Linear Range of Pulse Doubler 0 5 μs www.maximintegrated.com Maxim Integrated │ 3