PE99155 Datasheet, PDF (3/15 Pages) Peregrine Semiconductor – Radiation Hardened UltraCMOS Monolithic Point-of-Load Synchronous Buck Regulator with Integrated Switches

PE99155
Product Specification
Table 2. Electrical Specifications (Continued)
Case Temp (T_C) = -55 to +125°C, V_IN = 4.6 - 6.0V, V_OUT = 1.0 - 3.6V (except as noted)
PGOOD
PGOOD Threshold
EAINM entering PGOOD window (% of Vref)
EAINM exiting PGOOD window (% of Vref)
104
110
117.5
%
84
90
96
%
PGOOD hysteresis
PGOOD low sink current, PGOOD I_OL
EAINM_UP (% of Vref)
EAINM_LO (% of Vref)
V_PGOOD = 0.4V
2
%
2
%
4
8
mA
PGOOD high leakage current, PGOOD I_OH
PGOOD Deglitch Time
V_PGOOD = V_IN
10
20
uA
64
SYNCOb
cycles
Error Amp
EAINM leakage
Measured at 1V input
0.2
µA
EAINP leakage
Measured at 1V input
0.2
µA
EAOUT Source Current
EAOUT Sink Current
Measured at 1V input
Measured at 1V input
-425
-330
-230
µA
125
200
270
µA
Error Amplifier Transconductance
EAOUT = 1.5 VDC
0.2
1.3
2.25
mS
Error Amplifier Output Resistance
4
6.5
10
MΩ
EA Input offset
1 MHz internal
-6
3.5
6
mV
Under-voltage Lockout
V_IN Rising
3.68
4.2
4.44
V
Under-voltage Lockout
Under-voltage Lockout Hysteresis
V_IN Rising (100 Krad Post Rad, Tc = 25°C)
V_IN Falling
V_IN Falling (100 Krad Post Rad , Tc = 25°C)
4.59
V
3.4
3.8
4.1
V
4.2
V
400
mV
Soft Start
SS pin pull-up Resistance
V_SScap = 0V
1.2
MΩ
Internal SSCAP
16
pF
Vref Track, V_SScap - Vref_ext
V_SScap = 0.5V
-145
0
145
mV
DC Characteristics
SDb turn-on threshold
SYNCOb low sink current, SYNCOb I_OL
SYNCOb high leakage current, SYNCOb I_OH
SYNC VIH
V_IH
V_IL
V_SYNCOb = 0.4
V_SYNCOb = V_IN
2.2
V
1.25
V
4
8
mA
10
20
µA
2.2
V
SYNC VIL
HSS Leakage
LSS Leakage
1.25
V
V_OUT = V_SDb = 0V
-1.6
-0.05
mA
V_OUT = V_SDb = 0V (100 Krad Post Rad, Tc = 25°C) -4.0
mA
V_OUT = V_IN, V_SDb = 0V
0.6
3.0
mA
Thermal
Theta_JC
Document No. 70-0307-07 │ www.psemi.com
Junction to back side paddle
2.8
°C/W
©2011-2012 Peregrine Semiconductor Corp. All rights reserved.
Page 3 of 15