MAX15059 Datasheet, PDF (3/15 Pages) Maxim Integrated Products – 76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

76V, 300mW Boost Converter and Current
Monitor for APD Bias Applications
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VSHDN = VCNTRL = 3.3V, CIN = 1FF, VPGND = VSGND = 0V, VBIAS = 40V, LX = APD = CLAMP = ILIM = unconnected, VMOUT
= 0V, T_A = -40NC to +85NC, unless otherwise noted. Typical values are at T_A = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
CNTRL-to-REF Transition
Threshold
V_FB = V_REF above this voltage
1.3
V
CNTRL Input-Bias Current
CURRENT MONITOR
Bias Voltage Range
Bias Quiescent Current
Voltage Drop
Dynamic Output Resistance at
MOUT
APD Current-Step Response
MOUT Output Leakage
VCNTRL = VFB_SET, TA = +25NC
500
nA
VBIAS
10
76
V
IBIAS
IAPD = 500nA
I_APD = 2mA
MAX15059A
MAX15059B
MAX15059A
MAX15059B
150 250
FA
150 250
4
6
mA
3
4
VDROP IAPD = 2mA, VDROP = VBIAS - VAPD
2.7
3.5
V
R_MOUT
RMOUT = DVMOUT/DIMOUT,
I_APD = 2.5mA
MAX15059A
5
GI
Step load on IAPD = 20FA to 1mA
25
ns
1
nA
Output Clamp Voltage
V_MOUT -
V_CLAMP
Forward diode current = 500FA
0.45 0.7 0.95
V
Output Clamp Leakage Current
V_BIAS = V_CLAMP = 76V
1
nA
MOUT Voltage Range
V_MOUT
10V P VBIAS P 76V, 0 P IAPD P 1mA, CLAMP VBIAS -
is unconnected
2.7
V
Current Gain
IAPD = 500nA
IMOUT/IAPD
I_APD = 2mA
MAX15059A 0. 95
1
1.1
MAX15059B 0.19 0.2 0.22
mA/mA
MAX15059A 0.965
1
1.035
MAX15059B 0.193 0.2 0.207
Power-Supply Rejection Ratio
(DI_MOUT/I_MOUT)/DV_BIAS,
MAX15059A 35
PSRR V_BIAS = 10V to 76V and I_APD
= 5FA to 1mA (Note 3)
MAX15059B 35
300 610
ppm/V
300 700
APD Input Current Limit
ILIM_APD
4
4.6
5.2
mA
Current-Limit Adjustment Range
9.75kI R RLIM R 0
0.9
5.2
mA
Power-Up Settling Time
IMOUT settles to within 0.1%, _{IAPD = 500nA}
7.5
ms
t_S
10nF connected from APD to
ground
IAPD = 2.5mA
90
Fs
LOGIC I/O
SHDN Input Voltage Low
SHDN Input Voltage High
ILIM Output Voltage Low
ILIM Output Leakage Current
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
VIL
VIH
VOL ILIM = 2mA
IOH T_A = +25NC
Temperature rising
0.8
V
2.1
V
0.1
V
1
FA
+150
NC
15
NC
Note 2: All MIN/MAX parameters are tested at T_A = +25NC. Limits overtemperature are guaranteed by design.
Note 3: Guaranteed by design and not production tested.
_______________________________________________________________________________________   3