PE99153 Datasheet, PDF (2/15 Pages) Peregrine Semiconductor – Radiation Hardened UltraCMOS Monolithic Point-of-Load Synchronous Buck Regulator with Integrated Switches

PE99153
Product Specification
Table 2. Electrical Specifications
Case Temp (T_c) = -55 to +125°C, V_IN = 4.6 - 6.0V, V_OUT = 1.0 - 3.6V (except as noted)
Parameter
Condition
Min
Typ
Max
Synchronous Frequency Range,
Fsw_range
Maximum Cycle-Averaged RMS
Output Current, Imax
0.1
5
6
Supply Current (Shutdown), IDDSD
Supply Current (No-load, 1 MHz
async), IDD0
SDb = GND, V_IN = 5.5V
SDb = GND, V_IN = 6.0V
2
6
0
9.5
55
High Side On Resistance, Ron,hss Test current = 100 mA
50
105
Low Side On Resistance, Ron,lss
Test current = 100 mA
50
110
Output Voltage
V_IN = 5.0V, I_OUT = Imax/2, -40≤ Tj ≤ +85°C, Fsw = 100 kHz - 1 MHz
-1.00
0
Reference Voltage Accuracy, Vref
V_IN = 5.0V, I_OUT = Imax/2, Fsw = 100 kHz - 1 MHz @ Post Rad 25°C
-1.50
0
V_IN = 5.0V, I_OUT = Imax/2, -55≤ Tj ≤ +125°C, Fsw = 100 kHz - 1 MHz
-1.50
0
Reference Voltage Line Regulation,
Kvi (steady state)
4.6V ≤ V_IN ≤ 6.0V, I_OUT = 3A, V_OUT = 2.5V, Fsw = 1 MHz
-0.20
0
1.00
1.50
1.50
0.20
Reference Voltage Load Regulation,
Kvo (steady state)
V_IN = 5.0V, 500 mA ≤ I_OUT ≤ 3A, V_OUT = 2.5V, Fsw = 1 MHz
-0.25
0
0.25
Internal Oscillator and SYNC Capture
Internal Oscillator Frequency,
FOSC_FREQ
Internal Oscillator Duty Cycle,
FOSC_DC
SYNC = GND
SYNC = Open or V_IN
336
550
690
0.740 1.10
1.31
46
54
Min SYNC Lock Capture Frequency,
40
External Sync Duty Cycle, SYNC_DC
40
60
Current Limiting and Current Mode Control Loop
Internal Current Limit Max, ILIMXINT V_OUT = 1.0V, ISET = 3.0V, ICOMP = 0V, RSEL pin shorted to ground,
6
Externally Set Max Current Limit
Accuracy, ILIMXEXT
V_OUT = 1.0V, RSET = 82ohms, ISET = 3.0V, ICOMP = 0V, RSEL = V_IN,
not min-on-time limited. Fsw = 500 kHz
6
8
9.5
8
9.5
Maximum voltage across R_SET,
1.35
1.55
1.80
I_out/I_rset, G_Iref
ICOMP cap, CICOMP
Current compensation gain, ICOMP
I_OUT set for 50% rated current
350
450
550
110
4.3
6.5
8.7
Unit
MHz
A
mA
mA
mA
mΩ
mΩ
%
%
%
%
%
kHz
MHz
%
kHz
%
A
A
V
A/A
pF
A/V
©2010-2013 Peregrine Semiconductor Corp. All rights reserved.
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Document No. DOC-29414-2 │ UltraCMOS^® Power Management Solutions